Blown Engine--Broken Rod ! Autopsy 3.6 Pentastar Ram Jeep Chrysler

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  • čas přidán 23. 10. 2023
  • Not long ago we looked at this engine to diagnose a misfire on cold start. Low compression was found on cylinder 3 and it had a light misfire. The van returned with broken connecting rod, holes in the engine block.as well as evidence that all four valves made contact with the piston which also broke in half in the cylinder. The head has to be removed to find out more!
    Towed back in! Something Very Bad Happened! Pentastar 3.6 Hole in Block! Chrysler Jeep Ram 3.6 • Towed back in! Somethi...
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Komentáře • 1K

  • @I_Do_Cars
    @I_Do_Cars Před 7 měsíci +171

    LOL. You'll have that on those Chrysler jobs. Oh who am I kidding, people can and will blow up anything!
    Great video Ray.

    • @damonens9478
      @damonens9478 Před 7 měsíci +1

      Seems to be more Chrysler issues then anything 😂

    • @ltdees2362
      @ltdees2362 Před 7 měsíci +3

      I thoroughly enjoyed this Ray, watched every minute .. the engineering into these engines warps my brain .. and that one brain cell tells me they needed couple more chains 🤣

    • @kevincurry4735
      @kevincurry4735 Před 7 měsíci +5

      Ray you will need to name your pry bar. Eric has Blue.

    • @jeffjankiewicz5100
      @jeffjankiewicz5100 Před 7 měsíci +4

      I was going to say, Did Ray change his name to Eric? Little malice in the combustion palace there. That parts good, then throws it just like you Eric.🤣

    • @jg1093
      @jg1093 Před 7 měsíci +2

      Should have done the collab on this lol

  • @Drekulviin
    @Drekulviin Před 7 měsíci +70

    Ray is clearly feeding gravity today.
    Please take a moment of silence for that poor Silveryrado feeling abandonned and sad.

    • @ltdees2362
      @ltdees2362 Před 7 měsíci +3

      😛 Silverado parts plosion, I noticed as he walked by it 🤣

    • @angelo_giachetti
      @angelo_giachetti Před 7 měsíci +2

      Yeah! I want him working on my car! Dont you?

  • @jde01231
    @jde01231 Před 7 měsíci +25

    A former 2017 Pentastar owner here! I had a misfire in cyl 3 brought it to the dealer as it was under warranty. after 3 failed attempts for them to diag and fix I did a compression test and found it to be lacking. I brought it back again and they found the head gasket had failed and needed to be replaced. Long story short, it was a problem for that year and a lot of engines failed because it was not caught in time, so my guess would be the gasket failed and hydro locked the engine, destroying the piston and rod.

    • @markfabre7682
      @markfabre7682 Před 11 dny +1

      Old-school mechanic could diagnose problems before computers with stethoscope a compression tester, and a fuel pressure gauge.

  • @turboturtle9083
    @turboturtle9083 Před 7 měsíci +68

    Rays ulterior motive for this teardown.......a healthy addition to the spare nut and bolt collection.

    • @BrainDamageBBQ
      @BrainDamageBBQ Před 7 měsíci +5

      Ever try finding Metric hardware at the store? LOL

    • @SomeRustyNuts
      @SomeRustyNuts Před 4 měsíci

      You can never have enough buckets full of hardware 😂

    • @douglasskaalrud6865
      @douglasskaalrud6865 Před 3 měsíci

      ⁠@@SomeRustyNuts. That’s what my dad always said. When he passed away we found endless coffee cans full of them squirreled away.

    • @SomeRustyNuts
      @SomeRustyNuts Před 3 měsíci

      @douglasskaalrud6865 sounds like your dad was a wise man. Sorry to hear he is gone.

  • @NoName-jr2eo
    @NoName-jr2eo Před 7 měsíci +5

    Never ceases to amaze me hoe designers, with gov input for requirements, can take a simple engine and make so complicated with duplicity, wet noodles, fuses for fuses, wiring for wires, controls for controls, emissions for emissions, make it almost impossible for even experienced mechanics to work on much less the average person!!! Now a days you have to go to a shop to get plugs changed when even a novice used to be able to do it in mere minutes!!! Absolutely no sense in it!

  • @billtanguay8905
    @billtanguay8905 Před 7 měsíci +29

    Ray, thanks for the autopsy showing me the inside of my engine. When I am driving the 2011 T&C across the country on vacation, now I will be picturing more clearly how any of those three timing chains or other internal engine parts can fail. This will be like my Halloween nightmare, just going on all year.

    • @BrainDamageBBQ
      @BrainDamageBBQ Před 4 měsíci

      Hey, you clicked the link, I guess you did want to see how the sausage is made. LOL

    • @CindiKn
      @CindiKn Před 4 měsíci +1

      @@BrainDamageBBQor how the sausage is digested.

  • @socram321
    @socram321 Před 7 měsíci +3

    I love how every post now features "Rich Men North of Richmond."

  • @hl8256
    @hl8256 Před 7 měsíci +42

    Ray, your truck is starting to look like my treadmill , a catch all

    • @gvet47
      @gvet47 Před 7 měsíci +2

      This was interesting to see the engine construction but it would seem the truck reassembly would be more important.🤔

    • @eddymahon1503
      @eddymahon1503 Před 7 měsíci

      😂😂

    • @williamfindspeople4341
      @williamfindspeople4341 Před 7 měsíci +3

      Wait until the vines start growing over it. Lol😂😅😊

    • @stevenakn1
      @stevenakn1 Před 7 měsíci

      🤣🤣🤣

    • @roberthackenberg2874
      @roberthackenberg2874 Před 7 měsíci

      😂😂😂

  • @fido139
    @fido139 Před 7 měsíci +6

    I simply cannot BELIEVE you didn't remove that head gasket before poking the piston thru. 😆

  • @elrobo3568
    @elrobo3568 Před 7 měsíci +48

    There is a recall on a lot of those engines as well as several class action law suits. I am involved in one of them now. The problems revolve around the #3 cylinder misfires leading to cracked valves and head replacement. Look up that engine and read about the lawsuits as they are moving forward. Take pictures and keep the parts so that when the suit is settled your customer can get some money back. You are right these engines are self destructing a lot.

    • @gordandcolleenkerr7760
      @gordandcolleenkerr7760 Před 7 měsíci +9

      and most last the life of the vehicle without any problems at all

    • @thejosh0100
      @thejosh0100 Před 7 měsíci +7

      Sometimes shit happens even if you're good about maintenance

    • @mobility63
      @mobility63 Před 7 měsíci +7

      Did the customer opt for a new engine, or just junking the car?

    • @philipershler420
      @philipershler420 Před 7 měsíci +3

      @@mobility63Only The Shadow Knows (if you’re old enough to remember)😮

    • @edifyguy
      @edifyguy Před 7 měsíci +1

      I wondered that, too. It seems like a lot of extra work to pull the engine before junking just for a curiosity autopsy, so I'm guessing the customer opted for a new engine.

  • @lewzero
    @lewzero Před 7 měsíci +179

    I'm guessing it was a leaking fuel injector that was causing the misfire all along, and it filled the cylinder and caused hydrolock. I've seen it before, and both times we were very lucky to get away with blown head gaskets. I'm definitely curious about that #3 injector, because that's what i was guessing the problem was the first time when it reeked of fuel in that cylinder

    • @blackopsrocks
      @blackopsrocks Před 7 měsíci +17

      Id say your right...except the duration isnt correct. The misfire came with some enrichment of the trims but not a full skew. Its florida though, land of big rains, big puddles and casual flooding. Inspecting the air filter would probably tell the tale.

    • @tedma8757
      @tedma8757 Před 7 měsíci +5

      Would this show as low compression? Maybe from fuel washing down the cylinder walls.

    • @lewzero
      @lewzero Před 7 měsíci +8

      I was guessing the low compression was a cracked ring or something from an _almost_ hydrolock situation.
      As far as fuel trim, it's only reactive based off the o2 sensor. The computer has zero feedback from the injector, it just gives it signal to open. Keep in mind there's 5/6ths (or 2/3rds) of the exhaust mixing in to the one bad cylinder

    • @blackopsrocks
      @blackopsrocks Před 7 měsíci +5

      @@lewzero Misinterpretation of what I was saying. The fuel trim data gives you a general idea of compensation even with a light misfire. It appeared in the original video that the injector was operating normally. Not to say it WAS or that it wasnt leaking just that the data he showed really didnt reflect that and neither did the cylinder wall or rest of the engine internals but especially bearing condition was great, not really suggestive of fuel dilution from an injector issue. But again, definitely could have been.

    • @blackopsrocks
      @blackopsrocks Před 7 měsíci +7

      @@tedma8757 depends on the mechanical nature of the injector failure, but I tried to get a good look at the cylinder when he was showing that stuff, looking for piston scuffing and so on, and even bearing wear would indicate fuel dilution, none of which appears to be present. Given the recent weather in Florida, I lean on water ingestion.

  • @Goldie644
    @Goldie644 Před 7 měsíci +3

    Love the Eric-style tossing of saveable parts to the ground 🤣🤣

  • @pjpyenta
    @pjpyenta Před 7 měsíci +4

    end of autopsy... "unfortunately it didn't give us any more information than what we already didn't know." Love it. That's one of the reasons I love watching Ray. What a classic quote! I really enjoyed this breakdown. Thanks Ray!

  • @hot_wheelz
    @hot_wheelz Před 7 měsíci +28

    G'day Ray, good to see you back. Was stating to get a little concerned after no uploads for a couple days.

  • @queensapphire7717
    @queensapphire7717 Před 7 měsíci

    32:04 “You ever see a head gasket come apart like that ?” - Bunny, “Platoon”.

  • @nomebear
    @nomebear Před měsícem

    My neighbor is elderly, and owned a Jeep Rubicon that had 3.6 Pentastar that was trash. An engine that was never driven hard, it had major problems. Donated it to car donation center, it was running, but needing a new engine.

  • @jeremyolson9962
    @jeremyolson9962 Před 7 měsíci +30

    Love the Engine forensics you do Ray. Keep up the great content.

  • @michaelstoliker971
    @michaelstoliker971 Před 7 měsíci +15

    Based on the damage in the head, I would guess that there was a water in the combustion chamber event that hydro-locked the piston and broke a chunk out of the ring land. That piston chunk got between the piston and the head which jammed up the piston further causing the piston to break further and the rod to snap. the rest is just flailing metal.

    • @MikeHawk42O
      @MikeHawk42O Před 7 měsíci +4

      I agree with hydro locked

    • @gcfixitc9283
      @gcfixitc9283 Před 7 měsíci +2

      I also agree with hydro lock

    • @christopherleubner6633
      @christopherleubner6633 Před 5 měsíci +1

      Yup and all caused by the defective water pump gasket shown rather early in the video. That would cause overheating of the block without the sensor indicating a problem since the sensor is in the thermostat housing. This engine has some major design issues 😮

  • @johnmoloney5296
    @johnmoloney5296 Před 7 měsíci +2

    Seriously Ray, Eric is probably looking at this video and thinking....heyyy i could've sold that bit 🤣🤣

  • @robertwright5487
    @robertwright5487 Před 7 měsíci +1

    We had 2 Jeep Wranglers come into the shop with holes in the block. Number 3 or 6, I don't remember. Replaced both engines with new Chrysler 3.6 Pentastar. The Chrysler dealer said no problem. We have these in stock. Chrysler must know that there is a problem to have the dealers stock these things 😂.

  • @dcee2899
    @dcee2899 Před 7 měsíci +12

    Nice teardown, thanks for taking the time to do it. Amazing so much damage when all of the bearings look in good condition. Now it just needs a bit of JB weld, reassembling and it's good to go!

  • @charlessmarr7107
    @charlessmarr7107 Před 7 měsíci +6

    Coolant leaked into the oil which caused overheating which blew the head gasket which caused the hydrolock. It all started from a bad O ring on the water pump. Great video!

    • @chetmyers7041
      @chetmyers7041 Před 6 měsíci

      Jiffy Lube technician overfilled the blinker fluid reservoir which led to hydro-lock.

  • @keithy4129
    @keithy4129 Před 2 měsíci +1

    What’s crazy is it’s decently built, 6 bolt mains, fractured rods (same tech Yamaha uses on sport bikes rods). Even has oil squirters lol

  • @robertyork386
    @robertyork386 Před 7 měsíci +1

    "With grace and finesse, Ray!! You can't pry-bar everything!!" ROFLMFAO
    😂😂😂

  • @caseyjacobs1984
    @caseyjacobs1984 Před 7 měsíci +4

    Dave finally says hi an we got to see him , an loved the last video where wife unit trolls you with the do le do's 😅

  • @Flies2FLL
    @Flies2FLL Před 7 měsíci +10

    You should use a breaker bar and an impact socket to loosen large bolts, THEN use the impact driver. You'll burn up your driver in short order if you do not...
    Great video!

    • @ronhall9040
      @ronhall9040 Před 7 měsíci +3

      judging from checking out the prices of some of the tools he uses, I'm suspecting he doesnt concern himself much w/the cost of replacement

  • @railfanpat1719
    @railfanpat1719 Před 7 měsíci +2

    The Silverado looking a little sad sitting at the third rack. Can't wait to see more videos of her and back on the road again

  • @startrek133
    @startrek133 Před 7 měsíci +2

    More bolts for Ray to use when welding ..

  • @wernerpd777
    @wernerpd777 Před 7 měsíci +35

    I think your hypothesis is spot on. Liquid must have somehow been ingested into the combustion chamber and since liquids are not very compressible, something else had to give, namely the pistons and connecting rods.

    • @randygreene5977
      @randygreene5977 Před 7 měsíci +5

      I agree. Seen it before.

    • @Stoney3K
      @Stoney3K Před 7 měsíci +4

      It must have happened under heavy load as well. Possibly the water pump pushing a lot of coolant into the cylinder under high RPM, which caused the piston and connecting rod to shatter? If it was a gradual fill of liquid under low load or idle then it would have hydrolocked but just caused a stall.

    • @Rekuzan
      @Rekuzan Před 7 měsíci +4

      I like you put that! Technically speaking, you CAN compress a liquid, but you'd need a large industrial plant with lots of very expensive equipment in order to do.

    • @oldfarthacks
      @oldfarthacks Před 7 měsíci +3

      @@Rekuzan Or a black hole. But those don't normally form inside of Fiat engines.

    • @christopherduke8283
      @christopherduke8283 Před 7 měsíci +2

      We can never have too much prybar action

  • @darkwing4475
    @darkwing4475 Před 7 měsíci +10

    I think that if you had done a leak down test on #3 after discovering that it was low on compression, then that would have given you enough information to determine what caused the final destruction,, bubbles in the cooling system, hissing in the exhaust or intake, would have identified bad valves, or a crack in the head or cylinder, or a leaky head gasket,,, if none of that was evident, then the only thing left would be excess fuel in the cylinder on start up which could have damaged the rod enough to let go later on, great video as always Ray,,, Always enjoy your commentary,, Almost as much as the s**t eating grin you gave us when sitting in the Delorian,, :-)

  • @TSKseattle
    @TSKseattle Před 7 měsíci +2

    Your joy at not having to put it back together is why I starting watching I Do Cars.
    It's sorta Mechanics Porn, getting to just take everything apart to the lowest parts and not have to worry about having put it back together.

  • @ghostrider.13
    @ghostrider.13 Před 7 měsíci +1

    "That's savable" as he pitched that bottom pulley. Lol🤣🤣

  • @dragonmaker1541
    @dragonmaker1541 Před 7 měsíci +13

    When you found a clean piston that screams water. Look real close at the gasket. Its not a huge leak. Im sure it did not take much with aluminum. Would have thought you would see steam out the tail pipe? TY for the autopsy. It was interesting to see just what happened.

    • @johnt.848
      @johnt.848 Před 7 měsíci +1

      Ray failed to closely inspect the gasket and the block which had clear signs of water leakage.

    • @dl33tc0dr6
      @dl33tc0dr6 Před 7 měsíci

      It's Florida. Hard to tell the difference between steam from the tailpipe vs. steam off the gulf or glades. lol.

  • @darthdevious
    @darthdevious Před 7 měsíci +3

    Next week on I Do Cars, watch Eric use up a can of Brake Clean, throw it and shout "Another!"

  • @jefftarwood4594
    @jefftarwood4594 Před 7 měsíci +2

    Every time I see or hear about the current Stellantis lack of quality I can’t help but be sad about how far a once good company (Chrysler) has fallen.

  • @user-ww1yr5fv6x
    @user-ww1yr5fv6x Před 7 měsíci +2

    From across the pond in sunless England, not jealous of your lovely warm sunshine. We love rain that’s why we have so much. 😂 recently subscribed to your channel. Sadly your version of junk vehicles make ours look awesome. I’ve got a 2012 diesel Renault (opal/nissan/vauxhall) with a larger block Nissan engine. Water landed on the injectors and welded the rusty crap into the head. V4 1.9dci 115bhp. My mechanic used a puller slide hammer injector press then trolley jack. The head snapped. But the injectors didn’t. The sort of job you’d love 😂😂 keep clicking. Superb videos mate 👍

  • @davidrobinette3834
    @davidrobinette3834 Před 7 měsíci +5

    Glad to see you back. I love watching Ray and drinking coffee.

  • @meganluke444
    @meganluke444 Před 7 měsíci +24

    Cylinder 3 had low compression. That's evidence of a head gasket leak leading to hydrolock. The rings were good, so that's where the problem came from. Great autopsy!

    • @keysautorepair6038
      @keysautorepair6038 Před 7 měsíci +1

      Could have had an injector fail washing the cylinder causing low compression also.

    • @108gk
      @108gk Před 7 měsíci +8

      The leak wasn't an immediate catastrophic failure. It took a few cycles to steam clean the top of the piston before the hydrolock.
      There's an upside to the disaster. That scrap aluminum can make a lot of beer cans.

    • @Casmige
      @Casmige Před 7 měsíci +2

      A bent rod would’ve led to low compression.

    • @keysautorepair6038
      @keysautorepair6038 Před 7 měsíci +1

      @@Casmige hydro locked would’ve broke the rod immediately therefore the rod wouldn’t have been bent Causing low compression.

    • @jasemurphy4369
      @jasemurphy4369 Před 7 měsíci

      Fuel wash will cause low compression readings ....

  • @MS-fs5xu
    @MS-fs5xu Před 7 měsíci +1

    I needed that water pump!! Noooooo don’t throw it out!!!

  • @TSKseattle
    @TSKseattle Před 7 měsíci

    “Ding fries are done” is a parody tune from and old album “A Very Spastic Christmas”. Billy (who has “problems”) sings the song.

  • @Medic_matt_
    @Medic_matt_ Před 7 měsíci +28

    The contrast between Ray and Eric is striking. Ray pulls the engine apart so unceremoniously 😂

    • @aderi31415
      @aderi31415 Před 7 měsíci +14

      Ray's gonna get an infection if he keeps going from back to front.

    • @joecoleman3069
      @joecoleman3069 Před 7 měsíci +4

      The one thing they do have in common, however, is talking about the mess the teardown is leaving on the floor. 😊😊

    • @module79l28
      @module79l28 Před 7 měsíci +4

      I was expecting to see a comment from Eric pinned but it seems he hasn't watched the video. Yet. 😊

    • @chrishengeveld6117
      @chrishengeveld6117 Před 7 měsíci +4

      Ray doesnt do the "Eric oh nooo.. that doesnt go there. Uh huh. Hmmm. Destruction in the combustion palace:. Thing... Ray needs to catch up. Lmao!

    • @NemoConsequentae
      @NemoConsequentae Před 7 měsíci +5

      To be fair, Ray isn't intending to resell the undamaged parts, so no need to be careful.

  • @bruceinnes3699
    @bruceinnes3699 Před 7 měsíci +13

    Another excellent video Ray! I get a lot of enjoyment from your wrenching, running commentary and content. Keep up the good work!

  • @RayannePrijt
    @RayannePrijt Před 7 měsíci

    Pentastar sound a lot like Pentagram.
    And well, they look like devilish self-destructing engines.

  • @ralphadams4478
    @ralphadams4478 Před 7 měsíci +2

    Seeing how this is your first offical teardown on you tube take blown rod n piston n tack weld together for a display in office make a wood back ground n put on office wall....and use a breaker bar to bust bolts to keep extra w e AR from happening to your impacts

  • @DHS956
    @DHS956 Před 7 měsíci +3

    I had an engine that blew because of lack of oil but I never seen something like this before nice job Ray

  • @bobniehaus5053
    @bobniehaus5053 Před 7 měsíci +4

    I really like these forensic videos! Thanks for doing them. Rainman Quincy, Engine Examiner.

  • @neilward9932
    @neilward9932 Před 7 měsíci +1

    Reminds me of when I was young, out on the town, at the end of the night, piston broke !

  • @Scoopstyle69
    @Scoopstyle69 Před 7 měsíci +1

    I kept waiting to hear "Oh Blue!" 😂

  • @tmackinator
    @tmackinator Před 7 měsíci +25

    That was almost surely due to hydro lock. That would also explain the misfire as coolant entered the cylinder.

  • @edbaker1016
    @edbaker1016 Před 7 měsíci +16

    nice change of pace. the autopsy was quite informative, keep up the good work, and, it wasn't too long!

  • @johnhagen313
    @johnhagen313 Před 3 měsíci +1

    Even if you take the cam caps off in wrong order and mix them...they all have indicators stamped into them, telling you both which order and orientation to put them back on again...small insignificant fyi in case you end up salvaging this sorta stuff. 😅

  • @ChrisEngland-yc4wy
    @ChrisEngland-yc4wy Před 7 měsíci

    We know it has equal rights for tools. Every tool must be included in every job!

  • @jackcann360
    @jackcann360 Před 7 měsíci +4

    Looks like Eric has no worries with you as a tear down mechanic

  • @Ryan-wb1zu
    @Ryan-wb1zu Před 7 měsíci +20

    The windage tray is to prevent the crankshaft from foaming the oil(through the circulation of air) which increases oil temperature and makes it easier to burn. Not the oil splash from hitting the crank. There are small engines designed to lubricate this way. Part of the reason not to over fill your oil.

    • @scotthassett2676
      @scotthassett2676 Před 7 měsíci

      Also to keep the Oil near the pickup tube under heavy GEE forces.

    • @Ryan-wb1zu
      @Ryan-wb1zu Před 7 měsíci

      @@scotthassett2676 I work ships so no G forces for me 😞

    • @eldoradoboy
      @eldoradoboy Před 7 měsíci

      small 4 cycle lawnmower engines and the like have an actual Dipper to splash oil on the crank.. it used to be they told you to run only non detergent oils in small engines to prevent foaming.. im niot sure at what size engines switch from passive lubrication to active

    • @BamaRailfan
      @BamaRailfan Před 7 měsíci

      ​@eldoradoboy not sure there is a size. I've seen 14hp splash lubed and 14hp pressure lubed. Maybe that area is the crossover point? Also a lot of small engines, at least Briggs and Stratton, use fins on the governor gear to sling the oil, as I'm sure you are aware. 🙂 I'm not sure if the dipper on the con rod method is used much anymore.

    • @logancarter2134
      @logancarter2134 Před 7 měsíci

      Did y'all hear Anthony Oliver singing in the background when he was removing pistons???

  • @silicon212
    @silicon212 Před 7 měsíci

    The "Ding Fries are Done" was a parody of "Carol of the Bells" done some time around 2002. It featured BK.

  • @davesmith9802
    @davesmith9802 Před 6 měsíci

    That is a crazy amount of screws and bolts in these engines. The 1960 engines weren't so complicated.

  • @igotaction
    @igotaction Před 7 měsíci +8

    Either leaking injector or head gasket caused hydro lock. Fuel will clean it too.

    • @bernardcromarty485
      @bernardcromarty485 Před 7 měsíci

      The misfire suggests to me that it could be unburnt fuel...

    • @Aspie_Geek_UK
      @Aspie_Geek_UK Před 7 měsíci +1

      No real evidence of a leaking head gasket and also the injector leaking enough to cause hydro lock would have destroyed the pressure in the fuel rail and probably stopped the engine before it could lock.... My money is on an external source. After all just before internal carnage ensued, there was a pretty big storm hit Florida and plenty of localised flooding, the customer could have driven through it. It's very possible that a case of bad luck where maybe they were driving through the not deeply flooded road on one side and an idiot in a high truck driving through on the other side washed flood water over the car and straight into the cold air intake. I live here in the UK and have seen this happen several times. Either way, it was an excellent video and a great change of pace from the usual content @RainmanRayRepairs Keep up the excellent work

  • @pud469
    @pud469 Před 7 měsíci +4

    I would have liked to see an more thorough inspection of the deck surface, head surface, and head gasket. You can sometimes see the passage coolant could have taken to get into the cylinder. Though it is usually more obvious from a long term leak.

    • @johnt.848
      @johnt.848 Před 7 měsíci +1

      The block showed clear signs of where the coolant leaked through from the water jacket to the cylinder.

  • @michaelknorr6825
    @michaelknorr6825 Před 7 měsíci

    Because you see a lower end failure, dissecting the upper end for anything but parts is just for fun. When rebuilding an engine. You measure all frictional surgaces, bores and related. With the block damaged like this one, it is a boat anchor.

  • @esunday
    @esunday Před 7 měsíci +1

    Jaysus, such a complicated machine to run a vehicle, going for electric power!

  • @briankeating692
    @briankeating692 Před 7 měsíci +3

    i had a ford 460 cid and blew a rod the same way. it was caused by over reving the engine. you can tell this by the middle of the rod breaking and leaving the crank end still on the crank and the piston end still in the piston

    • @DonaldWells-wk8dc
      @DonaldWells-wk8dc Před 7 měsíci

      Bad engine/abusive owner and try to kill the 'Messenger'...

  • @Volusia1
    @Volusia1 Před 7 měsíci +10

    FYI Ray, the 3.6 Penastar had some issues with design. These engines, the manufacturer in Mexico used a sand casting method to fabricate various parts of the engine. As it turns out, some of that sand was never removed before assembly, and was stuck in coolant passages in the head/block.
    Of course Chrysler/Fiat is keeping quiet and fighting any recalls.

    • @DonaldWells-wk8dc
      @DonaldWells-wk8dc Před 7 měsíci

      Sorta like the earlier timers...flip it over and watch the sand fill up...😊

    • @Chris-bq7nr
      @Chris-bq7nr Před 7 měsíci +1

      Sand casting are related to fabrication method, and have noting related with Design.
      Sand casting is used to cast ALL motor block since you have to create passages for coolant inside them.
      Mexico may cheap out the process, indeed.

    • @Volusia1
      @Volusia1 Před 7 měsíci

      @@Chris-bq7nr sand casting that get cleaned and inspected yes. Not what has gone on though. When you can wash out nearly a cup of fine casting sand from the block heads and radiator that’s an on going problem with shit quality control in my opinion.

    • @Volusia1
      @Volusia1 Před 7 měsíci

      @@tradde11 yours isn’t the first and won’t be the last unfortunately.

    • @Volusia1
      @Volusia1 Před 7 měsíci

      @@tradde11 I believe it will end up a class action suit in the end but you can bet Chrysler will dig in their heels. Kind of like the Denso fuel pump issues that Toyota fought to not recall only to end with millions of all make’s being being recalled. Hell it took me 7 months waiting on pumps for 3 different vehicles sitting here and 13 more waiting with the owners. 3 years of litigation and no one had the bright idea of mass producing replacement fuel pumps.. crazy

  • @nemesismcc
    @nemesismcc Před 7 měsíci +1

    There appears to be a large Silver/grey automobile sat to one side of the workshop, looking a little sad and neglected right now, and pleading to be healed and become complete once more Mr Rainman Sir

  • @phillippop3459
    @phillippop3459 Před 7 měsíci

    Love the music while pulling the rod caps! Got an 11 Journey Pentastar, 150k, cant complain!

  • @alexgonzalez9627
    @alexgonzalez9627 Před 7 měsíci +7

    I wonder if the piston wash was caused by bad fuel injector dumping excess amount of fuel causing hydrolock

    • @map3384
      @map3384 Před 7 měsíci

      He said the piston looked like the carbon boiled away making it look clean. It must have been coolant.

  • @jessieharris1676
    @jessieharris1676 Před 7 měsíci +5

    Windage tray, keeps the pressure from the down stroke of the pistons blowing the oil up and away from the sump, keeping the pump from cavitation.

  • @alanm.4298
    @alanm.4298 Před 2 měsíci

    I don't know why it's so entertaining to watch an autopsy like this... but it certainly is! I probably would have kept more of the parts, stores them for five or ten years, then realized I would never need them and thrown them away! Pack rat syndrome! 😊

  • @markmalikowski4971
    @markmalikowski4971 Před 7 měsíci

    Totally enjoyed the autopsy on the Pentastar, even though it didn't have a smoking gun indeed.

  • @barrysimmons5489
    @barrysimmons5489 Před 7 měsíci +3

    Nice work, thanks for exploring and sharing. Was wondering if there was evidence of any coolant residue in the exhaust ports?
    After replacing both headgaskets on my 4.3, it took some time for the exhaust to clear the tell tale exhaust vapors.
    👍♥️🇺🇸

    • @v12alpine
      @v12alpine Před 7 měsíci +3

      Same thing happened to my jeep 4.0 after a HG job, was still blowing out the exhaust for around 10 minutes, thought for sure I messed something up.

  • @TaranTatsuuchi
    @TaranTatsuuchi Před 7 měsíci +4

    It's better to fix problems and get things working.
    But these autopsy investigation videos are always fun to follow along with.

    • @ckmoore101
      @ckmoore101 Před 7 měsíci

      Agree. Never really liked autopsy videos. I like the resolution of a problem fixed. It scratches the itch of why I watch these types of channels. Autopsy ones, don't scratch that itch.
      Good video otherwise!

  • @Pittaz
    @Pittaz Před 4 měsíci

    No Ray! You need to manually crack the head bolts loose, soo that we can be satisfied by the noiseeeee eeeeeeeee. Thanks for the vid :)

  • @newsnowriversidesgtrock8144
    @newsnowriversidesgtrock8144 Před 7 měsíci

    Love that "Gravity!"

  • @jeffgreenfield7025
    @jeffgreenfield7025 Před 7 měsíci +6

    You can see the oil pressure change on the pentastar with that pump. When cold start they go to high mode, ~80 PSI, you can see it switch to low as the pressure instantly drops to ~30 after a couple minutes. Also at constant throttle, the second you hit 3500RPM they go back to high mode and ive seen max out ~90PSI.

    • @queensapphire7717
      @queensapphire7717 Před 7 měsíci

      Yep, I noticed that with mine. Dry start motors, wish I could “prime” before starting to get a bit of oil in the cylinders.

  • @kristopherhalbmaier2790
    @kristopherhalbmaier2790 Před 7 měsíci +7

    I would like to see Ray's bolt collection. Is it just a bucket to sort through, or an organized container?😊

    • @ronhall9040
      @ronhall9040 Před 7 měsíci +4

      judging by how dis-arrayed his benches, equip and carts always look, I'm bettin' on no sorting..if ya follow Eric O @ South Main Auto, you'll notice Eric is borderline Anal about putting his tools & instruments away as he works ;-)

    • @aldeal3793
      @aldeal3793 Před 6 měsíci

      I just bought a ten drawer used tool box to dump my 3 buckets of nuts and bolts in.

  • @rickscott7350
    @rickscott7350 Před 7 měsíci +2

    yes, morning coffee with Ray, makes for a better day.
    Not a mechanic, so cannot guess on the failure. BUT, it was an interesting video and speculation that I really enjoyed.

  • @RWCOLLEY2000
    @RWCOLLEY2000 Před 7 měsíci

    My son's 2015 dodge journey rt 3.6 broke the same connecting rod and made a hole in the block. Good thing he had a aftermarket warranty, we had records of all of his maintainence from the dealer it took 3 months to get it approved and repaired, they asked if he had driven it through deep water but he had not.

  • @rayclark9643
    @rayclark9643 Před 7 měsíci +10

    No blown head gasket...no coolant in oil right? Possibly a leaking injector. That would also clean the piston and cause it to hydrolock 🧐

  • @andrewmcevans465
    @andrewmcevans465 Před 7 měsíci +25

    Good lordy. The Engineers that designed these cluster ____ engines should all be in padded rooms.

    • @MrSloika
      @MrSloika Před 7 měsíci +2

      It's about profit. Make it as cheap as possible and just good enough to get through the warranty.

    • @sw7366
      @sw7366 Před 7 měsíci +2

      Look at the results. Maybe they are😅

    • @TonicofSonic
      @TonicofSonic Před 7 měsíci +6

      Anyone who buys a dodge/chrystler needs to be in a padded room.

    • @ZSAZSS09
      @ZSAZSS09 Před 7 měsíci +3

      ​@@TonicofSonici've had three Chryslers, a 1980 Dodge Aspen, a 1991 Crysler Stratus, and a 1998 300m, all with different thinngs going wrong. So maybe i need a padded cell? Long story short; never again! 😅

    • @TonicofSonic
      @TonicofSonic Před 7 měsíci +1

      @@ZSAZSS09 TBH I would have credited you with owning them before they were solidified as the unequivocally (IN FAUCI VOICE😅) worst auto brand on the US market.

  • @johnmcalpine8903
    @johnmcalpine8903 Před 7 měsíci

    Fascinating video. Amazing what goes into an engine. Thanks Ray

  • @jynxclover2996
    @jynxclover2996 Před 7 měsíci +1

    and a great day to you as well, Ray

  • @LisaDukes-vp3dy
    @LisaDukes-vp3dy Před 7 měsíci +4

    Just noticed the " Diesel Feature " for the affected cylinder didn't look to aim into the chamber like they did on the other cylinders. Could that be a factor?

    • @jeffreydove821
      @jeffreydove821 Před 7 měsíci +2

      Probably bent when the connecting rod hit it.

    • @garylgoldberg
      @garylgoldberg Před 7 měsíci +2

      I'd bet the rod carnage bent it.

    • @Kandsmerlin
      @Kandsmerlin Před 7 měsíci +1

      TBH... it's difficult to say. The oil squirter might have gotten bent when pieces of the connecting rod were flying around and self-destructing everything.

    • @ChaseLogeman
      @ChaseLogeman Před 7 měsíci

      The oil squirter probably got beat into submission and slapped into a different location when the piston rod was flailing.

  • @deanowens5539
    @deanowens5539 Před 7 měsíci +5

    Wow. Was worried about you Ray. Glad you’re back.

    • @sw7366
      @sw7366 Před 7 měsíci +1

      I was hoping he was just too busy keeping life going.
      And he's back!

  • @brianpagemodeltrains
    @brianpagemodeltrains Před 7 měsíci +2

    Sweet autopsy, Ray! Enjoyed it.

  • @tonybarkdull1199
    @tonybarkdull1199 Před 7 měsíci

    Love the disassembly and narrative. Thanks

  • @mikep3509
    @mikep3509 Před 7 měsíci +3

    I was curious if the owner blamed you for this failure. Did they donate the car to you after destruction?

  • @dsockt
    @dsockt Před 7 měsíci +3

    Is it just me or is the highest quality available on this video 240p ?

    • @jilbertb
      @jilbertb Před 7 měsíci

      Just you!

    • @fools_opinions
      @fools_opinions Před 7 měsíci

      It was for me but now it's showing the full selection of quality choices.

    • @deplorablelibertarian
      @deplorablelibertarian Před 7 měsíci

      It might be your Internet, I'm showing 720.

    • @johnhpalmer6098
      @johnhpalmer6098 Před 7 měsíci +1

      Likely you got to it so early that it had not processed the higher res video yet. YT always starts with SD resolutions, then HD resolutions before it's all done.

    • @IFIXCASTLES
      @IFIXCASTLES Před 7 měsíci

      ​@@deplorablelibertarian1080 here

  • @pyro323
    @pyro323 Před 7 měsíci +2

    That Pentastar went supernova...I'm here all day!

    • @jilbertb
      @jilbertb Před 7 měsíci +1

      It's a deathstar motor! 😂

    • @pyro323
      @pyro323 Před 7 měsíci +1

      @@jilbertb Good one!

  • @InBrz
    @InBrz Před 5 měsíci

    VERY complicated engine, impressed
    Probably tons of them in the junkyard cheap

  • @Mr_Meowingtons
    @Mr_Meowingtons Před 7 měsíci +4

    ok so never buy a car / van with a 3.6 Pentastar

    • @boelensds
      @boelensds Před 7 měsíci

      buy new and trade in at 30.000 miles for other one.

    • @jilbertb
      @jilbertb Před 7 měsíci

      Unless it already got the FREE new motor, you're OK.

  • @tombradley4842
    @tombradley4842 Před 7 měsíci +2

    We in Britain we call them gudgeon pins 🇬🇧👍

  • @robertprice7246
    @robertprice7246 Před 7 měsíci

    "Ding fries are done", Family Man episode, sung to the tune "Carol of the Bells '

  • @philiprowe2147
    @philiprowe2147 Před 7 měsíci +1

    SOOO Many BOLTS for the collection!!!!

  • @socialisttrafficregulator2015

    Take the engine completely apart to get at the water pump. Gotta LOVE New tech.

  • @williamfindspeople4341
    @williamfindspeople4341 Před 7 měsíci

    Super interesting and informative video, outstanding Ray!

  • @patrickgoodwin3085
    @patrickgoodwin3085 Před 7 měsíci +1

    Fantastic video. Really enjoyed this.

  • @borntolate1
    @borntolate1 Před 5 měsíci

    Good video Ray and most enjoyable , thanks for your time to show us just how its done .

  • @OldBastardOnaHarley
    @OldBastardOnaHarley Před 7 měsíci +2

    I agree with hydrolock on #3.
    The way the conrod was twisted, and no damage to the valves.
    Hey, can ya put all the serviceable junk in a box, and see if a parts jobber will give ya $100 for it? There's $4-500 worth of good parts there. Cams, heads, valvetrain, timing cover. If not, blast furnace.

  • @ivanb.9750
    @ivanb.9750 Před 7 měsíci

    Do you ever get mad Ray? I just love your voice guidance. All best from Croatia :)

  • @queensapphire7717
    @queensapphire7717 Před 7 měsíci +1

    I think FCA, Stellantis or whatever they call themselves now, they are FIAT, in my eyes, they had leftover sand from casting, which was a big problem with some of the early 2012-2014 3.6 Pentastar motors, which clogged up radiators and heating cores, and caused overheating issues. In addition, the oil filter housing assembly fails in just about everyone of them, due to being a piece of crap plastic unit that gets brittle or breaks from tightening the oil filter cap a bit too much. They say an improved “A” unit is available, which was put in mine, a 2016 Wrangler, had a rear main seal and oil filter housing fail at 40k miles when we had a cold blast here in Dec 2022, so much for a “capable” vehicle. I have not heard of the JLs, with 3.6 motors having the same issue, although I see many of the JLs equipped with the 2.0 Turbo 4 cylinder, which I would never opt for. My 2010 Rubicon with the 3.8 is a much better motor, although a bit underpowered, but it’s a JK, not a JKU, so the lower weight is fine with the 3.8. it’s not made of plastic like the 3.6. They should have kept that workhorse 4.0 inline 6, which was the best motor ever. Dorman and Mishimoto make aluminum oil filter housings, which I will opt for if it fails again. I also had a ‘91 Wrangler with the 4.0, and although not rated as high as the 3.6 for HP and Torque, it felt much more “torky”, especially at low rpms.
    A big problem is people gotta change that oil, no more, than every 5000 miles, 3-4K miles if mostly short trips, and use a good synthetic. Don’t believe this “good for 1 year” or “Every 15k miles”, which is simply another lie for “Planned Obsolescence”, where you will have catastrophic failure, like here, when you are no longer warrantied.
    If I could find a low mileage 2006 Wrangler Rubicon with a manual transmission that is not “rusted out”, that would be my dream, but I opted for a low mileage 2010 Rubicon, 58k miles, in pristine condition, the 3.8, but gotta make some compromises.

  • @joeyk5658
    @joeyk5658 Před 7 měsíci

    Ray i hope you know i get genuinely excited when i see a new post from you i love your vids not only informational but also very funny much love❤️❤️❤️