P0018 After Timing Job?? -Part2
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- čas přidán 6. 09. 2024
- Let's do a bit of research and make a FINAL CALL on this 2009 Chevy Traverse throwing a P0018 trouble code with all new timing parts.
I call the owner and he confirms that my suspicions are correct :)
Were YOUR suspicions correct?
PICOSCOPE WAVEFORMS:
drive.google.c...
PICOSCOPE FREE SOFTWARE:
www.picoauto.c...
Enjoy!
Ivan
You absolute legend, the sign of a true mechanic.
Technician *
Ivan the Sherlock Holmes of automotive diagnostics, this is why I watch
Between Ivan, Eric O, and Paul Danner, these guys cover it all! I'm ALWAYS learning new tricks and techniques from these guys, from the comfort of my LazyBoy!
Key learning point for the customer, ALWAYS check that your replacement part matches what is being replaced!
now you know to check what the customer put in, so u don't have to go through this trouble again.
And that 3 chain GM V6 is no easy task to do. It's recommended to remove the engine. I heard GM in last 3.6 engines switched to a 1 chain design
You all probably dont care at all but does anybody know a method to log back into an Instagram account..?
I stupidly lost the account password. I appreciate any tips you can offer me!
@Harper Ira Instablaster :)
@Derek Juelz I really appreciate your reply. I found the site through google and Im in the hacking process now.
Takes a while so I will get back to you later when my account password hopefully is recovered.
This is your most impressive diagnosis yet! We wouldn't hold it against you if you stood at the end of a successful diagnosis and took a deep bow to the camera, with some computer generated applause.
Ivan, you are an automotive wizard. Truly are.
Love it.. do the the diagnosis, not just start replacing parts. Excellent work Ivan!
The most remarkable part to me is resisting the urge to tear it apart. Big lesson here.
Learning never ends.
A great demonstration for the need to purchase certain parts from the dealer and verify that the parts are the same and correct. The diagnosis was absolutely STELLAR ! BRAVO !
Thank you Carl! Definitely right on verifying correct parts before beginning the job :)
That was some awesome diagnostic skills! Its great you always go the extra mile for your customers.
It's an absolute pleasure to watch a gifted and honest diagnostic specialist at work. God Bless you Ivan 👍
I am having P0019 issues with a Ford 3.5 Eco Boost and was disappointment to find your only video on that engine was a spark plug change. To my surprise, this Chevy diag is completely applicable to my Ford issues. Only difference is the phaser in my case was incorrectly installed (by me) and not the wrong part. So now I get to invest another 9 hours cleaning up my own mess, and am grateful that no damage occurred to this interference engine.
Thanks for the quality videos and sharing your talent Ivan, much appreciated.
Brilliant diagnosis. Nice job Ivan, but we all know what we really come for... The TEARDOWN
That's definitely what *I* came for! I always want to know that the root cause is, plus I like taking things apart to see how they work. It helps to have a curious mind, I guess. ;-)
Be a while, assuming customer lets Ivan know if it was the problem.
Wish I was smart as you lol. I just fixed parasite draw on 2003 Toyota Camry v6. So darn easy 🤣. Complaint was car die next day. Customer put new battery and die again lol. She told me It been in wreck before. Rear end accident. Trunk doesn’t close properly. I checked.Trunk lid actuator was stuck or doesn’t latch it. Unplugged. Booms. fixed. Went mA537 to mA0.009. No aftermarket junk on this car. Bunch of dudes saying it’s the alternator 🙄. I saved my customer a lot of money. Great video as always. Learned a lot from you.
Yah on Toyota's if you're battery ever goes dead that's the first thing you should check how did she not noticed the door open light.
@@neilmurphy845 there no door light . Which it weird. It should be on but there nothing on dash. Well, just check engine light and brake light.
@@neilmurphy845 plus it got wiring problems. There been cut and missing so that car need a lot of work.
@@TheCrazy243 Omg that poor car she's lucky her battery at the front of the car where her back lights working ok.
@@TheCrazy243 Hope her brakes we're ok
Videos like these are the reason why I keep coming back here. These videos are fantastic! Thank you for uploading these!
My pleasure, Josh!
I finally bought myself a scope for a problem similar to this on a GM 3.5L 5 cyl. Also new timing components. This had only one phaser, so not as complicated. Problem turned out to be oil pressure related. Fully hot and coming to an idle, the phaser's pin would not go into its lock position, it just freewheeled, causing a stall. Adding a oil thickener made the problem less severe, but was still there. Having a scope to see what is happening in real time is amazing, as long as you know what you are seeing! Ivan, you are an automotive god!
This was awesome, nice job! You are like an automotive Sherlock Holmes and never cease to amaze!
Ivan shows that a Picoscope is nothing without the knowledge to use it! Great find without actually undoing any parts!
Impressive diagnosis and case study. Saving and using old wave forms comes in handy.
Nicely sorted Ivan . Have to be very careful when doing the timing . One little part not correct puts everything off 👍👍👍
Wow. I would've had to take it apart to diagnose that. I need to level up.
The PicoScope is awesome to see everything without getting your hands dirty :)
Great case study. Always wondered how those phasers worked. You can definitely see how it’s really more important on today’s cars to have clean oil.
Great diag just at the right Time! I'm working on a 2009 Saturn outlook with the 3.6, vehicle came in not running for over a year and no codes because the battery was dead for almost the same amount of time, I did as many test as I could i.e relative compression, low side fuel pressure, and spark I noticed that the high side fuel pressure was only reaching about 72psi which was the same as the low side, I installed a new high pressure pump and got it to run but only above 1200 rpms it would not idle plus it was backfiring thru the intake and misfiring on cylinders 2,4, and 6 bank two was not contributing at all. Scan data was giving me p0116, p0118 and p0119 plus misfire codes on bank 2, put the pico scope on it and found that it was out of time more than likely timing chain issue right? Customer gave the go ahead to do the chains, pulled engine, removed timing cover, rotated engine to verify timiming marks what seemed like two dozen revolutions it appeared to be one tooth off on bank 2 at the idler sprocket. I installed new chains and tensioner but not phasers, put everything back together and it still ran the same way :( At this point I was ready to pull it back down and install phasers at no labor cost to the customer only the parts. I backed away for a couple of days to work on other vehicles and think about this one. I decided to try and gather more information off of my scan and the Internet iatn, indentafix etc. Couldn't really find anything under Saturn or chevy traverse all my scan data was showing OK on the circuits and 0 on the cam timing. After watching part 1 of this video is decided to see if I could accuate the cam phasers at 1200 rpms because it would not idle still, luckily the verus would do the test at 1100 rpms, I found no movement on the three cams that were setting correlation codes because the were already what looked like full advanced according to my waveforms, then tried to bi directionally control, KOEO the solenoids, no control I decided to check circuit integrity and saw my noid light shining brightly found pcm was internally bad, I left the solenoids unplugged, started engine and it ran smooth at idle! Sorry this was a long one but this one was a real head scratcher , I want my customer to watch part 2 so he can see how the phasers work. Thank you once again!
Excellent diagnostics! So the PCM was keeping the solenoids energized all the time? The scope shows everything :)
Great write up!
@@PineHollowAutoDiagnostics yes it was , I disconnected the pcm and the noid light went out
@@throttletherapy9998 thanks for your story. So you used noid lights at your oil solenoids for each cam??? Thanks in advance for your reply.
@@Thunderroad8517 yes that is correct, I installed new pcm this afternoon, but before I plugged in the solenoids I wanted to see if the noid would light up, key on engine off they did but very dimly, I reconnected all solenoids, started engine and the vehicle purrs like a kitten!
I'm pretty sure the service data has the instructions oddly backwards. I'm not 100% sure. But I remember that the instructions say that the left side of the engine is being labeled left as if you were looking at the engine from the rear. So left and right are labeled as if you were looking at the engine from the back. Which, again, is unique to this engine. Nobody labels their instructions like that. Point being that it can be confusing.
New labeling needed besides L and R. Dvr and pax (which is what I say & write)? In aviation I always say: capt and FO. I've seen this L/R dichotomy cause so many problems, not just in aircraft or auto maintenance but also when driving or particularly teaching flying.
Did the customer never tell you that he replaced them, I might of missed it. Ivan pickup your phone its Elon trying to call you. Someday we will all be able to say....We knew him when he just had a You Tube Channel. Big Big things ahead in your future young man. Chief Engineer at the Lunar Base Station maybe, or Mars Base Station. You have a natural Gift, and we need to exploit this, for the good of mankind.
I don't know about chief engineer, but I have been thinking his diagnosis capabilities will be increasingly important as more cars become electric. He will be able to name his price as diagnostics trainer if he manages to acclimate.
Thanks for the motivating words, Charles! :)
It’s a Chevy not the space shuttle as Taryl Dactal says
They are looking for volunteers to go to Mars , all expenses paid . ONE WAY !
@@PineHollowAutoDiagnostics If not a "gift", it's a natural talent. (and a boatload of education)
Cam phasers are mighty resilient things, I own a 2011 Kia carnival, I think you call them Sedona. One of my phasers has been rattling on startup for about 4 years now. The car runs great after that, no codes, no power loss. I am a mechanic myself so thats why I haven't fixed it and the economics of it.
I kept trying to guess what that sound on cold startup was. Interesting.
I tried Mobil 1 Full synthetic & rattling noise on start up completely disappeared. Good semi-synthetic oil did not do the trick. This was a 1.8 Ecotec (also famous for rattling cam phasers on start up are also a problem)
Got this issue with my Subaru Tribeca, P0016 & P0016. Valve oil solenoids replaced, CEL back after 30 miles.
Your tools are way more advanced than mine, I'm not a mechanic by trade.
Not familiar with the current HP lineup, but I hope that's a Probook at least... you'll be nobody's _Envy_ with their consumer crap.
Great diagnosis again... I love automotive detective work like this. :)
out of all the 3.6 timing chain jobs i've done, i've never replaced the phaser. (i have seen bad phasers on brand new vehicles, and i know they can go bad.) Usually i verify first or second design and replace the thrust washer and install the new chain kit. I'm wondering if the rattle he was hearing at start up was the timing chain tensioners before they filled up with oil to take out all the slack in the chain. you can replace the phaser with out taking the front cover off again, but the tools to do it are so sketchy and the first time i did it, the chain slipped and had to take it all appart anyways, most likely an error on my part. the scope is my weakness, we have one at the dealership but only for nvh, i'm going to invest in my own and practice with it. over the years i've watched you and Eric O use the scope and completly blown away on all the information. I have a snap on vantage pro and have used it from time to time, but the pico seems like a more user friendly tool, especially with the new pico scope out that knows what leads you plugged in. I just invested in my own MDI2 since the shop only has one, and i've been using my autel elite for years which has worked flawlessly but gm decided to force us to use an all in one software for gds2 and sps, si, and history, rpo codes, code scans... which is great in therory but the execution of the software is terrible, so many bugs and with me using a non supported gm scan tool i can't get technical assistance and its never the tool! its the stupid techline connect software!
Awesome comment, never stop learning! The Pico is amazing for sure :)
This is a great example about repairs that involve very little "invasive" activity to another persons property in attempts to diagnose and repair an issue. I'm very sure most shops would have been tearing down the customers engine and messing with vacuum hoses, fittings, electrical, maybe coolant hoses etc. in attempts to find the problem visually before performing Ivan's method. What's worse, once it's torn down and the technician can't determine the fault, then what? Put the parts back together and then run a Pico diagnosis? LOL. I'm sure it has been done that way. This is why there are so many customers looking for decent repair shops, that have daily expensive overhead costs, to take the noodle approach to diagnosis. No invasive tear downs, no collateral damage getting the tear down and reassembly process completed and all that comes with it. Pin pointing the concern first and then going into the best "logical" fault for repair makes the most sense. All it takes is that the technician is trained enough to take this type of methodology and determine the most logical failure. I'm almost sure that out of 10 legit shops, only 3 or 4 of them would have found the left and right phasers are different part numbers. Likely however, a GM dealership would know this and have done a good diagnosis since they work on these engines all day long.
This is one thing to know for the DIY mechanics when buying parts on their own on line such as Rockauto. Spend much time looking at the parts available, from each maker, each part number and any notes written about the part such as "with Auto trans" or "RPO code F41" and so forth. Lots of folks cause their own problems right there in reading about the parts available and ordering them without fully knowing if the webpage is accurate or not. It's worth the trouble to find the GM part numbers first and then going to Rockauto for the price break. This was an honest mistake however, lots of DIY will likely fall into this trap also.
Goes for any oem pn vs web sale.
I have to admit, I mixed up one of these phasers. I put an intake phaser on the exhaust bank 2. Dumb, but lesson learned.
The 3.6l is a little tricky to do chains on. Bank 2 is tough to align the dots properly. Good news is I can now do one of these jobs in about 4 hours.
Wow 4 hours is amazing!
Good Stuff!!! Re: HP. Laptop. Mine nearly 9 years in service and one of the hinges failed.I am still using it but must leave it open at all times.Suggest you minimise opening and closing of yours for maximum length of service!!!Or of course you could repair HP hinge!
Just saw this video. The leading edge of the small finger will line up different in relation to the gear tooth. It will ba a half tooth off between left and right side. Also, depending on the year, some engines have an update thickness of gear spacer on the cam. If you go from a 5 bolt gear to a 4 bolt gear, the spacer is different. The spacer keeps the cam gear in line with the other gears.
Love your channel!
On the phasers, the sprocket is the part that actually wears out. It seems that you can easily replace it. It's a shame you can't just buy the sprocket part of the phaser in case you change the timing chain.
Great diag Ivan. I love watching and learning. Greatly appreciate the time you take to record these interesting repairs. Cheers.
More top CSI action from Pine Hollow. Well sleuthed Ivan!
Level 60 mechanic. Now can wear ATS 8 channel scope. Cheers Ivan.
Ivan, once again your mental and mechanical abilities show through. Thanks for the adventure - was fun.
Very impressed I love the way you think doesn't surprise me the part was wrong and the supplier didn't even list the other phaser. That would have stumped 99.9 percent of mechanics.
Except those paying very close attention to markings who also have a thorough knowledge of the theory of operation of those phasers in relation to intake and exhaust cams? Easy to make a mistake if you're a parts cannon, I guess.
Step one, gm parts only.
Step two, closely inspect those parts before install!
After you did the diagnostics and discovered the problem, I went to the RockAuto website out of curiosity. I found the page where the exhaust phaser and the right intake phaser are listed for "GM genuine" parts. I noticed the part numbers for the parts were the same, except they are off by 2. I entered a search for the part number "in the middle" and guess what pops up? The left intake phaser. It looks like your customer was lead down the path of making his mistake because the Rock Auto parts catalog has a flaw AND he didn't seem to realize this engine has different phasers for the intake cams. Rock Auto might also be wondering why they are selling way more right intake cam sprockets, and no left ones.
Yup exactly haha
That was superb diagnosis and conclusion. Not many mechanics/technicians could diagnose the problem w/o dismantling the engine. Congrats.
I'd imagine that the failure point would be the timing wheel moving on the shaft or the pin potentially breaking. Excellent diagnosis Ivan. Lot's of fun to watch and learn from!
I've had to take subaru ones apart after engine failure as the grinding paste of bearing swarf gets into the vanes and makes it seize up. It's locked into base position by a pin which is pushed to unlock by the oil pressure. Great design
Hi Ivan . Some of your most interesting work is when you tear down the old parts.Never stop doing it because that’s what I do with every thing that I s broken. My guess is the problem my be in a week spring . Or something restricting movement thanks AL .
Great Job !You're the Sleuth of Automotive Diagnostics! No one comes close.
When you said "brand new HP laptop... let's see how long it lasts?" I can tell you my experience. The laptop I'm using right now is a HP DV7-4083cl built in 2010. As of right now is running perfectly beside the fact that the battery is no working anymore but I mean it is expected since is a rechargeable battery that have never been changed. Beside that the fingerprint sensor doesn't work but it is because the computer was originally running on Windows 7 and when I updated it to Windows 10 it didn't have compatibility anymore. But hardware wise I will tell you that those things never break. At least it have been my experience. How ever I never move my computer that much so that might help. It is always usually on the same table.
your forgot to mention the most important tool you used. your noodle!
Best automotive Detective 🕵️♂️
I'm curious to know how much time went into this diagnosis vs how much time you actually charged the customer? It seems many of us technicians put in more time into a diagnosis than we actually charge for. Those of us who deal with multiple makes and models have to learn the system we need to diagnose when we do a diagnosis. I try to factor the system learning out of what I charge the customer. Considering a customer could take their car to a dealer who's technicians should be familiar with particular makes and models. (Don't get me started on dealers or "stealers.") Very professional and excellent diagnosis to be sure sir. thank you for taking even more time to film it so technicians like myself can learn a thing or two.
This was a solid 2-hour diag including the online research.
@@PineHollowAutoDiagnostics hi, just wondering how much did you charge the customer? Cheers Drew
Great Diags. Bigggg 'Ooooops' by the owner. --it happens.
I start my PPG training next month in Lake Wales 👍😎👍
Have fun, IT'S A BLAST!!!!
Ivan is out of this world
Epic as is the habit, Well done Ivan.
Up front; my only experience with an actual cam phasor "autopsy" was Ford 5.4 L but, I've done enough cam phasers replacements to know that there are MANY different modes of failure. I have seen return spring failure (the lock loop actually broke off), lock-pin failure, metal particles blocking the oil passages, and once I even found one (a Dorman) where the pressed-in hub had actually turned in the phasor body. Bottom line: knowing that the phasor is intermittently misbehaving, and given that it should NOT be making that clatter on startup, a bad phasor seems like a good call to me.
Gear location? Maybe wrong part number installed. Yes, I like the way you do the cam timing diagnostics with the Pico, Well done.
Came here because of Todd from UnWrecked. Now I'm a subscriber!
Welcome to the channel!
Ivans the best thing since baseball, hot dogs and apple pie, what a super genius!
Nice work spotting that sprocket and that it was the right and not the left side one some people would have looked a long time to figure those mistakes out i have to say great work Ivan on this one .....
Ivan, THE Sherlock Holmes of auto diagnostics..👍👍
Wow what great detective work. To be honest I was learning towards a aftermarket mistake because it's a dime a dozen. When you pulled up the pics I knew you nailed it. I'm dealing with a braking issue myself with a customers car now. Its kicking my a$$ because I dont see anything wrong. He says its taking longer to stop but it stops on a dime for me. I did a wheel bearing, pads and rotors. After about 3 weeks he said it started taking longer to stop. I thought maybe abs but it's not activating. I have to wash my hands because I dont feel or see anything. I cant fix something I can't duplicate. I even had 3 different people drive it to see if they felt anything.
Weird. Maybe the customer is crazy haha. Check for seized caliper pins?
@@PineHollowAutoDiagnostics OMG, I called the customer yesterday and said I scuffed up the rotors and changed the pads just to see what he says. I asked if he would go for a ride with me to see what's going on and if anything changed. I'm not joking he said the problem was fixed. I did nothing to the van I just said that to see if it was in his head. Obviously I didn't charge him for anything because I did nothing. I didn't even take the tire off. He even called 20 mins ago and said its worked great all day. Keep in mind he said it wasn't Intermitted, it happened every time he stopped. It's been to multiple shops and mine 3 times. I have never had that happen.
Wow, very impressive diagnosis. Most mechanics would not be able to do it.
ill be darned,that is TOP detective work Ivan. thumbs UP
Oh believe me you can put the phaser on wrong. I did on the exhaust phaser on a 2.0 ecotec. Was very hard to get the pin lined up. Looked ok visually but was not on correctly. For Round 2 I used a sharpie to mark the cam and phaser then I could see how far off it was. Moved the cam and it clicked right into place and now runs great.
Excellent video series as always Ivan!...love the in depth scope measurements...and the phaser teardown... worn locking pin spring tension, pin wear, pin bore wear, oil deposits causing actuation and deactivation issues, many things can be a failure overall; especially considering there are four phasing cams, but considering the labor involved with the job...it's just not worth taking a chance on those phasers...👏
Clean every orifice thoroughly when you are in there, critical for the longterm performance and less chance of a return for timing issues IMHO.
Those clocked position differences on the intake phasers always gets um 🙃...it's explained in SI...
Annnnnnnd this - is - why we should buy GM genuine parts from a CERTIFIED vendor and follow the SI...alot of scams out there on all platforms...there is no need to add to the variables, the process of timing it, and theeeeennnn we have to redo a major job like this AGAIN...very costly...😉...in either case...just a thought 😀
When it comes to timing components I prefer to spend the extra money and go to the dealership to get the timing components. There they go by VIN NUMBER and also you get the improved updated if available. That eliminates chances for wrong parts, and also fitment issues even. Just my experience. Plus you have to watch out with aftermarket parts as well. Fitment issues do happen. Like I mentioned before, I've ran into enough headaches over the years(4.6 3v, GM ecotec, and 3.6L as examples) and now I go straight to the dealership for timing components for today's complex engines. When it comes to timing components, not only you have to deal with complexity, there are design improvements, mid year changes, and other aspects a tech may not be aware of. Looking up the parts yourself is like rolling the dice these days. It's better to eliminate as many headaches as possible.
The best tool is not in a toolbox, it`s in your head and you use it well Ivan. Amazing logic. this is why I drive old junk. Just had transmission rebuilt(ouch) after 300,000 miles. Crawled under my 91 C1500 and found a bad trans cooler line. Got a used 700r4 9 months ago, it lost reverse 2 weeks ago and had to have original rebuilt. 1700 bucks at Broadway transmission in Red Lion pa, but 3yr/100,000 mile warranty. Was going to swap it today...nope. New cooler lines ordered, swap will have to wait till I get them.
I bought my Suzuki XL7 in Red Lion, PA back in 2011! Sketchy small car lot haha
Great diagnosis, very in-depth. Go’s to show you watch your parts. Do investigate!!!
Great case study Ivan and indeed according to Tasca Parts the left GM part # is 12684831 which is missing in the parts available from Rockauto. Thanks for this as it's another reason I am going to be getting a Pico for my garage.
You're better then Scooby Doo.... always find the real culprit!
I wonder if it's like the Ford 5.4 phasers where the pins wear on the hole that locks the phasers in place.
*EDIT*
I did a quick dig for the part number for the missing phaser. GM part number & description: 12684831 ACTUATOR,CAMSHAFT POSITION - LH. That does turn up in the Rock Auto catalog as an AC Delco part and it shows pictures verifying an L on the back side. It does also offer aftermarket options. Dorman makes it so you'll have your next case study in no time, Ivan.
Nice job Ivan, Sunday morning is
starting out nice with a video from
you and Eric from South Main Auto!!!
I wish we had scopes 25 years ago
when I was going thru Automotive
School and starting as a GM tech!!!
Competence and determination, a powerful force!
excellent diagnosis as usual Ivan. Thank you for sharing. You are getting dangerously close to 100k subs. congratulations.
Rattle on cold start I would look at oil pressure first. I've seen several where the seal on the oil pan for the pick up tube shrinks and has low pressure on cold start
Great job again Ivan! You are tenacious at getting to the root cause. I have a 2013 Traverse I love learning how they work to KEEP them working. I greatly appreciate your time and dedication.
Ahh, the good old days when you have one cam, one timing chain and two dots on the wheels.
This stuff today, it may be a big ego boost for the designers/engineers...but you can keep it!!!
All this and still, you can't get good mpg. Pass, on all of this f & gm stuff!!!
Most manufacturers use phasers now. Yeah definitely so much more complicated.
Or the even better days of my 69 VW bug, with a cam that interfaces directly with the crankshaft via gears. No timing chain or belt required! :D
Most manufacturers seem to have VVT pretty well figured out. Seems like Ford and GM have most of the problems.
great job ,Ivan.Your skills are matched only by your ability to explain and communicate to THE AVERAGE MECHANIC how to diagnose an issue.I can see 95% of dyi's and make believe mechanics loading the parts canon may times on this one.I think i hear the theme song>>OH OH OH ORILEY AUTO PARTS playing in the background.haha The pico scope payed for itself on this one!!!
Ivan, what a great diag! Very much enjoyed the detective work.
Thanks Brian!
Wow! Amazing find Ivan! Question though...didn't you say that the customer drove it fine for 6 months with no engine light? Wouldn't this problem have surfaced during that time?
I was wondering about this fact also...
I think it was just outside the code setting tolerance, then tripped the code a few months down the road.
Cool case study
and finally catching up to your Florida trip I’ve been wanting to go flying since I first ran across Tucker Gott’s channel a few years ago 🤙😎✌️
Nice! Spring is almost here, would be cool to go flying again :)
Ivan, you are a genius 👍
Ivan i really enjoyed this video. You made look as easy as bernie with the e scope. Excellent
I like the way you dissect problems. And parts. Awesome work. I want to get a pico scope. Man I hope when I do I can read it and maneuver it like you. 👍🏽👍🏽
Amazing job, Ivan you are a master of detail and diagnosis, I need you in Mississippi!
Well done, not every mechanic would have got this.
@Pine Hollow Auto Diagnostics Some call themselves the Car Doctor but Ivan is the Car Brain Surgeon!
Hey Ivan. I think the genuine gm part with the big R on it can be used as a left or right. If you look at the edge of the phasor, @ 12:33, there is a small R and a small L, if you use it as a LEFT, you use the small L as your timing mark and if you use it as a RIGHT,you use the small R as your timing mark.
I think you may have nailed it. Just as Ivan said, manufacturers will always try to duplicate parts. It makes sense looking back on the video, but then, I would have torn the thing apart, nice work by an excellent tech.
Brilliant diag Ivan!Scope and math is the answer!
Ivan you are a truly great to watch thank you so much soon you will be like bernie thompson
Yes, wrong Sprockets could be the Problem. Also Not Using a TIMING LOCKING TOOL WHEN INSTALLING. THESE VARIABLE CAMS HAVE TO BE ALINED CORRECTLY. IN SOME CASES , (YOU NEED A MIRROR TO PUT THE LOCKING PINS IN CORRECTLY).
This guy is a wizard!
Fantastic diagnosis, Ivan. As always 😁
Good old "user error" - I would have looked at all the various parts on Rock and been like, WHY isn't the GM one showing L/R before ordering like the other parts/brands are? Always be sure you're ordering the right parts, or, is it left parts? 😉
As soon as you said the customer put them in I knew it.
I purchased all original GM / ACDelco parts from Rock Auto December 2020... BUT one of the original VVT phasers does not show under the Traverse parts menu. You have to use "Part Number Search" tab to order it, Part number 12684831, the LEFT one. It seems Rock Auto has not fixed this mistake on their database 😔.
Customers always lie, even if by omission. "I ya, now that you mention it ......"
What a great mechanic i love your videos
great video i agree with miles you are the wizard that does the extra mile.
What an awesome diag,you are a master of the craft,thanks for vid keep them coming!
Ivan, you should have been a heart surgeon! ;-)
Great detective work Ivan.
Great diagnosis. But a question for thought. Why did it take so many miles for the code to finally set? Maybe the criteria for the code to be set was within specks till the chains broke in?
I have a 2010 enclave I did chains on. Just started setting p2008 and p20017 after a about 5000miles. Will set code after start, clears and doesn't com back till the next time I drive it.
Used the original tensioners. Cleaned and recompressed the tensioner adjustment mechanism and reinstalled. Thought I made sure the tensioners popped out to get them off the install detent. About the only thing I can think of.
So the snap-on scanner does not show the actual cam position? Just advance/dis-advancement in correlation with the ECM output? Ill have to look back in your other vid.
Thanks again for putting these vids up. Takes a little mystery out of how these VVT systems work.