Duramax diesel has a knock

Sdílet
Vložit
  • čas přidán 6. 09. 2024
  • Just bought a 2005 LLY Duramax was told it had a rod knock now l am not so sure. I was getting a P0207 open circuit error. I spliced in a new injector cable cleared the codes. Not getting any errors but the knock is still there. Any help to identify the problem before doing something stupid like changing the motor would be appreciated . I will update when issue is resolved.
  • Krátké a kreslené filmy

Komentáře • 36

  • @williamaurnerjr.7328
    @williamaurnerjr.7328 Před 5 lety +10

    It might be a stuck open injector. Don't necessarily need to replace it, just buy a rebuild kit and see what happens ($500 kit vs $1500 injectors

    • @brenontech
      @brenontech Před 2 lety

      to fix this comment, don’t ever buy body rebuild kits bc they never work. just start with nozzles unless it’s for an lb7. for an lb7, just buy bosch reman/refurb. they can get as cheap as 1k and get you another 100k easy.

  • @pissphungus
    @pissphungus Před 2 lety +1

    shut it down and check for play on the harmonic balancer. might be a broken crank. could also be a injector. or check the blow by when it’s running, it could be a cracked piston.

  • @850.dmax6.6
    @850.dmax6.6 Před rokem +4

    Mine sounded exactly and I mean exactly like this. Found out it was a rod bearing.

  • @TofsrudCubing
    @TofsrudCubing Před 4 lety +6

    Knock knock knock goes the diesel, if you really want to see the beautiful people

  • @thomasbond1190
    @thomasbond1190 Před 3 lety +1

    Just a shoot in the dark but my 03 sounded about the same. Luckily only thing it was fuel pressure regulator. It’s a pain to get to but $40 Amazon part had me back on the road.

  • @oldcroneysgarage9739
    @oldcroneysgarage9739 Před 4 lety +5

    My dads duramax did the same thing.it was injectors. It costed 2500$ to fix it and it took I think a week to fix it. Basically had to tear the top end off the engine to get to where we can fix the injectors.

    • @ryanschaffer5777
      @ryanschaffer5777 Před 4 lety

      That’s because it was a lb7 and probably cost closer to $4k

    • @firsttimediesels6289
      @firsttimediesels6289 Před 3 lety

      This is why I hate a Duramax.... My powerstroke eats an injector I pop a valve cover and then a high pressure oil rail and all the hard shits done...

  • @rebelchevy728
    @rebelchevy728 Před 3 lety +3

    What’s the oil pressure run on that truck when hot?

  • @timothybolden9955
    @timothybolden9955 Před 2 lety +2

    Hey. Did you ever figure out what was the issue?

  • @bobbytifft4976
    @bobbytifft4976 Před 5 lety +1

    any update? mine has the same issue. i think it could be injector related.

  • @b.h.belgarde6802
    @b.h.belgarde6802 Před 3 lety +2

    Mine ended up being a broken push rod

  • @sheen127
    @sheen127 Před 5 lety +1

    Mine ended up being the injector 4,6 on the drivers side. It sounds like the sound is coming from the left side right?

    • @850.dmax6.6
      @850.dmax6.6 Před rokem

      Mine is doing this in driver side. Balance rates are good. And zero engine codes. Could it still be a injector problem?

  • @noahthompson9930
    @noahthompson9930 Před 3 lety

    my 05 sounds the exact same.... did it end up being a bent pushrod or just an injector?

  • @henryhiebert2650
    @henryhiebert2650 Před rokem

    Did you ever find the problem?

  • @justinb498
    @justinb498 Před 10 měsíci

    What did this end up being?

  • @boomsblueranger
    @boomsblueranger Před 3 lety

    Did you ever fix the knock?

  • @henryharrison3988
    @henryharrison3988 Před 3 lety

    Still no updates.???????

  • @thomaslockley945
    @thomaslockley945 Před 2 lety +1

    Bet the crank is broke

  • @hsal781
    @hsal781 Před 4 lety

    Hello, did you find the problem?

  • @rjstroo8841
    @rjstroo8841 Před 2 lety

    I have a 07 lbz that has the same kind of sound 🤷‍♂️

  • @andreapruett8371
    @andreapruett8371 Před 6 měsíci

    Not a engine knock its a fuel knock my dads t dose that

  • @RobertRunion
    @RobertRunion Před 4 měsíci

    That's not an injector bud...

  • @josegarmas6684
    @josegarmas6684 Před 3 lety

    Drive train or injector could be your problem

  • @joshualaprad8527
    @joshualaprad8527 Před 3 lety +1

    Broken crank

  • @dieselindeed
    @dieselindeed Před 6 lety +1

    Did you figure out the problem?

    • @arlissbryant
      @arlissbryant  Před 6 lety +1

      Not yet sent it to a diesel guy who looked at flex plate and valve train ... no diagnostic . He said when he restarted it now sounds like a rattling chain ... still looking for suggestions

    • @anytractorman
      @anytractorman Před 5 lety

      @@arlissbryant did you figure it out, I'm thinking of getting the same truck with 70k that has a knock.

    • @NakedStarInc
      @NakedStarInc Před 5 lety

      @@arlissbryant any update? I have a 05 with the same issue

    • @daveshields7269
      @daveshields7269 Před 4 lety +1

      Hello any up dates with the engine knock my 04 is doing the same thing i had the injectors replaced and it's still knocking. He shuts off number 7 injector and it still knocks.. Thanks

    • @ercysuazo8420
      @ercysuazo8420 Před 2 lety

      @@NakedStarInc did u figure it out

  • @CodyMechanix
    @CodyMechanix Před 3 lety

    That’s duramax for you 🤷‍♂️