Fourtitude.com - Replace timing chain.. right?
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    1. 08-20-2019 09:15 AM #1
      I just purchased a 2007 Touareg with 75k miles from a Salvage auction that looks like it's in decent shape however I am assuming I need to replace the timing chains and all that. I don't know if the oil pump bolt has been replaced and wondering if it could be that.

      It starts and runs and it was idling fine, I revved it up to maybe 2500 RPM and when you let off the throttle it make a horrible loud CLACK sound. It then idles rough. If you rev it gently and let off gently it revs fine. It also seems to go in and out of the rough idle.

      Codes are:
      000870 - Camshaft Position Sensor B Bank 1 (G300)
      P0366 - 004 - Implausible Signal - MIL ON
      000022 - Bank 1: CMP Sensor (G40) / Engine Speed Sensor (G28)
      P0016 - 001 - Incorrect Correlation - MIL ON
      There was also a bunch of misfire codes in there that cleared.

      The only thing that was confusing to me was in measuring block 208/209 there was no values at all under idle stabilization section. No label even. Just totally blank.

      I get the impression my chains must have jumped a tooth. Just wanted to verify before I order all the parts for the timing chain set? Is the best place to get it ECS Tuning? Anything else I should replace when I have it apart? Do most people just pull the engine and leave the transmission in on a Touareg?

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    3. Member G60ING's Avatar
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      08-20-2019 02:53 PM #2
      Yes do your chains ASAP

      For parts, I order my chains and pieces from a couple site to get the most oem branded parts possible.

      I typically try to avoid ECS.

      I would pull the engine, but that’s easier said than done.

    4. 09-02-2019 08:47 AM #3
      Well.. It's out... I'm pretty sure that tensioner is supposed to be 1 piece instead of 2 big pieces and a ton of plastic shrapnel...

      Last edited by snowzach; 09-02-2019 at 08:55 AM.

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    6. 09-02-2019 08:53 AM #4
      I have to replace:
      • Chains and Tensioners
      • High Pressure Fuel Pump Seal
      • Torque Converter Seal
      • Rear Main Seal
      • Valve Cover Seal
      • Fuel Injector Seals


      Anything else I should replace while I'm in there?

      Do I need to remove the oil pan? I am worried about the cover sealing at the bottom if I don't but I don't want to pull it if I don't have to
      Cam adjuster seals?

    7. Member G60ING's Avatar
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      09-02-2019 09:09 AM #5
      Drop the pan to clean the pickup tube screen and the pan.

    8. Member G60ING's Avatar
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      09-02-2019 09:12 AM #6
      If you have a silver 1 piece intake manifold do the PVC diaphragm: https://www.rkxtech.com/products/36-pcv-diaphragm

    9. Member G60ING's Avatar
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      09-02-2019 09:15 AM #7
      Replace that oil pump bolt too

    10. 09-03-2019 08:31 AM #8
      Quote Originally Posted by G60ING View Post
      Replace that oil pump bolt too
      Got the oil pump bolt. I do have the silver manifold so will pick that up also. Thanks!

    11. 09-03-2019 08:04 PM #9
      @G60ING were you able to remove the upper chain without taking out the cam? The chain fit through barely on the exhaust side but the intake side doesn't look like there's enough room?!?!

    12. Member G60ING's Avatar
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      09-08-2019 11:50 AM #10
      Take a cam phaser/cog out

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