- **Official 24V 3.6L Engine (oil pump bolt) failure thread**
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    1. Banned
      Join Date
      Nov 24th, 2001
      04-20-2007 12:05 PM #1
      I created this thread for all VW and Audi 3.6L 24V Engine Failures, that seem to be happening to more and more Users here.
      Please post ONLY the following information:
      Production date of Vehicle:
      Failure (if noted by dealer)
      PM me for any other questions, I want this thread to stay clean.

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    3. Banned
      Join Date
      Nov 24th, 2001
      04-20-2007 12:06 PM #2
      Production Date: 09/2006
      Failure: oil pump/timing gear bolt failure
      Mileage on motor ~ 1,800 Miles

      Modified by LSinLV at 9:37 AM 6-11-2007

    4. 04-22-2007 09:13 PM #3
      Production Date: 09/06
      Failure (as noted by dealer):
      High pressure fuel pump seal failure. Caused by overfilled crankcase by factory or dealer. 1000K, no problems since.

      Modified by Firbogs at 5:42 PM 4-22-2007

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    6. Member bostonaudi1's Avatar
      Join Date
      May 13th, 2006
      Charleston, SC
      2003 BMW MSport 540i, 1995 BWM M3
      05-22-2007 02:35 PM #4
      Quote, originally posted by Firbogs »
      Production Date: 09/06
      Failure (as noted by dealer):
      High pressure fuel pump seal failure. Caused by overfilled crankcase by factory or dealer. 1000K, no problems since.

      Modified by Firbogs at 5:42 PM 4-22-2007

      Second on the high pressure fuel pump oil seal failure. Dealer said seal was installed by the factory incorrectly. Failure discovered during 10k service.
      2003 BMW MSport 540i/6
      1995 BMW M3
      PCA HPDE Instructor

    7. Member Northern Dubber's Avatar
      Join Date
      May 11th, 2001
      Quebec City, QC
      05-24-2007 11:07 PM #5
      Quote, originally posted by LSinLV »
      Production Date: 09/2006
      Failure: oil pump/timing gear bolt failure

      Production date : 05/06
      Failure (as noted by dealer) : CEL - Camshaft position sensor (G40) Implausible signal due to intermediate shaft / oil pump bolt failure

    8. 05-26-2007 08:34 PM #6
      Production Date: 11/05
      Failure: Full engine replacement due to oil pump bolt issue.
      VIN - WVWVU73C37E001326

      Modified by dirk747 at 8:04 AM 5-28-2007

    9. 05-27-2007 05:16 PM #7
      Please list VIN numbers for this engine failure so we can have something to research on our cars.

    10. Member fixmy59bug's Avatar
      Join Date
      Apr 9th, 2002
      Henderson, NV
      2015 Passat TDI SE, 1959 Vw Bug
      05-30-2007 04:17 PM #8
      Copied from another 3.6 engine failure thread originally posted by myself:
      A customer had his 3.6 passat towed in because it was running rough and the engine light was flashing. Turns out the timing gear bolt backed out just enough to allow the gear to wobble and shear off 4 teeth. The tech replaced all timing gears, chains, tensioners, and hardware at the QTM's recommendation. So the tech replaces everything and takes it out for a test drive. After coming back from a 20 mile test drive, the the parks the car and notices a *little* smoke coming from under the hood. He pops the hood and the rear of the engine has just caught fire. Apparently the bolt backed out again, cut a hole in the timing cover and the gears and chain were flinging the oil (in a fine mist) right onto the left catalytic convertor.
      Needless to say the engine was replaced with a new engine.
      Ohh Yeah, Did I mention the car had only 4400 miles on it?
      Here is the VIN and date of production of the vehicle that had the engine replaced at my dealership at 4400 miles
      With a production date of 07/14/2006

    11. 05-31-2007 09:01 PM #9
      2007 Passat wagon 4Motion VR6
      Performed gff and found multiple misfires on cylinder 2&3 checked and found low compression on cylinder 2&3. Removed engine and transmission per techline. Disassembled and found intermediate shaft bolt broken causing severe internal engine damage. Contacted vta & Steve ******. Ordered new engine. (Car in shop 15 days)
      Build date September 2006.
      Engine failure 8,804 miles
      Got car back transmission problems 2 days later, fixed (?) Sure for about two more days now back in shop for new transmission. (Details to follow)Don't really want to post vin #. Sister-in-laws car, but I'm the one that took into dealer each time. ( I have 2006 Jetta TDI, with that glorious DMF!)

      Modified by 8606 at 5:03 PM 5-31-2007

    12. Member fixmy59bug's Avatar
      Join Date
      Apr 9th, 2002
      Henderson, NV
      2015 Passat TDI SE, 1959 Vw Bug
      05-31-2007 10:00 PM #10
      Nevermind. Deleted.

    13. 06-05-2007 07:26 PM #11
      damn, i guess they need to go dry sump ?

    14. 06-09-2007 10:15 PM #12
      '07 B6 3.6 wagon. roughly 16k miles
      date of production: ?
      Car was taken to dealer due to solid check engine light (which had appeared the previous day). Simultaneously, it developed a slight new "rushing" noise under acceleration. Finally got it back today.
      The problem as described to me was that one of the bolts securing the oil pump sheared into two pieces, thus causing the oil pump to begin to tilt out of position. This affected the cam timing enough to throw the code (thank goodness). They basically replaced the oil pump and the entire cam drive train, including a new stronger bolt. Pulled head and oil pan to look for any sign of damage to the engine, none found.
      I don't know how often this problem manifests with the cam position sensor code, but perhaps this should be a reinforcement to 3.6 owners to not delay if they see the light come on. I'm convinced that taking it in quickly avoided a full engine replacement in my case.

    15. 06-11-2007 11:59 AM #13
      06 3.6
      Taken to dealer with CEL, sputtering in accelartion most noticable at 2200 Rpm or right before it shifts into 3rd.
      Dealer informed Itermediate sproket bolt sheared and had been sheared for a while. Sprockets floating loosley togther Replaced both chains, timing cover, further problem after repair oil pump failure.
      Might be further problems, Dealer has not been forthcoming with full info found notation on repair sheet from Dealer with VW found aluminum shavings on Oil pump.
      Going back in the dealer for itermediate high RPMS at idle, very hard shifting between 1 and second gear.

    16. 06-12-2007 09:26 PM #14
      Update for everyone, I will edit and post Vin tomorrow at work.
      CEL liht back on today had the car back less than a week. Sputtering and ticking loudly. temp sensor says good but engine smells extremely hot.
      Having it towed to dealer in the morning.
      Updated VIN no idea build date

      Modified by DaveFL at 9:01 AM 6-13-2007

    17. 06-18-2007 11:13 AM #15
      VIN # sent to originator of thread.

    18. 06-26-2007 07:58 PM #16
      Came across this in another thread in the VWVortex Forums. Any possibility that the 3.6L engine failure is linked to the factory in which the car is assembled at?
      I noticed that someone had posted a VIN. Checked it out and it says that the car was manufactured at the Emden, Germany factory. Are the others coming from the same factory?

      Pasted the posting on VIN and determine factory.
      Quote, originally posted by fincher »
      AFIK, if you have an 'M' in your VIN -- somewhere in the middle -- then your Passat was made in Mosel.
      Almost. VIN charater 11 represents the plant location. Mosel is location "P". See below for the entire list, or you can use this handy tool
      A=Ingolstadt, Germany
      B=Brussels, Belgium
      C=Taipei, Taiwan
      D=Bratislava, Slovakia
      E=Emden, Germany
      G=Steyr/Graz, Austria
      H=Hannover, Germany
      J=Jakarta, Indonesia
      K=Karmann, Osnabruck Germany
      L=Leipzig, Germany
      M=Puebla, Mexico
      N=Neckarsulm, Germany
      P=Mosel, Germany
      R=Martorell, Barcelona, Spain
      S=Stuttgart, Germany
      T=Kvasiny, Czech Republic
      U=Uitenhage, South Africa
      V=Palmela, Portugal (Westmoreland, PA, USA before 1988)
      W=Wolfsburg, Germany
      X=Poznan, Poland
      Z=Filler character: No meaning
      1=Gyor, Hungary
      2=Changchun, China
      4=Curitiba, Brazil

    19. 07-05-2007 03:12 AM #17
      I have had 2 different Touregs with the V6 engines. The first one I had bought in Feb. of this year and first road trip the engine blew up, coming back from Salt Lake City Utah. The dealer replaced the vehicle with another Toureg. Just Came Back from Yuma Arizona and lost power and engine light came steady on with 4500 miles on it. Took it to the dealer and they told me it had the same problem as the first one. The dealer told me it was the chain tensioner coming loose in the engine and there is about 600 engines or more out there with this problem.

    20. 07-25-2007 09:23 AM #18
      How widespread is this problem? I might be in the market soon for a new car and I was interested in the 3.6. I mkght have to wait to see how 2008's do or buy something else.

    21. 07-25-2007 12:14 PM #19
      Production date of Vehicle: 1/06
      Failure (if noted by dealer): Did not say, but think timeing chain related. Just said that they were going to replace the engine.
      10,308 miles

      Oil Pressure Failure warning light came on.
      Towed to dealer.

    22. 07-25-2007 07:52 PM #20
      I wouldn't recommend buying a new VW with a 3.6L 24v Engine. This problem with the engines seems to be all over. I plan on trading my toureg in and getting something else. I have had problems with (2) of them, with the 3.6L motor in them. I also just found out a couple of weeks ago that the fuel pumps in the new 2.0 Turbo engines are vapor locking and causing the car to shut off if they get to hot.
      So VW is not doing so well.
      VIN for Touregs are WVGZE77L17D004543

    23. 08-06-2007 09:25 AM #21
      I'll keep it in mind. Although it's good that this thread is not getting any bigger.

    24. Member
      Join Date
      Oct 1st, 2006
      2009 CC Lux 3.6 4motion
      08-08-2007 06:32 PM #22

      Quote, originally posted by gugarci »
      I'll keep it in mind. Although it's good that this thread is not getting any bigger.

      there was another failure reported in the B6 forum. He hasnt posted in here yet.

    25. 08-09-2007 03:09 PM #23
      Update on my 3.6L engine replacement. VW replaced the engine in about a week. Final tests on the replacement engine claimed they heard " a funny noise" and VW of America wanted them to replace the engine again.
      Replaced the second engine, and now determined they needed to order another oil cooler. Will take another week.
      It has had enough days in the shop for the Lemon Law to be in effect.

    26. 08-10-2007 07:43 PM #24
      Update on the 2007 Toureg still in the shop since 7/2/07. Went to pick it up and they scratched the front end up and passenger side headlight. It's getting repainted on the front end, and the passenger side headlight is getting replaced.
      Called Corporate about the situation to get my down payment back from them. The told me to basicly screw off. VW SUCKS!!!!!! BIG TIME WHEN YOU HAVE PROBLEMS WITH THERE CARS.

    27. Member thenew3's Avatar
      Join Date
      Jun 18th, 2006
      Carmel, CA
      2008 Passat 3.6 4motion Wagon, 2007 Passat 2.0t Sedan
      08-15-2007 06:17 PM #25
      Are there any symptoms prior to the engine failing?
      My 3.6 4motion wagon has been making this metal rubbing/whining noise at 30-40mph and 75+ mph on hot days since about 2k miles (now it has 8k) Spent over 3 weeks with the dealer and they can't find anything wrong.
      They said they would get a VWoA rep out here to look at it but it has been nearly 3 months and I haven't gotten a call from them. Contacted VWoA and they said I would be contacted within a week, it's been over 1 month and still no call back.
      2016 BMW X3 sDrive28i Wife
      2013 MB E350 Sport 4Motion Wagon Mine
      2008 Passat 3.6 4Motion Wagon Mine RIP Totaled 4/23/2013
      2007 Passat 2.0t sedan
      2007 Passat 3.6 4Motion Wagon Mine, Lemoned

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