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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old February 7th, 2013, 20:04   #31
bboshart
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Quote:
Originally Posted by tdiatlast View Post
We need to compare build dates...were they all from the same production and shipped at the same time to the region?
Everyone reporting build date thus far is 7/12-8/12.
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Old February 7th, 2013, 20:28   #32
767wrench
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I bought mine 05/29/12 and I believe the build date was 30 days prior if i remember correctly. Havent had my car for a few weeks so I cant check right now.
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Old February 7th, 2013, 21:12   #33
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Are any of you guys experiencing the traditional turbo death whine (siren sound) before failure or is it just an instant snap?
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Old February 7th, 2013, 22:28   #34
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Yikes mine has a 7/12 build date
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Old February 8th, 2013, 03:32   #35
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2012 passat, turbo failed about 2 weeks after my 10,000 mi. service..(oil change) failed Jan. 22. In NW Pa. , coldest weather this year, about 5 degrees. The part just came in from Germany...17 days still don't have my car back. An area rep. was actually at the dealership when mine was towed in. He waited around for the verdict on my car, said this was the 5th turbo failure he's seen in his area. This kind of negates all my boasting about great fuel mileage.
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Old February 8th, 2013, 03:37   #36
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No death whine here, just pressed on the accelerator and had nothing.
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Old February 8th, 2013, 05:35   #37
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Quote:
Originally Posted by kilroy View Post
2012 passat, turbo failed about 2 weeks after my 10,000 mi. service..(oil change) failed Jan. 22. In NW Pa. , coldest weather this year, about 5 degrees. The part just came in from Germany...17 days still don't have my car back. An area rep. was actually at the dealership when mine was towed in. He waited around for the verdict on my car, said this was the 5th turbo failure he's seen in his area. This kind of negates all my boasting about great fuel mileage.
Sorry about your car. Could you possibly provide the "requested info" from the original post.

Thanks
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Old February 8th, 2013, 08:39   #38
hellandj
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Talked to dealer today and asked more detail about how my turbo failed. Tech said it was a manufacturing defect and the shaft actually broke. They said they are still waiting for the new turbo to ship from Germany.

Also I asked if they have had any other failures like this they said VoA told them there had been 4 documented failures in the US like this. Also they said Eich motor company in St. Cloud MN had a turbo failure like this.

I sure hope VoA is aware of more than 4. Not sure that's possible with all the orders for turbos from dealers.

Just keeping you guys posted, been without my car for 13 days now

Sent from my Galaxy Nexus
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Old February 8th, 2013, 08:41   #39
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Maybe they mean 4 with snapped shafts, maybe they have old info. It seems that some people are having shaft failures and others are having bearing failures.
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Old February 8th, 2013, 08:44   #40
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Quote:
Originally Posted by VeeDubTDI View Post
Maybe they mean 4 with snapped shafts, maybe they have old info. It seems that some people are having shaft failures and others are having bearing failures.
Good point

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Old February 8th, 2013, 12:26   #41
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Just got a call from my dealer. National back order no ETA. Guess I'm gonna make friends with my local Speedway station for my every 3 day fill ups in my gas loaner Passat.
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Old February 8th, 2013, 12:36   #42
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Could you possibly get a little more info from your dad and answer all the questions in the original post? Thanks
I will get what I can, the dealer still has it, so some details (build date, etc) may not be accessible til he gets it back, but I will fill in everything I can. How do you find out the build date? I will get this once the car is back.

UPDATE: Dealer called today (Saturday 2/9) saying they'd completed repairs and he can pick it up on Monday. He was short on details, but we will try and find out what was actually done to repair it and what failed.



Here is what I have so far, this was my dad's car, but I have owned a number of TDI's over the years (pretty much til my last splurge, a diesel BMW X5), so I'm very familiar with the ones pre-NMS.
  • Miles on car at failure: 4200
  • Build date: (will provide once we get the car back)
  • Corrective actions from dealership: None yet, vehicle was diagnosed with turbo failure, they apparently did a consult or visit by an expert, and as of now we are waiting for a part or new turbo, my dad is not sure which, the dealer hasn't been big on specifics yet, other than that there is a "new part number" for whatever it is they have on order, my dad thinks it was the actual turbo, but we cant be certain. Dealer provided a loaner car immediately thankfully.
  • Outside air temps at failure: 50's.
  • Failure warning signs, if any: none prior to the fail, just sudden engine loss of power, basically the engine shut off and the lights that come on in that situation (i.e. battery light, CEL, etc) came on, but nothing useful. I was following my dad in my car, so I was on site to see what it was doing, which was nothing... totally dead, you could crank the engine but it wouldn't even try to start, acted like there was no fuel.
  • Warning lights on dash/MFI: (see above)
  • Problems since replacement: still in shop, awaiting a "new part number" replacement turbo per the dealer.
  • Repair time: at 3 weeks so far, waiting on a new part or turbo. The dealer did say that his system updated this week and shows it should be arriving any day now.
  • Any dealer divulged info on other incidents involving other failures: none, my dad was subtlely treated like he caused it somehow at first (probably due to the fact that he had a 2012 Passat TDI previously that was bought back by VW due to turbo issues (not the same issue as this one, that one would randomly go limp mode as I recall)), then their tune suddenly changed, probably after they consulted VW and realized it was a more widespread issue.
  • Did the dealership perform all maintenance and on schedule: yes, but not much was due, my dad didn't think any had actually come due yet for the new one.
  • If not dealership, what oil was used/miles on oil:
  • Are you the original owner of the car: yes (my dad is)
  • Did you baby your car or not: no, my dad drives a lot of highway miles at turnpike speeds and probably a bit above, definitely tends to drive in a spirited fashion.
  • Do you interrupt DPF regenerators: not that we know of, my dad simply drove it, I assume doing that involves it being intentional.
  • How long is your daily commute: 30-45 miles each way a few days per week
  • Transmission: automatic

Last edited by TI_Master; February 9th, 2013 at 10:55.
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Old February 8th, 2013, 15:04   #43
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  • Miles on car at failure: 5500
  • Build date: Not sure, bought 9/12. It was delivered straight from factory so probably 8/12.
  • Corrective actions from dealership: They report that it's a blown turbo but haven't take it apart yet to know exact problem. Turbo is on order.
  • Outside air temps at failure: 20-30 F
  • Failure warning signs, if any: A couple of days prior to failure, wife said she could hear a high-pitch whine. She said it sounded like rubbing your finger on the rim of a wet glass. I couldn't hear the noise but my hearing is not as good as her's. When it actually failed, there simply wasn't any turbo boost. There was no smoke or any abnormal noises.
  • Warning lights on dash/MFI: Glow plug light flashed. Then solid engine warning light.
  • Problems since replacement: NA
  • Repair time: Dealer claimed the turbo should arrive on Monday but I have my doubts.
  • Any dealer divulged info on other incidents involving other failures: Dealer says mine is the first NMS turbo failure. I asked if interrupting regeneration could cause premature wear. They claimed that interrupting a regeneration would not cause undue wear. Their TDI service manager expert claimed that engine coolant continues to circulate after shutting the engine off (is the coolant pump actually electric?). He wasn't sure if oil continues to circulate but I doubt it (can't imagine the oil pump being electric). I asked that if I did interrupt a regeneration, if immediately starting the car back up for a minute or so to cool off the turbo would help. They claimed not. (Southtowne Volkswagen, Sandy, UT)
  • Did the dealership perform all maintenance and on schedule: No scheduled service yet.
  • If not dealership, what oil was used/miles on oil: No oil changes yet.
  • Are you the original owner of the car: Yes
  • Did you baby your car or not: Wife is the main driver. She neither babies it nor pushes it.
  • Do you interrupt DPF regenerators: Occasionally. About five times total.
  • How long is your daily commute: 15 miles round trip.
  • Transmission: 6M
I thought the blown turbos were a rare enough occurance that it wouldn't hit me. Guess I got unlucky on this one. Despite the dealer saying that interrupting regenerations wouldn't cause premature turbo wear, me and my wife have decided we're going to be a little more careful about interrupting regenerations. If we absolutely must interrupt the regeneration, we will shut the motor off then immediately start it and let it idle for a minute or so to let the turbo cool off. Does this sound reasonable?
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Old February 8th, 2013, 16:46   #44
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While on this subject does the turbo fall into the drivetrain warranty? I forget what it was 5yrs 60k miles? Does that sound right.
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Old February 8th, 2013, 22:32   #45
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Quote:
Originally Posted by paulk124
Their TDI service manager expert claimed that engine coolant continues to circulate after shutting the engine off (is the coolant pump actually electric?).
For starters, the engine doesn't have an electric coolant pump. But more importantly, the turbo isn't water-cooled, so it wouldn't matter even if it did have an electric pump.

Mr. TDI Service Manager Expert needs to go back to TDI school and do some more studying.
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