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    1. Banner Advertiser Arin@APR's Avatar
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      04-03-2010 03:22 PM #1
      I want to give everyone a heads up. We have seen several water pump failures on the new TSI motor. These failures are occurring on low mileage unmodified TSI's.
      It sounds like a failing idler bearing but the sound is coming from the right side of the motor. If it's failing you will be able to hear it fairly easily. Although this is not a very technical explanation, it does sound like some sort of animal is in the engine.
      To isolate the sound, you can take a long screw driver, place it on the pump housing and hold it to your ear similar to a stethoscope. To get the screwdriver to the pump, you can stick it though the right of the intake manifold between the runner flap actuator and the manifold.
      The dealerships in our area have seen a lot of failures and had lots of new pumps in stock.
      The pumps have been superseded by a new part number with a new bearing: 06H 121 026 AF
      I'll do a photo 'DIY' diagnosis, removal and replacement on the next one we have in house. I'll update this thread if I find a TSB for the issue.
      [IMG]http://*****************.com/smile/emthup.gif[/IMG]

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    3. Member ryan mills's Avatar
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      04-03-2010 04:22 PM #2
      Sounds good. I'll keep an eye on mine, or an ear.

    4. Member Issam Abed's Avatar
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      04-03-2010 07:53 PM #3
      Arin,
      I will upload images of the TSI water pump I have here. This part is NOT easy to change at all.

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    6. Member GTI010H20's Avatar
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      04-03-2010 09:52 PM #4
      Nice heads up Arin. Def a big help. Water pumps on a lot of these chain driven 4's are like 900 just labor sometimes. It's sort of sad to see water pump failures on such a new and nice car. You'd think they would have that covered by now. I wonder who is making these pumps in the first place or if they just had a batch of bad bearings go out at the factory. I sell Bosch pumps wear I work so who knows. Just as long as VW corrects it, covers it, learns from it, and moves forward i suppose.
      Too many...build thread over on Mk6golf. Gunmetal

    7. Member ryan mills's Avatar
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      04-04-2010 08:38 AM #5
      Quote, originally posted by Issam Abed »
      Arin,
      I will upload images of the TSI water pump I have here. This part is NOT easy to change at all.

      Figures. Nothing's easy anymore.

    8. 04-04-2010 11:38 PM #6
      I have this problem. I have been hearing the noise on and off for about 6 months. It only lasts for a few seconds and usually happens at lights or when idling before I turn it off. It could never be replicated, I never saw a loss in power or performance so I haven't had a clue what to do. Last week it started happening more frequently so I took a service guy at the dealer for a ride. He definitely herd it. It goes in tomorrow morning for service. I hope with the help of this thread that they fix the problem. It is a stock 2009 GTI with 9,500 miles. The link is a video not filmed by me but exhibits the sound that I and maybe Arin are experiencing. My noise sounds the same but is not constant like the sound in this video. Mine may be on its way to sounding like that. I'll let you know what happens.
      http://www.youtube.com/watch#!...lated

    9. Member GTI010H20's Avatar
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      04-05-2010 03:31 AM #7
      that does sound like a bearing. Prob is since yours was an early model tsi. Or maybe its a vacuum pump going up? They make those water pumps out of plastic still i think too. I forget the reasoning but I know they have one
      Too many...build thread over on Mk6golf. Gunmetal

    10. Member hockeystar17mnj's Avatar
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      04-05-2010 11:00 AM #8
      The one thing I dont understand is that VW has a notorious habbit of using substandard waterpumps for the first few years of an engines life. then they always seem to go back to the cast metal impellers instead of the plastic crap. from mk3--->mk5.
      Garden State Euros Northern New Jersey Tri-State European Car Club
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      mods: APR carbonio stage 1&2 intake, APR K04 flash, AWE turbo outlet pipe, B&B DP, Magnaflow catback, Diesel Geek shifter, APR 27mm Rear Sway bar, autotech dogbone insert,BSH recirc. catch can, Southbend Stage 3 clutch disk, K04!!

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      04-05-2010 11:15 AM #9
      Not sure why Arin left out some info here that he posted on GolfMKV forums, but he said that all the failed water pumps they have seen have been on Mk6's. So it might have been a bad batch that went out.

    12. Member ryan mills's Avatar
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      04-05-2010 01:57 PM #10
      Quote, originally posted by Rdurty2 »
      Not sure why Arin left out some info here that he posted on GolfMKV forums, but he said that all the failed water pumps they have seen have been on Mk6's. So it might have been a bad batch that went out.
      Here's to hoping that is true!

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      04-05-2010 02:39 PM #11
      Quote, originally posted by ryan mills »
      Here's to hoping that is true!


      x2 and thank god i have 50k bumper to bumper on my 08 as opposed to 36k on 09-up
      Quote Originally Posted by Silly_me View Post
      Did you have to use a doll to show the jury where Matthias Mueller touched you?

    14. Member 01gtiaww's Avatar
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      04-05-2010 04:17 PM #12
      Quote, originally posted by Rdurty2 »
      Not sure why Arin left out some info here that he posted on GolfMKV forums, but he said that all the failed water pumps they have seen have been on Mk6's. So it might have been a bad batch that went out.

      I was just going to ask if it was mk5 or mk6 tsi. Thanks for the clarification. [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    15. Member 01gtiaww's Avatar
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      04-05-2010 04:18 PM #13
      Quote, originally posted by Ricky Bobby »

      x2 and thank god i have 50k bumper to bumper on my 08 as opposed to 36k on 09-up

      x3! I opted for 100k bumper to bumper on my 09. [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    16. Member GTI010H20's Avatar
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      04-05-2010 05:42 PM #14
      the sad thing is coverage or no coverage, VW should take care of a problem like that because its failing under short term normal use and its def a design flaw and not something the customer should have to eat. Manufactures get away with it all the time. cough: gm: Cough.
      Too many...build thread over on Mk6golf. Gunmetal

    17. 04-05-2010 06:12 PM #15
      Quote, originally posted by GTI010H20 »
      the sad thing is coverage or no coverage, VW should take care of a problem like that because its failing under short term normal use and its def a design flaw and not something the customer should have to eat. Manufactures get away with it all the time. cough: gm: Cough.

      I missed the part that said VW was not covering this.

    18. 04-05-2010 08:09 PM #16
      Update: My dealer did not have the water pump with the part number the Arin suggested or any other for that matter. I did not leave the car there, I will have it installed Wednesday when the pump arrives. This problem is happening on MKVs. I have been conversing with someone else with the same problem via PM and he has a 2008.5 TSI. He may chime in. His water pump was changed last week and the problem has been fixed. I hope mine goes that smooth on Wednesday. I'll keep you posted.

    19. Member VdubVSHonda's Avatar
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      04-05-2010 08:19 PM #17
      the youtube video mou5e posted is one from my car... i just got my waterpump replaced at 14,000 miles and it got rid of that annoying sound. i have a few threads both here and in the mkv forum about the issue
      i first heard it when i had no mods at 4,000 miles
      edit: if anyone has any questions to ask me about my experience just PM me i'll be more than happy to help out... VW did cover this under warranty


      Modified by VdubVSHonda at 8:21 PM 4-5-2010

    20. Member VdubVSHonda's Avatar
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      04-05-2010 08:26 PM #18
      i just noticed there is a new part that replaced the old one... i'm gonna have to take a look at the service paper and make sure they used the updated version...
      [IMG]http://*****************.com/smile/emthup.gif[/IMG] [IMG]http://*****************.com/smile/emthup.gif[/IMG] to arin for giving people a heads up!

    21. Member GTI010H20's Avatar
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      04-05-2010 10:38 PM #19
      I know vw will cover this type of thing....I was simply referring to the instance where lets say the warranty ended at 30,000 mi. or whatever. The principal point is that a water pump should still be covered because it should definitely last way longer than that and many car makers would look the other way and say..."Sorry, your warranty is up" and not recall it just because it only happened to 5,000 cars and not 10,000. Was just making a point but if you want to get technical. I think everyone here could understand where I was coming from.
      Too many...build thread over on Mk6golf. Gunmetal

    22. 04-06-2010 12:47 AM #20
      Wow I think I've had this noise for a couple 1000 miles now and I never realized it was abnormal. Is there anything wrong with driving around with this issue over extended periods of time or will the coolant pump outright fail soon?

    23. Member VdubVSHonda's Avatar
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      04-06-2010 10:00 AM #21
      i drove my car with the noise for 10,000 miles and nothing went wrong that i know of... arin can chime in as far as what other issues a failing water pump can cause which i'm interested in knowing since one dealer told me it was normal and let me go on my way...
      edit: just took a look at the last service write-up and i indeed did get the revised waterpump installed [IMG]http://*****************.com/smile/emthup.gif[/IMG]


      Modified by VdubVSHonda at 10:04 AM 4-6-2010

    24. Member crawl's Avatar
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      04-06-2010 06:21 PM #22
      Got mine replaced @ 3K (about a week ago) on 2010 GTI. Car is bone stock. Will look in papers on what pump they put in.
      They told me they could not identify the nose so VW engeneer had to be called in
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    25. 04-06-2010 08:13 PM #23
      Does anyone know what build dates are affected or any other info, maybe a TSB?

    26. Member GTI010H20's Avatar
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      04-06-2010 11:01 PM #24
      i'll check at work tomorrow for that info
      Too many...build thread over on Mk6golf. Gunmetal

    27. 04-07-2010 12:43 AM #25
      Hey crawl, did you hear the noise when driving or did you just go to the dealer without any symptoms? I don't hear anything yet thankfully, but this is still pretty bad... I'd rather not take my car in again and my GTI is at 3K also


      Modified by hruinoll at 9:49 AM 4-7-2010

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