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2.0T FSI thermostat

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Aidy06, Mar 25, 2013.

  1. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    Hi, can anybody give me the OEM part number for the thermostat for a 2.0T FSI please? My temperature gauge takes ages to heat up and then just fluctuates between 70 and 90, I've looked for a thermostat but I've found 2 and they are both totally different. Thanks
    #1
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  3. gen.heinz guderian
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    gen.heinz guderian Well-Known Member Regional Rep VCDS Map User

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    [Mar 25, 2013]
    If you are buying a Thermostat make sure you buy genuine from Audi/TPS . Give them your reg no to make sure its the right one.
    #2
  4. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    I've seen 3 different ones that come up on different sites with my registration, which one do I need?

    First 2 from OEM parts...

    AUDI A3 (8P1) 2.0 TFSI FEBI BILSTEIN Thermostat, coolant

    And

    AUDI A3 (8P1) 2.0 TFSI FEBI BILSTEIN Thermostat, coolant

    This one from EuroCarParts looks totally different...

    Audi | Euro Car Parts UK’s No.1 Car Parts Retailer
    Last edited: Mar 25, 2013
    #3
  5. gen.heinz guderian
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    gen.heinz guderian Well-Known Member Regional Rep VCDS Map User

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    [Mar 25, 2013]
    The first 2 are the same numbers/parts. Just buy genuine,the ECP one will fail.
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  6. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    I will buy genuine but why are the OEM ones and the ECP one totally different? I don't understand it
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  7. OVRA3
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    OVRA3 Well-Known Member

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    [Mar 25, 2013]
    I got mine from eurocarparts worked a treat :)
    #6
  8. Lewis583
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    Lewis583 Active Member VCDS Map User

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    [Mar 25, 2013]
    There is two different thermostat types, hence the difference in price etc.

    Version 1: It is possible to just replace the thermostat valve.

    Version 2: The thermostat & housing are a sealed component and hence to replace the thermostat you also have to replace the housing too. It is not possible to open it up due to it being plastic welded together.

    For what it's worth mine (2006 A3 20T quattro BWA eng. code) had version 2.

    My advise is, to echo the above comments, go to the main dealer and just give them your VIN/REG number and they will sort it out for you.
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  9. Minstadave
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    Minstadave Member

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    [Mar 25, 2013]
    I've had mine replaced twice now and it still fluctuates between 70 and 90 when its below 4 degrees. I've changed the coolant sensor twice too.
    #8
  10. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    Mine takes ages to even move off the bottom, then stays at 70 whilst driving. If idle it goes to 90
    #9
  11. OVRA3
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    OVRA3 Well-Known Member

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    [Mar 25, 2013]
    Mines a 2005 and was also version 2
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  12. Minstadave
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    Minstadave Member

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    [Mar 25, 2013]
    Mine starts heating up after about 10 minutes, and won't hit 90 after a 30 mile commute if it's cold.
    #11
  13. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    I can't seem to find the second version as an OEM part
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  14. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    Sounds like mine except mine takes longer than 10 mins to move off the bottom, is the car still safe to drive like this?
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  15. Minstadave
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    Minstadave Member

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    [Mar 25, 2013]
    Yup it's still safe. Mine does it every winter, it's almost at 100k now and not died.
    #14
  16. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    Thanks for the input
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  17. OVRA3
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    OVRA3 Well-Known Member

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    [Mar 25, 2013]
    Neeeeeeed moooorreeee innnpuuut sorry couldn't resist
    #16
  18. Aidy06
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    Aidy06 Member VCDS Map User

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    [Mar 25, 2013]
    Johnny 5 is that you???
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  19. Lewis583
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    Lewis583 Active Member VCDS Map User

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    [Mar 25, 2013]
    #18
  20. Aidy06
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    Aidy06 Member VCDS Map User

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    [Apr 13, 2013]
    Got stat replaced yesterday, temperature now goes to 90 and stays there but can take upto 20 mins to get there. Any ideas?
    #19
  21. Minstadave
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    Minstadave Member

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    [Apr 13, 2013]
    Normal in winter I think.
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  22. Aidy06
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    Aidy06 Member VCDS Map User

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    [Apr 14, 2013]
    Thanks. Can anybody else with this engine confirm the length if time to heat up in the colder weather?
    #21

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