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After a part number + Advice PLEASE!!!!!!

holmefield Oct 27, 2011

  1. holmefield

    holmefield Member

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    Hi all, i know this has been covered before but need some advice and info.

    For sometime now my cars temp gauge doesn't seem to work that well, looking @ the gauge 50 is cold 70 is quarter and 90 is half.

    My car warms up ok the gauge prob goes upto 75/80 then drops back down to a quarter or just under, if i leave it ticking over and not moving for a bit the gauge goes up again.

    I know that the temp sensors can play up, is it worth replacing the sensors? + does anybody have the relevent part number?

    Is there something other than the temp sensor that could be causing it?

    My cars losing water @ the rate of a pint in about 4 weeks or 900 miles ish, so just trying to get the temp sensor right incase my water usage gets worse, im hoping its either a split pipe or the water pump, and im praying and praying its not the head gasket.

    Any help would be great.............thanks all...
     
  2. swarcup

    swarcup Well-Known Member

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    sounds like there is a problem with iether the thermostat or water pump, i would say thermostat but if your losing water then possible water pump, have you looked to see where the water is leaking?
     
  3. holmefield

    holmefield Member

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    Im taking it upto my dads garage this weekend to try and find the leak, how much are water pumps?

    Is it worth replacing the thermostat anyway?
     
  4. hades-

    hades- Well-Known Member VCDS Map User

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    its the stat
     
  5. holmefield

    holmefield Member

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    Are the thermostats easy to replace, you dont need to hook them upto a vag-com after do you??????
     
  6. swarcup

    swarcup Well-Known Member

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    no its a bolt off and bolt on part, around fifteen quid from audi. Only shop at audi for these aswell. Location is around the rear of the engine i believe if its a 1.9tdi? just guessing from your remap figure. oh and get yourself some g12 antifreeze to top up as you will lose a bit when you take the old off and new on.
     
  7. holmefield

    holmefield Member

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    Cheers i'll get one ordered, Do i need G12 antifreeze??? i've just brought some normal red antifreeze which is meant for most engines and works down to -37 degrees.............can Audis only use certain antifreezes??

    I've found the water pump price using that spot on Audi parts finder in the sticky thread, euro car parts are coming out @ about £42.00 but wierdly it lists four different pumps, two of each make and all slightly different prices.....

    Im gunna have a hunt in the parts sticky again and see if i can find the part number for the thermostat....
     

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