A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

A6 4.2L quattro still Overheating!!

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Old Sep 25, 2009 | 11:31 AM
  #1  
derkanstorff's Avatar
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Default A6 4.2L quattro still Overheating!!

Please help! I replaced a faulty fan clutch with brand new oem. Fan is now coming on properly, HOWEVER the car is STILL Overheating.

Please help as Ive been car-less for 3 days now...

Thanks!!

Dstorff
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Old Sep 25, 2009 | 01:15 PM
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Stuck thermostat? Engine temp sensor?
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Old Sep 25, 2009 | 02:19 PM
  #3  
derkanstorff's Avatar
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Originally Posted by bigglesworth
Stuck thermostat? Engine temp sensor?
are those easy fixes, or do they require professional?

Thermostat runs about 25 bucks, not sure on the sensor??

Thanks !
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Old Sep 25, 2009 | 02:57 PM
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Baynes's Avatar
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I just replaced My thermostat, water pump and timing belt, my 2002 A6 4.2
was overheating at 76k miles. private mechanic will charge 500-600 just to get in there, the belt is about $70 other parts are under $40. You have to take off the timing belt to get to the thermastat and you need special tool that cost $70 to put the timing belt back on. Once you pay the mechanic to get in there, you might as well replace those other parts, they tend to go out after 100 to 120k.
This was a pain in the *** but I'm almost 95% sure that's what it is. This is very common for 98 to 2004s
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