Audi A8 This full sized Audi A8 sedan offers interior luxury and spaciousness comparable to any car in the full sized luxury sedan class

Overheating

  #1  
Old 11-15-2009, 07:09 PM
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Default Overheating

I have a 2006 A8 with 47K. Today the engine began overheating with the gauge spiking to 'H' and the dashboard thermostat warning light came on. I checked the coolant level and it's full. Fans were running when I opened the hood. Any suggestions as to what the problem might be? Thanks.
 
  #2  
Old 11-16-2009, 12:00 AM
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It's most likely the thermostat I just had mine go. It could also be the waterpump but it doesn't really matter which one because you might as well replace them both once in there.

If it's not really overheating meaning it's seems normal but reads hot then it's the temp sensor.
 
  #3  
Old 11-16-2009, 07:15 PM
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thanks jackmup, the thermo was bad. dealers taking care of it.
 
  #4  
Old 11-18-2009, 10:58 AM
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Curious, how much was the repair?
 
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Old 12-12-2009, 08:21 AM
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sorry i didn't get back to you brozee, it was still under warrany
 
  #6  
Old 12-12-2009, 12:39 PM
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Oh okay, well thanks, do you know how much it would have been?
 
  #7  
Old 12-14-2009, 10:16 AM
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i know it's not a simple fix. they told me they had part of the motor apart when i called to check on it and it would be completed the next day. that's not good news if you don't have a warranty.
 
  #8  
Old 12-15-2009, 12:36 AM
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A thermostat is 8 hours of labor, so around $800. However its right behind the timing belt so when 80k rolls around you just buy the entire repair kit from ECS (or wherever) that gives you the thermostat, water pump, tensioners, idlers, serptinine belt, and timing belt for around $500. That saves you around $500-$600 right there just in parts, replacing the thermostat when doing the timing belt is good practice on these cars.
 
  #9  
Old 12-15-2009, 01:00 AM
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I have to have my timing belt replaced sometime soon. I'll prob do it when the car hits 80 or probably just 90k. Do you have the link to the site for this entire kit? And you said all that should be replaced? I was under the impression only the water pump and timing belt was to be changed.
 
  #10  
Old 12-15-2009, 01:08 AM
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You always should replace the thermostat, almost every audi should actually. Couldn't tell you how many times folks would do the timing belt and have the thermo stick on them a few months later, only to find that all that has to be removed again to change it out. http://www.blauparts.com/proddetail....od=GH21118%2DF
I checked ECS tuning, they only offer the belt and tensioners as a kit for some reason, but blauparts has you covered.
 

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