A8 / S8 (D2 Platform) Discussion Discussion forum for the D2 Audi A8 and S8 produced from 1994-2002

overheating

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Old Oct 2, 2005 | 11:29 AM
  #1  
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Default overheating

Well... ive changed the fan clutch...the electric fan and completly flushed the coolant and repalced it with the g12 ...

the damn thing still overheats while idleing...

Maybe next i need to cut out some vents... its crazy...

its definately air related.. ideas?
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Old Oct 2, 2005 | 11:45 AM
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From: CT
Default thermostat ? Air lock after flushing ? Are both the top and bottom hoses getting hot ?

if not, you probably have an air lock...

Bob
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Old Oct 2, 2005 | 12:32 PM
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Default I had a same problem.

This summer I was in Palm Springs ( 115F ). I had over heating problem. I thought it's normal because of the desert heat, but a week later I was in San Francisco ( 70 F ) and it still over heated.the over heat only occurred if the speed was less than 35-40 mph. I think it had an air bubble, because all I did was to top of the reservoir. Now is fine in Chicago ( 80F ). If I were you, I would fill it 80% water and 20% G12. I don't think that you need more protection in UAE.
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Old Oct 2, 2005 | 03:44 PM
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Default Re: overheating

Have you checked to see if the large fan comes on at all?
Behind the drivers side front wheel there is a ground plate with 3 ground posts and 4 or 5 wires grounded there. I had a similar overheating problem and noticed that one of the grounding screws had corroded and broken off leaving a loose wire. The other 2 were on their way out as well so I removed the plate and drilled out the old bolts. Replaced the ground posts with screws and reconnected everything.
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Old Oct 2, 2005 | 04:50 PM
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Default I bet you don't have the right coolant mix. That happened to me

The guy that changed my coolant did not dilute it with water the right way. Since I did not have the right mix I had the same problem.
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Old Oct 2, 2005 | 09:11 PM
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Default Re: overheating

The large fan the the Aux fan both come on when the car is started.
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Old Oct 3, 2005 | 10:43 AM
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Default Fixed...fixed...fixed.... Oh glorious day

the coolant mix was not right .. changed it and along wiht the new fans the prolems has dissapeared...
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Old Oct 4, 2005 | 09:54 AM
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Default Re: Fixed...fixed...fixed.... Oh glorious day

I know the feeling! Yahoo!
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