High temperature on '02 S8 - what to do
07-25-2008, 07:20 AM
#1
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High temperature on '02 S8 - what to do
While driving on the freeway last night air conditioning went warm and temp guage almost hit H. Made it to the airport and am wondering if I should drive it upon return from my business trip. Guessing it was the thermostat, but don't want to cause any expensive damage. Any words of wisdom ?
07-25-2008, 08:00 AM
#4
AudiWorld Super User
Yes, if it goes hot, turn the AC off and heat to high
And use the aux radiator (heating coil). You'll be uncomfortable, but you can drive it to the mechanic.
It's the thermostat.
It's the thermostat.
07-25-2008, 09:06 AM
#6
AudiWorld Super User
Heater core = aux radiator
You just need to manually turn the fan on HIGH and put the temp on HI. It's nothing but an aux radiator that happens to heat the interior of the car.
07-25-2008, 10:54 AM
#7
AudiWorld Member
When my '00 A8 did the same thing it was actually
the water pump (according to stealer). I did the "aux. radiator" trick too. Of course it was on a 90° afternoon on business 70 miles from home. I was thinking that the AC probably went warm because of some kind of limp mode. I used the good old 480 AC (roll down 4 windows, do 80).
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07-25-2008, 11:06 AM
#8
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Still watch the temp gauge like a hawk, and if it screams beyond the safe zone, STOP!
Pull over and call a flatbed. You do not want to overheat your motor. PaulW's advice is the best for a short drive and obviously a cool evening is the preferred time compared to the heat of the day over lunch hour, which is probably the most convenient. Good luck!
07-25-2008, 03:12 PM
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Didn't audi extend their warranty on the t-stat to 80k? Got a paper about it right when I hit the
ticker for the 80k mark. I'm pretty sure they extended he warranty (sounds very un-audi like but I remember the dumb comment in the paper about a
"commitment to the environment")
"commitment to the environment")