Overheating 02 Silverado A/C on or off
May 31st, 2016, 6:49 PM
#1
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Overheating 02 Silverado A/C on or off
So when this first started it would creep up a little when A/C was on when I
Revved up engine for a out a min it would lower to normal temp. Now it also
100+ outside now and it goes up 3/4 the way and Erving up doesn't help any
More. When I go down highway to get air moving still doesn't cool it off
Only cools off when I let off gas and rpm is about 1800 or so. Then it will start to drop a little. I changed water pump tstat also cleaned out heater hose and rad hoses as well. Could my CLUTCH BE BAD? Help please
Revved up engine for a out a min it would lower to normal temp. Now it also
100+ outside now and it goes up 3/4 the way and Erving up doesn't help any
More. When I go down highway to get air moving still doesn't cool it off
Only cools off when I let off gas and rpm is about 1800 or so. Then it will start to drop a little. I changed water pump tstat also cleaned out heater hose and rad hoses as well. Could my CLUTCH BE BAD? Help please
June 1st, 2016, 10:30 PM
#7
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if it stops right within a few seconds of turning the engine off the clutch should be fine, the coolant is full right? Sounds like possibly a flow issue or air in the system
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June 2nd, 2016, 12:40 PM
#8
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Might be worth taking the overflow cap off and letting it warm up to operating temp to try to purge any air out of the system and refill to see if it still tries to overheat.