Help: Overheats With Ac On @ Hwy Sppeds
Help: Overheats With Ac On @ Hwy Sppeds My Brother Just Bought A 2000 V6 Camaro That Was Repaired From A Front Passenger Side Wreck
The Car Will Run Fine Arround Town And In Park But When At Hwy Speeds With The A\c On The Car Very Quickly Overheats
The Odd Thing Is If You Turn Off The A\c Its Fine Or If Your Ideling In Park With The A\c On Its Fine
I Checked The Fans With Hpt And They Seem To Be Working Fine, The Car Has Suffucent Coolant And Holds A Stedt 200 Deg. Temp While Parked
Any Ideas??
The Car Will Run Fine Arround Town And In Park But When At Hwy Speeds With The A\c On The Car Very Quickly Overheats
The Odd Thing Is If You Turn Off The A\c Its Fine Or If Your Ideling In Park With The A\c On Its Fine
I Checked The Fans With Hpt And They Seem To Be Working Fine, The Car Has Suffucent Coolant And Holds A Stedt 200 Deg. Temp While Parked
Any Ideas??
Originally Posted by reject
did the shop put the black air dam thing back on? it's the black thing that runs from side to side of the car right under the bumper
If there is plenty coolant,fans are operating as they should and the air dam is in place,I would maybe suspect the T-stat??
Good luck!
Look for debris caught up by the radiator...You can be surprised how much stuff you will find once you pull stuff out of the way and get in there..Leaves,newspapers,plastic bags....etc
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Good Thoughts.. Im Gonna Give These A Try But Keep Em Comming
Also Being This Only Happens With Ac And Hwy Speed Its Kinda Weird Being I Thought The Fans Actually Turn Off At Hwy Sppeds ?
I Was Thinking A Slipping Belt? But It Done Really Sound Right
Also Being This Only Happens With Ac And Hwy Speed Its Kinda Weird Being I Thought The Fans Actually Turn Off At Hwy Sppeds ?
I Was Thinking A Slipping Belt? But It Done Really Sound Right
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anytime the a/c compressor is engaged and the pressures are high enough both high fans should be running. Does it overheat with the a/c on at idle?? Possible restricted condenser. Does it blow cold air from vents??? Get a a/c gauge set and see what your pressures are at idle,2500 rpm and going down the road. If the air dam is missing the condenser wont get enough airflow at hiway speeds to keep pressures in check. Although this problem typicaly does not cause the engine to overheat just the a/c to blow the relief valve. Just a stab in the dark.
slept on it last nite and remembered a car that came into the shop a few years ago. it had a cracked head. replaced the head drove it and it overheated, but i could run this thing in the shop for hours at idle and at higher rpm and never have an issue. whenever you took it on the highway it would get hot. found mineral deposits in the radiator. if your shop replaced the radiator with a used one that could be the culprit.
