Expert: Candido Figueroa - 8/11/2010

Question
Why would my 95 chevy tahoe start overheating when i start using my air conditioner when i'am driving? coolant level ok, oil clean no water residue,radiator no oil residue,fan seems ok,don't see any water leaking from water pump. help!!!!

Answer
HI George

Need to have it checked it could be you fan clutch.  When you use your A/C your system temp. will rise and you fan clutch should take care of it. You could also have too much refrigerant if anyone has added any or your system could have an obstruction.