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Search Auto Parts Search 2005 chevy cavalier a/c blows hot at idle Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum jgamer New User Jul 15, 2014, 8:46 AM Post #1 of 3 (1915 views) 2005 chevy cavalier a/c blows hot at idle Sign In my ac blows hot at idle and really cold while driving checked pressure found low side at idle to be 120 psi on low side and compresser cycles. any thoughts on what is wrong and what needs to be changed to get low side pressures down to normal lvls. out side temps 95 Tom Greenleaf Ultimate Carjunky / Moderator Jul 15, 2014, 10:29 AM Post #2 of 3 (1896 views) Re: 2005 chevy cavalier a/c blows hot at idle Sign In Fan(s) working? You need both high and low pressures while compressor is engaged at a raised RPM tells of system more than a single low side pressure which means almost nothing if compressor is cycling quickly you need to know more. Do yourself a favor and don't go adding refrigerant till you have comprehensive know how of what pressure should be when and never use a can with a gauge on it type thing, T WyrTwister User Jul 15, 2014, 10:39 PM Post #3 of 3 (1886 views) Re: 2005 chevy cavalier a/c blows hot at idle Sign In      Pretty sure you have one or two electric fans assisting air flow through the radiator ( and the A/C condenser coil ) ? They should be working when the car is sitting still , at idle , with the A/C on . Check that . Make sure the coolant ( antifreeze ) level is not low . Make sure nothing is blocking air flow through the radiator and condenser coil . God bless Wyr   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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