Question about Oldsmobile Cutlass Supreme

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A/C compressor is charged but it still will not blow cold air. I have checked to see if the control switch will switch from heat to A/C. When i switch it to heat it will blow out hot air. But when i switch it to A/C it will blow out warm air. Could this be a filter issue or a vacuum leak in the system.

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It could be a vacuum leak. You may do a simple test by applying soap suds on the vacuum hoses and joints to test if there is indeed a leak. You may have to open up the dash and inspect the evaporator (inside part of the AC). Check if the 'doors' for the air are moving correctly when you switch from heat to AC. Some cars apply this technology. Inspect the inside for dirt. You may need to take out the fan and the coils inside for cleaning. I recommend pressurized water for these parts. Check also for loose cables. If these cheap solutions did not work have your system tested. You may need to recharge your AC with new coolant.

Posted on Apr 03, 2011

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