One major sign that an AC compressor has gone bad and needs replacement is when the air conditioner is blowing out warm air. The AC compressor allows the air conditioner to produce cool air by pumping refrigerant through... More »

To replace an automotive AC compressor, open the hood to locate the failed compressor, unmount the AC compressor, use a solvent to flush the parts you are not replacing and install the new compressor. Finally, evacuate a... More » Vehicles Car Parts & Maintenance

To troubleshoot an AC compressor, first check for indicators of an electrical problem. If the unit is completely powered off, check the wall socket to ensure there is a power supply. More » Home & Garden Appliances

Perhaps the most important part of an air conditioner is the compressor, which compresses the refrigerant. Compression warms the refrigerant, which is allowed to cool off before it is expanded, creating cool air. More » Home & Garden Heating & Cooling

To replace the freon in an air conditioner, find the compressor, connect the service and tap valves, turn the air conditioner on to high, and connect the refrigerant container. Once the air conditioner takes in the freon... More » Home & Garden Heating & Cooling

To troubleshoot a Tempstar air conditioner, inspect and clean the ventilation grill, clean out the compressor and lubricate the fan. Be sure to slide the selector switch to the top or completely rotate the thermostat in ... More » Home & Garden Heating & Cooling

RepairPal estimates the cost of replacing an air conditioner or heat pump compressor to be between approximately $750 to a bit over $1,000, as of 2015. Compressors form the heart of air conditioners and heat pumps, so re... More »