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

The compressor in an air conditioner draws in cool, low-pressure refrigerant gas and squeezes it until the gas turns into a hot, high-pressure gas. The hot gas is pushed into a condenser coil where cool air from the outs... More »

An air conditioner diagram usually shows the four main parts: the evaporator, compressor, condenser and the expansion valve. The evaporator and the condenser fans may also be included. Some diagrams also indicate the mov... 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

A water-cooled air conditioner takes stress off the compressor by using water vapor to remove heat from the refrigerant. Commercial buildings typically use this technology in their split-system air conditioning systems, ... More » Home & Garden Heating & Cooling