Q: How to remove and install a compressor in a Toyota Celica's air conditioning system?
A: Have the refrigerant discharged at a dealer service department or an automotive air conditioning repair facility. Disconnect the negative cable from the battery and remove the battery. Caution: If the stereo in your vehicle is equipped with an antitheft system, look at the information on page 0-15 at the front of the manual detaching the cable. Detach the refrigerant lines from the back of the compressor and immediately cap the open fittings to prevent the entry of dirt and moisture. Disconnect the clutch wire from the compressor. Remove the mounting bolts and lower the compressor from the engine compartment. Note: Keep the compressor level during handling and storage. If the compressor seized or you find metal particles in the refrigerant lines, the system must be flushed out by an air conditioning technician and the receiver/drier must be replaced. Prior to installation, turn the center of the clutch six times to disperse any oil that has collected in the head. Install the compressor in the reverse order of removal. If you are installing a new compressor, look at the manufacturer's instructions for adding refrigerant oil to the system. Have the system evacuated, charged and leak tested by the shop that discharged it.