Q: How to remove and install a compressor in a Nissan Murano's air conditioning system?A: Have the refrigerant discharged at a dealer service department or an automotive air conditioning repair facility. Disconnect the cable from the negative terminal of the battery. Raise the vehicle and support it securely on jackstands. Remove the lower engine splash shield. Remove the drivebelt. Disconnect both refrigerant lines from the compressor and seal all openings with tape to prevent contamination. Disconnect the wiring from the compressor. Remove the bolts from the oil cooler lines, then move them aside. Remove the compressor mounting bolts and remove the compressor from the bottom of the engine compartment. These bolts secure the compressor at the front of the engine. Compressor side mounting bolts. 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 receiverdrier must be replaced. Prior to installation, turn the center of the clutch six times to evenly 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, the cycling clutch assembly may have to be transferred to the new compressor. Note: The removal of the clutch assembly will require the use of several special tools. You may want to have the clutch assembly transferred to the new compressor by an air conditioning shop or dealer service department. The compressor manufacturer's instructions for adding refrigerant oil to the system. Caution: Use only refrigerant oil compatible with the R-134a system in your vehicle. Reconnect the battery and perform the necessary re-learn procedures. Have the system evacuated, charged and leak tested by the shop that discharged it.