Have the air conditioning system refrigerant discharged and recycled by an air conditioning technician, disconnect the cable from the negative terminal of the battery, set the parking brake, block the rear wheels and raise the front of the vehicle, supporting it securely on jack stands and remove the splash cover from below the engine, remove the drivebelt, disconnect the refrigerant lines from the compressor, plug the open fittings to prevent entry of dirt and moisture, disconnect the compressor clutch wiring harness, unbolt the compressor from the mounting bracket and remove it from the vehicle, the clutch may have to be transferred from the old compressor to the new unit, add the proper amount of refrigerant oil to the new compressor using the following calculations: drain the refrigerant oi from the old compressor through the suction fitting and measure it in ounces, drain any new oil from the new compressor, if the amount from the old compressor was 3 to 5 ounces, put that amount of clean, new oil in the new compressor, if the amount from the old compressor was less than 3 ounces, put 3 ounces of clean, new oil in the new compressor, if the amount from the old compressor was more than 5 ounces, put 5 ounces of clean, new oil in the new compressor, installation is the reverse of removal, using new 0-rings where the lines attach to the compressor, remember to slip the two upper mounting bolts into the compressor before installing the compressor in the vehicle, have the system evacuated, recharged and leak tested by an air conditioning technician.
Posted by NissanPartsDeal Specialist