A/C Compressor: Installation

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If a replacement A/C compressor is being installed, be certain to check the refrigerant oil level. See Refrigerant Oil Level in this service information for the procedures. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.

Position the A/C compressor into the engine compartment.
On the 2.4L gasoline and 2.8L diesel engine, install and tighten the mounting bolts or nuts to 27 N.m (20 ft. lbs.).
On the 3.7L gasoline engine install all mounting bolts hand tight, then tighten the mounting bolts in the following sequence:
- The rear bolt to 55 N.m (41 ft. lbs.).
- The front inboard bolt to 40 N.m (30 ft. lbs.).
- The front outboard bolt to 55 N.m ( 41 ft. lbs.).
Remove the tape or plugs from the opened refrigerant line fittings and compressor ports.
Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the discharge and suction line fittings. Use only the specified O-rings as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
Install the suction and discharge lines onto the A/C compressor.
Install the bolts or nuts (depending on engine application) that secure the suction and discharge lines to the A/C compressor. Tighten the bolts or nuts to 28 N.m (20 ft. lbs.).
Connect the wire harness connector to the A/C clutch field coil.
Install the accessory drive belt (Refer to COOLING /DRIVE BELTS - INSTALLATION).
Reconnect the negative battery cable.
Evacuate the refrigerant system (Refer to HEATING & AIR CONDITIONING/PLUMBING - STANDARD PROCEDURE - REFRIGERANT SYSTEM EVACUATE) .
Charge the refrigerant system (Refer to HEATING & AIR CONDITIONING/PLUMBING - STANDARD PROCEDURE - REFRIGERANT SYSTEM CHARGE) .