Air Conditioning Compressor Replacement 2.2L
Tools Required
J 39400-A Halogen Leak
Detector
Removal Procedure
- Recover the refrigerant from the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Install a 3/8 inch drive wrench on the drive belt tensioner arm and rotate
the arm counterclockwise.
- Reposition the drive belt from the A/C compressor.
- Slowly release the tension on the drive belt tensioner arm.
- Disconnect the electrical connectors as necessary.
Important: Some system pressure may still exist in the A/C compressor crankcase after you
evacuate the system.
- Remove the compressor hose assembly.
- Remove
the compressor mounting bolts (2) from the bottom, front of the A/C compressor (1).
- Remove the compressor rear bracket bolts.
- Remove the compressor from the brackets.
- If replacing the compressor, balance the refrigerant oil. Refer to
Compressor Oil Balancing
in Heating, Ventilation and Air
Conditioning.
Installation Procedure
- Install the compressor to the brackets.
Notice: Refer to Fastener Notice in the Preface section.
- Install the compressor mounting bolts (2) to the A/C compressor (1).
Tighten
Tighten the bolts to 50 N·m (37 lb ft).
- Install the compressor rear bracket bolts.
Tighten
Tighten the bolts to 25 N·m (18 lb ft).
- Install the compressor hose assembly.
- Connect the electrical connectors as necessary.
- Install a 3/8 inch drive wrench on the drive belt tensioner arm and rotate
the arm counterclockwise.
- Reposition the drive belt to the A/C compressor.
- Slowly release the tension on the drive belt tensioner arm.
- Inspect for the drive belt being properly installed on the pulleys.
- Evacuate and recharge the refrigerant system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings components using the J 39400-A
.
Air Conditioning Compressor Replacement 4.3L
Tools Required
J 39400-A Halogen Leak
Detector
Removal Procedure
- Recover the refrigerant from the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Remove the air cleaner outlet duct. Refer to
Air Cleaner Outlet Resonator Replacement
in Engine Controls - 4.3L.
- Remove the drive belt.
- Disconnect the A/C compressor clutch coil
electrical connector (1).
- Disconnect the A/C high pressure switch
electrical connector (2).
Important: Do not disconnect the compressor hose assembly from the condenser or the accumulator.
- Remove the compressor hose assembly from the compressor.
- Remove the compressor sealing washers and discard.
- Remove the nut and throttle control cable bracket from the throttle
body.
- Remove the compressor mounting bolts.
- Remove the compressor from the vehicle.
- If replacing the compressor, balance the refrigerant oil. Refer to
Compressor Oil Balancing
.
Installation Procedure
- Install the new compressor to the vehicle.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the compressor mounting bolts.
Tighten
Tighten the bolts to 50 N·m (37 lb ft).
- Install the throttle control cable bracket and nut to the throttle body.
Tighten
Tighten the nut to 12 N·m (106 lb in).
- Install new compressor hose assembly sealing washers. Refer to
Compressor Sealing Washers Replacement
.
- Install the compressor hose assembly to the compressor.
- Connect the A/C high pressure switch electrical
connector (2).
- Connect the A/C compressor clutch coil electrical
connector (1).
- Install the drive belt.
- Install the air cleaner outlet duct. Refer to
Air Cleaner Outlet Resonator Replacement
in Engine Controls - 4.3L.
- Evacuate and recharge the A/C system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings components using the J 39400-A
.