Operation CHARM: Car repair manuals for everyone.

Compressor

REMOVAL

1. Disconnect negative battery cable.

2. Recover refrigerant using an approved refrigerant recovery system. Measure the amount of oil lost during recovery and record.

IMPORTANT: Add the recorded amount of new Saturn PAG compressor oil before charging the system.





3. Remove accessory drive belt from compressor clutch pulley by rotating belt tensioner clockwise.

4. Disconnect compressor clutch electrical connector.

CAUTION: DO NOT REMOVE HOSES BEFORE SYSTEM IS FULLY DISCHARGED.





5. Disconnect Suction and discharge hoses at compressor.

6. Install plastic bags on the open end of the low and high side hoses.





7. Remove the rear compressor to bracket bolts.





8. Remove the front compressor to bracket bolts.

9. Remove compressor.

IMPORTANT: Keep compressor level during removal to avoid any oil loss from the low or high side ports.

INSTALLATION

IMPORTANT: Keep compressor level during installation to avoid any oil loss from the low or high side ports.





1. Install compressor to front bracket with three bolts. Finger tighten only.

2. Install compressor to rear bracket with three bolts. Tighten front and rear bolts to specifications.

Front Bolts:
Torque: 49 N.m (36 ft-lbs)


Rear Bolts:
Torque: 25 N.m (19 ft-lbs)


NOTICE: Use only R-12 Refrigerant oil (mineral) to lubricate O-rings. Use of R-134a (PAG) oil will cause premature corrosion of fitting joints.





3. Remove plugs or plastic bags from suction and discharge hoses. Lubricate O-rings with R-12 Refrigerant oil (mineral) and install.

4. Install hoses to the compressor low and high side ports. Tighten bolts to specifications.

Suction Hose:
Torque: 25 N.m (19 ft-lbs)


Discharge Hose:
Torque: 25 N.m (19 ft-lbs)






5. Connect compressor clutch electrical connector.

6. install accessory drive belt.

7. Connect negative battery cable.

Torque: 17 N.m (151 in-lbs)

8. Set clock to proper time.

9. Evacuate, charge, and leak test A/C system.

10. Run A/C performance test.