Tools Required

J 39400-A Halogen Leak Detector

1. Tilt the cab. Refer to Cab Tilting .
2. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
3. Remove the drive belt. Refer to Drive Belt Replacement .



4. Remove the electrical connector (1) from the compressor.
5. Remove the compressor block fitting bolt (1).
6. Remove the compressor hose assembly.




Important: When removing sealing washers, keep dirt and foreign material from getting in the compressor.

Clean all of the sealing surfaces with a lint-free rag.
7. Remove the sealing washers. Refer to Sealing Washer Replacement .



8. Remove the compressor mounting bolts (1).
9. Remove the compressor from the mounting bracket.

1. If replacing the A/C compressor balance the compressor. Refer to Air Conditioning Compressor Oil Balancing .
2. Position the compressor to the mounting bracket.
3. Install the bolts to the mounting bracket. Do not tighten at this time.
4. Install new sealing washers onto the pilots of the fittings. Refer to Sealing Washer Replacement .



5. Install the compressor hose assembly to the compressor.
6. Install the compressor hose assembly bolt (1).

Notice: Refer to Fastener Notice in the Preface section.

7. Hold the block in place. Hand tighten the compressor hose assembly bolt (1).

Tighten
Tighten the bolt to 35 N·m (26 lb ft).




8. Install the compressor mounting bolts (1).

Tighten
Tighten the bolts to 22 N·m (16 lb ft).




9. Install the electrical connector (1) to the compressor.
10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
11. Leak test the fittings of the repaired or reinstalled components using the J 39400-A .
12. Lower the cab. Refer to Cab Tilting .