Diesel Data: Automotive Repair

HVAC System - Manual

REMOVAL PROCEDURE




1. Remove the air cleaner and duct assembly.
2. Recover the refrigerant. Refer to Refrigerant, A/C Recovery and Recharging.
3. Remove the radiator.
4. Remove the liquid line nut from the condenser.




5. Position aside the liquid line from the condenser.




6. Remove the compressor line nut (1) from the condenser.




7. Position the compressor line aside from the condenser.




8. Remove the condenser.

INSTALLATION PROCEDURE




1. Install the condenser.

IMPORTANT: Coat the new O-ring seals with mineral base 525 Viscosity refrigerant oil.




2. Install the new O-ring seals onto the compressor line and the liquid line.
3. Install the liquid line to the condenser.

NOTE: Refer to Fastener Notice in Service Precautions.




4. Install the liquid line nut to the condenser.

Tighten
Tighten the liquid line nut to 27 N.m (20 lb ft).




5. Install the compressor line to the condenser.




6. Install the compressor line nut (1).

Tighten
Tighten the compressor line nut to 16 N.m (12 lb ft).

7. Install the radiator.
8. Evacuate, charge the A/C system. Refer to Refrigerant, A/C Recovery and Recharging.
9. Leak test the A/C system. Refer to Leak Testing. Testing and Inspection
10. Install the air cleaner and duct assembly.