Accumulator HVAC: Service and Repair

REMOVAL PROCEDURE




1. Remove the engine air cleaner.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Service and Repair
3. Remove the suction line nut (3) at the accumulator.




4. Position the suction line aside from the accumulator.




5. Remove the compressor hose nut (2) from the accumulator.




6. Position the compressor hose aside from the accumulator.




7. Remove the accumulator bracket bolt.




8. Remove the accumulator.

INSTALLATION PROCEDURE




1. Install the accumulator.

NOTE: Refer to Fastener Notice in Service Precautions.




2. Install the accumulator bracket bolt.

Tighten
Tighten the accumulator bracket bolt to 4 N.m (36 lb in).

IMPORTANT: Lubricate the new O-ring seals and seal washers with a mineral base 525 viscosity refrigerant oil.




3. Install the new O-ring seals onto the compressor line and the suction line.
4. Install the suction line onto the accumulator.




5. Install the suction line nut (3) to the accumulator.

Tighten
Tighten the suction line nut to 47 N.m (35 lb ft).




6. Install the compressor hose to the accumulator.




7. Install the compressor hose nut (2) onto the accumulator.

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

8. Evacuate and charge the system. Refer to Refrigerant Recovery and Recharging. Service and Repair
9. Inspect the system for leaks. Refer to Leak Testing.
10. Install the engine air cleaner Air Cleaner Assembly Replacement in Computers and Control Systems - 3.1L or Air Cleaner Assembly Replacement in Computers and Control Systems - 3.8L.