Accumulator HVAC: Service and Repair
ACCUMULATOR REPLACEMENTREMOVAL PROCEDURE
1. Remove the air cleaner.
2. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging. Service and Repair
3. Remove the accumulator nut (1) from the evaporator.
4. Remove the compressor and condenser hose (7) from the accumulator.
5. Remove the O-ring seals.
6. Disconnect the electrical connectors.
7. Remove the pressure switch.
8. Remove the accumulator mounting bracket bolt.
9. Remove the accumulator mounting bracket.
10. Remove the accumulator.
11. Install sealing caps if you are not replacing the accumulator.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the accumulator (1) to the evaporator.
Tighten
Tighten the accumulator to the evaporator to 48 N.m (35 lb ft).
2. Install the accumulator mounting bracket.
3. Install the accumulator mounting bracket bolt.
Tighten
Tighten the mounting bracket bolt to 4 N.m (35 lb in).
4. Install the pressure switch.
5. Connect the electrical connections.
6. Coat the O-ring seals with 525 viscosity refrigerant oil.
7. Install new O-ring seals.
8. Install the compressor and condenser hose (7) to the accumulator.
9. Install the accumulator nut (1) from the evaporator.
10. Evacuate and charge the system. Refer to Refrigerant Recovery and Recharging. Service and Repair
11. Ensure that no leaks exist in the system. Refer to Leak Testing. Leak Testing
12. Install the air cleaner.