Accumulator HVAC: Service and Repair

Accumulator:

Tool Required:
J 38042 Dual O-Ring Tube Separator

Remove or Disconnect

1. Negative battery cable.
2. Recover refrigerant.
3. Electrical connectors, as necessary.
4. Pressure cycling switch.
5. Refrigerant hose from accumulator using J 38042.
6. Accumulator from the evaporator using J 38042.
7. O-ring seals from accumulator.

Important
- Cap or plug all open connections.

8. . Accumulator bracket screw.
9. Accumulator.
10. Upper and lower accumulator insulators.

Install or Connect

1. Upper and lower accumulator insulators.
2. Accumulator.
3. Accumulator bracket screw.

Tighten
- Screw to 6 N.m (53 lb in).

4. New O-ring seals.
- Coat O-ring seals with 525 viscosity refrigerant oil.
5. Accumulator to the evaporator.

Tighten
- Accumulator to 41 N.m (30 lb ft).

6. Refrigerant hose to accumulator.

Tighten
- Hose to 41 N.m (30 lb ft).

7. Pressure cycling switch.
8. . Electrical connectors, as necessary.
9. Negative battery cable.
10. Charge system.
11. Check system for leaks.