Accumulator HVAC: Service and Repair

SUCTION ACCUMULATOR







Removal and Installation

NOTE: Installation of a new suction accumulator is not required when repairing the air conditioning system except when there is physical evidence of contamination from a failed A/C compressor or damage to the suction accumulator.

All vehicles
1. Recover the refrigerant.
2. Remove the PCM.
3. Remove the low-side service port stem bracket bolt.
- To install, tighten to 8 Nm (71 lb-in).

4. Disconnect the A/C cycling switch electrical connector.
5. Remove the suction accumulator bolt.
- To install, tighten to 9 Nm (80 lb-in).

6. Remove the suction accumulator stud.
- To install, tighten to 9 Nm (80 lb-in).

4.6L vehicles
7. Remove the suction accumulator-to-compressor line bracket nut at the condenser-to-evaporator line bracket.

All vehicles
8. Remove the 2 suction accumulator fitting nuts and disconnect the fittings.
- Discard the O-ring seals.
- To install, tighten to 8 Nm (71 lb-in).

9. Remove the suction accumulator bracket bolt and suction accumulator.
10. To install, reverse the removal procedure.
- Install new O-ring seals.
- Lubricate the refrigerant system with the correct amount of clean PAG oil.

11. Evacuate, leak test and charge the refrigerant system.