Accumulator HVAC: Service and Repair

SUCTION ACCUMULATOR







Removal and Installation

NOTE:
- Hybrid shown, all others similar.
- 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.

1. Recover the refrigerant.
2. Disconnect the A/C cycling switch electrical connector.
3. Disconnect the suction accumulator inlet and outlet fittings.
- Discard the O-ring seals.

4. Remove the 2 suction accumulator bracket nuts.
- To install, tighten to 8 Nm (71 lb-in).

5. To install, reverse the removal procedure.
- Install new O-ring seals.
- Lubricate the refrigerant system with the correct amount of PAG oil.
- For Hybrid vehicles, install the suction accumulator upside down, then rotate into position.

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