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 (A/C) 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 evaporator core outlet tube spring lock coupling and the A/C compressor manifold and tube spring lock coupling.
4. Remove the 2 suction accumulator bracket nuts.
- To install, tighten to 8 Nm (71 lb-in).

5. NOTE: New O-ring seals lubricated with clean mineral oil must be installed before connecting any A/C fitting which has been disconnected.

To install, reverse the removal procedure.
- Lubricate the refrigerant system with the correct amount of PAG oil.
- Evacuate, leak test, and charge the refrigerant system.