Accumulator HVAC: Service and Repair

SUCTION ACCUMULATOR







Removal and Installation

CAUTION: Refrigerant compressor oil (mineral oil) should be used to lubricate R-134a refrigerant system O-ring seals only and should not be added to the R-134a refrigerant system as an A/C compressor lubricant. PAG refrigerant compressor oil only should be used as an A/C compressor lubricant.

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

1. Recover the refrigerant.
2. Remove the 2 A/C fitting nuts.
- Discard the O-ring seals.
- To install, tighten to 8 Nm (71 lb-in).

3. Disconnect the A/C cycling switch electrical connector.
4. Remove the 3 suction accumulator bolts.
5. Remove the suction accumulator.
6. To install, reverse the removal procedure.
- Install new O-ring seals.
- Lubricate the refrigerant system with the correct amount of clean PAG oil.

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