Accumulator HVAC: Service and Repair

REMOVAL

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. Disconnect the battery ground cable.
2. Recover the refrigerant.







3. Disconnect the A/C cycling switch electrical connector.







4. Remove the nut and disconnect the manifold and tube fitting.
^ Discard the O-ring seal.







5. Remove the accumulator bracket clamping bolt.







6. Disconnect the suction accumulator/drier spring lock coupling from the A/C evaporator core.
^ Discard the O-ring seals.







7. Remove the suction accumulator.







8. Remove the A/C cycling switch from the top of the suction accumulator.

INSTALLATION
1. To install, reverse the removal procedure.
^ Install new O-rings lubricated in clean PAG oil.
^ Lubricate the refrigerant system with the correct amount of clean PAG oil.

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