Accumulator HVAC: Service and Repair

SUCTION ACCUMULATOR

Removal and Installation

CAUTION: Refrigerant Compressor Oil (Mineral Oil) F73Z-19577-AA (Motorcraft YN-9-A) 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 F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B only should be used as an A/C compressor lubricant.

1. Position the vehicle on a hoist with the gear selector in NEUTRAL.
2. Recover the refrigerant.
3. Remove the lower radiator air deflector.







4. Disconnect the compressor manifold and tube assembly at the suction accumulator.
- Discard the O-ring seal.







5. Remove the suction accumulator bracket nut.







6. Remove the suction accumulator bracket bolts.







7. Disconnect the evaporator outlet line fitting at the suction accumulator.
- Discard the O-ring seals.

8. Remove the suction accumulator.
9. To install, reverse the removal procedure.
- Install new O-ring seals lubricated in clean mineral oil.
- Lubricate the refrigerant system with the correct amount of clean PAG oil.

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