Accumulator HVAC: Service and Repair

SUCTION ACCUMULATOR

REMOVAL

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 R-134a refrigerant systems as an A/C compressor lubricant. PAG Refrigerant Compressor Oil (R-134a Systems) 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. Recover the refrigerant.







2. Disconnect the A/C cycling switch connector.







3. CAUTION: To prevent damage to the fitting and the tube, use a backup wrench when loosening or tightening the fitting nut.

Disconnect the evaporator core outlet tube.
- Discard the O-ring seal.







4. Disconnect the manifold and tube assembly.
- Discard the O-ring seal.







5. Detach the evaporator inlet from the clip.







6. Remove the suction accumulator screws and the suction accumulator.

INSTALLATION
1. 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 mineral oil.

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