Air Conditioning and Heater Assembly
AIR CONDITIONING AND HEATER ASSEMBLYREMOVAL
CAUTION: Refrigerant Compressor Oil (Mineral Oil) F73Z-19577-AA (Motorcraft YN-9-A) should be used to lubricate R-134a refrigerant system O-rings seals only and should not be added to R-134a refrigerant systems 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. Recover the refrigerant.
2. Drain the engine cooling system.
3. Disconnect the heater hoses.
4. Disconnect the refrigerant line spring lock couplings.
- Discard the O-ring seals.
5. If equipped, remove the LH quarter trim panel.
6. Remove the auxiliary plenum chamber.
1 Remove the screw.
2 Remove the auxiliary plenum chamber.
7. NOTE: Do not spill any remaining coolant or refrigerant oil while removing the air conditioning and heater assembly.
Remove the air conditioning and heater assembly.
1 Remove the screws.
2 Remove the air conditioning and heater assembly.
INSTALLATION
1. To install, reverse the removal procedure.
- Lubricate the coolant hoses using plain water, if needed.
- Install new O-ring seals lubricated in clean mineral oil.
- Lubricate the refrigerant system with the correct amount of clean PAG oil.
2. Evacuate, leak test and charge the refrigerant system.
3. Fill the engine cooling system.