Air Conditioning (A/C) Compressor - 3.5L GTDI: Removal
WARNING:
Before beginning any service procedure in this service information, refer to SAFETY WARNINGS
NOTE:
If installing a new A/C compressor due to an internal failure of the old unit, carry out the following procedures to remove contamination from the A/C system. Failure to remove contamination will result in poor A/C performance and/or damage to the A/C system components.
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If Air Conditioning (A/C) flushing equipment is available, carry out flushing of the A/C system prior to installing a new A/C compressor. Refer to Air Conditioning (A/C) System Flushing
- If A/C flushing equipment is not available, replace all contaminated components after a new A/C compressor has been installed.
- Install a new TXV, as directed by the A/C flushing procedure.
- Install a new receiver/drier desiccant cartridge as directed by the A/C flushing procedure.
NOTE:
Installation of a new receiver/drier desiccant cartridge is not required when installing a new A/C compressor, except when there is physical evidence of a failed A/C compressor, or damage to the receiver/drier desiccant cartridge.
- 1.
With the vehicle in NEUTRAL, position it on a hoist. For additional information, REFER to Jacking and Lifting .
- 2.
If flushing of the A/C system has not been carried out, recover the refrigerant. For additional information, refer to Air Conditioning (A/C) System Recovery, Evacuation and Charging .
- 3.
Remove the accessory drive belt. For additional information, REFER to Accessory Drive .
- 4.
Remove the A/C compressor.- Detach the wire harness pin-type retainer, disconnect the field coil and control valve electrical connectors.
- Remove the A/C compressor suction and discharge fitting nuts and disconnect the fittings.
- Tighten to 20 Nm (177 lb-in).
- Discard the O-ring seal.
- Remove the A/C compressor mounting nut, completely loosen the A/C compressor mounting stud, remove the A/C compressor bolts and remove the A/C compressor.
- Tighten to 9 Nm (80 lb-in).
