If Recharging Is Completed Successfully/Unsuccessfully; Compressor - MG MG6 Series 2011 Service Manual

HVAC System
If Recharging is Completed
Successfully/Unsuccessfully:
If Recharging is Completed Successfully:
1. Close high pressure side valve on the service station.
2 valves should be closed.
2. Start the engine and A/C system.
3. Keep engine running until the high and low pressure
side meters show steady reading.
4. Compare the reading with specifications.
5. Check evaporator outlet temperature to ensure the
data consist with specifications.
6. Keep the A/C system running.
7. Close high pressure side valve.
8. Disconnect high pressure side hose from the vehicle.
9. Open high and low pressure side valves. The remaining
refrigerant in both hoses will be sucked into system.
10. Close low pressure side valve.
11. Disconnect low pressure side hose from the vehicle.
If Recharging is Completed Unsuccessfully:
Sometime the refrigerant can not be charged in the system
completely. There are two following reason could be:
1. The pressure in refrigerant tank is same as the pressure in
the A/C system.
• Cause recharging procedure to be too slow.
• Refer to user's manual for the information about service
station.
2. There is not enough refrigerant to be recharged into
system.
• Recycle the refrigerant has been recharged, evacuate the
system and recharge it.
• Refer to user's manual for the information about service
station.
Version 2.0

Compressor

Remove
1. Disconnect battery earth lead.
2. Recover refrigerant from A/C system.
Refrigerant recovery recovery
Refrigerant Refrigerant recovery
3. Remove undertray.
Undertray Undertray - - - assembly Undertray assembly assembly remove
4. Release tension on ancillary drive belt and remove drive
belt from compressor pulley.
Drive Drive Drive belt belt remove belt remove remove
5. Remove 2 bolts securing A/C pipes to compressor and
release pipes from compressor.
Caution: Always fit plugs to open connections to prevent
contamination.
6. Remove and discard O-rings from A/C pipes.
7. Disconnect compressor multiplug and release harness
clips.
8. Remove 3 bolts securing compressor to mounting
bracket.
9. Manoeuvre compressor from engine compartment and
remove compressor.
Refit
1. Renew desiccant pack in condenser.
Drier desiccant desiccant bag bag refit
Drier Drier desiccant bag
2. If a new compressor is being installed carry out the
procedure for filling the replacement compressor with
oil.
Air Conditioning Air Air Conditioning System Conditioning System Precautions. System
3. Lubricate new A/C pipe O-rings with clean refrigerant
oil.
4. Position compressor to mounting bracket, fit and
tighten bolts to 22-28Nm
5. Connect compressor multiplug and secure clips.
6. Remove plug from compressor and position A/C pipes,
fit bolts and tighten to 19-25 Nm
HVAC Structure
remove remove
refit
refit
Precautions. Precautions.
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