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Gary, Australia Car Mechanic
Category: Australia Car
Satisfied Customers: 1115
Experience:  Senior Technician
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VY 2003 Model Commodore Air Con Compressor not Kicking in

Customer Question

VY 2003 Model Commodore
Air Con Compressor not Kicking in
Removed relay bridged terminals and it engaged tested relay in another part of the car appeared to work fine now not sure where to go from here?
Submitted: 1 year ago.
Category: Australia Car
Expert:  Gary replied 1 year ago.

Hi there,

More than likely low gas, so a leak should be evident, under a UV test light.

The low/high pressure switch disables the compressor if either low or high pressure exists.

Was the A/C system only marginally cold and now not working at all?


Customer: replied 1 year ago.
Air Con was working fine up too a eadiator replacement.
Expert:  Gary replied 1 year ago.

Hi again,

Do both radiator fans operate with A/C on?

If compressor is on initially, and both fans aren't on, you need to chase why the second fan is not on.

Or possibly an A/C pipe has been damaged when the radiator was replaced and now you have a low gas charge.


Expert:  Gary replied 1 year ago.

Hello again,

Have you found anything wrong on your car as I have suggested?