Air Con Compressor

[silverstarcars]

Hi Just bought a 1996 GS300 with faulty air con. When you press the AC switch on the dash the light comes on for a couple of seconds and you can see the engine revs increase on the tach however after a couple of seconds the revs decreases back to normal idle speed and at same time the AC light starts blinking. Had a mobile AirCon man come have a look it he recons it needs a new compressor. Does anyone know if this really is the case or is there anything else that might need looking at? There is enough gas in the system.

[randyreindeer]

Does it not just require re-gassing? I think the motor has a built in cut off when it detects no or low pressure in the system.

[Tony9r]

The blinking light on the switch is telling you that the compressor is not working :winky:

[silverstarcars]

There is enough gas in the system as the air con man checked this and I know that the compressor doesnt work, what i'd like to know is if there is something else that might cause the compressor to fail to stay switched on, as currently it does come on for a couple of seconds and then automatically switches off. Just trying to avoid the big expense of replacing the compressor if at all possible.

[MAC_600]

The blinking light on the switch is telling you that the compressor is not working :winky:

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Same on mine :tsktsk: had a new condensor and pipework last year only for the compressor to go

Lexus - £800 for a new one and £500 for a recon/exchange unit.

My aircon chap recons that he can get the same thing cheaper though from the original manufacturer.

[ColinBarber]

There is enough gas in the system as the air con man checked this and I know that the compressor doesnt work, what i'd like to know is if there is something else that might cause the compressor to fail to stay switched on, as currently it does come on for a couple of seconds and then automatically switches off. Just trying to avoid the big expense of replacing the compressor if at all possible.

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I think the system produces error codes to help diagnose the fault.

[ColinBarber]

Have a look at this thread, half way down Guy has posted the procedures:

http://us.lexusownersclub.com/forums/index...hl=error++codes

[silverstarcars]

Have a look at this thread, half way down Guy has posted the procedures:

http://us.lexusownersclub.com/forums/index...hl=error++codes

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Thanks Colin, will have a look at that also I've got the car booked in with another air con specialist for tomorrow morning.