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Author Topic: air con pump  (Read 970 times)

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bobbertbear

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air con pump
« on: 06 July 2008, 20:24:16 »
should you be able to turn the pump by hand?
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Derek_in_Penzance

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Re: air con pump
« Reply #1 on: 06 July 2008, 21:15:56 »
If the compressor is on the workbench then yes, the clutch can be turned easily by hand, and you should be able to detect sucking from one of the outlets. I'm not sure about on the car, I'm sure it can be turned by hand, but there will be more resistance because of the refrigerant and oil in the system. If yours has seized solid there is something wrong.

Note that it is the very front disc piece that turns the pump, not the pulley, which will turn very freely without a belt on it.
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bobbertbear

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Re: air con pump
« Reply #2 on: 06 July 2008, 21:20:54 »
it does turn but very tight,also if i turn the air con on,the eml comes on an brings up code 87.
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bobbertbear

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Re: air con pump
« Reply #3 on: 06 July 2008, 21:49:01 »
code 87,Air Conditioning (AC) cut off relay Low voltage ,is this the relay at fault or power to it?
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FRE07962128

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Re: air con pump
« Reply #4 on: 06 July 2008, 22:05:24 »
Quote
it does turn but very tight,also if i turn the air con on,the eml comes on an brings up code 87.

On a 1996 3.0 Elite my compressor failed in Manchester and stopped the engine turning at all, with the AA scratching their heads to start with wondering why all my lights operated at full power, so proving it wasn't battery failure.  £1,000+ later (I was too busy working to do it myself)  I had my car running again with a new compressor! :'( :'( :'(
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bobbertbear

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Re: air con pump
« Reply #5 on: 06 July 2008, 22:15:06 »
only started this after i had pulled all the relays looking for the one for the radiator fans
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JasonH

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Re: air con pump
« Reply #6 on: 11 October 2008, 20:26:10 »
For code 87 check fuse 29 - that was my problem.
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