Question about 2004 Volvo S40

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2004 s40 volvo-ac works for 10 minutes then gets warm.

Ac works for 10 minutes then gets warm. I shut it off for five minutes then back on and it works/blows cold for another 10 minutes. Ant thoughts?

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Car ticks over but no power

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Evaporator leaking or condensor fan inop

Posted on Jul 31, 2009

  • pwhrmn01 Jan 17, 2011

    Had the same problem...what happened with mine was that when the compressor clicks pulls in the clutch plate to complete the circuit and start cooling the air....but the gap between the plate and the compressor housing has to be just right. Over time..the gap between the plate and the housing expands from the heat. You prob don't hear the click anymore after a little bit right?? To fix, remove the compressor clutch plate carefully and inside where the plate sits will be washers..just remove one or more and this will close the gap. If you have none in there..time for a new compressor. I saved $1000 doing that 10 minute job. My air is nice and cool!!! :)


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1998 Volvo V70 A/C Intermittent

I had exactly the same problem. When your engine is cold and off check the gap on your ac compressor with a feeler gauge, it should be between 0.3 and 0.5mm. If it is larger you need to re-shim which invloves undoing a nut on the end off the compressor and removing the clutch plate, then removing the appropriate shims (look like washers) then replace. The reason it blows warm after 10 minutes or so is because the ac compressor gets hot and the clutch gap gets too large for the electro-magnetic clutch to engage. Some people would say that you need a new compressor but all you need to do is a re-shim.

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2003 VOLVO S40

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