have '95 lumina car with frozen pulley on the a/c compressor; am
thinking about doing the change myself, but am a bit leery after
reading in my trusty Haynes manual about relieving the 'high pressure'
in the system. how difficult would the change be??? any info
First off, it may just be the compressor clutch part that's seized up
(assuming that's separately replaceable), as that's all that will be
rotating when the A/C is not engaged.
If you do have to replace the compressor, you'll need a vacuum/recovery
system to evacuate the charge on the system and then proper equipment to
recharge the system afterwards. You can't do it properly otherwise, so
better get a mechanic to do it.
Robert Hancock Saskatoon, SK, Canada
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Call an AC shop
Most will remove your R12 or R134a for FREE
: hi all,
: have '95 lumina car with frozen pulley on the a/c compressor; am
: thinking about doing the change myself, but am a bit leery after
: reading in my trusty Haynes manual about relieving the 'high pressure'
: in the system. how difficult would the change be??? any info
This reminds me of the repair manual for my old '75 Dodge pickup. It
explains how you should hook up a refrigerant hose to your low side and run
the hose to a suitable container (it suggests an empty coffee can) to catch
the oil as you vent the refrigerant pressure.
Of course, this will get you very broke very quickly if the epa finds out
you did it that way.
It takes very expensive equipment to do it right and legal. This is why the
shop has to charge you a couple of arms and an eyeball to fix your a/c
system? If you have an evaporator leak, then it'll be at least your
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