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wills928's Avatar
 
Join Date: May 2010
Location: philadelphia pa
Posts: 136
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compressor

is there any way to test an ac compressor once its off the car?

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wjcoleman
84 928
1986 suzuki gsxr1397cc
"8's and lookn 4 da "7"s
Old 08-10-2010, 06:37 PM
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Kyle C
 
Join Date: May 2010
Location: Connecticut
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Are you trying to test the compressor itself or the compressor clutch? Did you remove the compressor because the system was not working?
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1974 911
1978 928 5spd hillclimb special
1984 928S 5spd, 1986.5 928S auto
1983 944, 1984 944 track car
1995 Saab 900 S, 1997 Saab 900 Turbo, 1999 Saab 9-3 S
Old 08-14-2010, 07:47 PM
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Clutch, I took it off a parts car I have
Old 08-14-2010, 08:29 PM
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Location: Tuckerton NJ
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Put 12 V to the wire going to the clutch and touch the ground to the compressor body, it should snap in.
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86.5 Porsche 928, 75 Porsche 914, 2.0, 2001 Boxster.
Old 08-15-2010, 03:54 AM
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You would need a functional AC system with a drive belt to test it, which is why I wouldn't bother installing a unit that wasn't either rebuilt or from a known working car, and the second option is iffy. Good rebuilts are around for as little as $200 shipped, why risk the time and freon with a maybe ok and for how long compressor?

OTOH if I were to do it again, instead of a good rebuilt I would switch to a Sanden scroll compressor (newer type rotary thing).

Old 08-15-2010, 02:43 PM
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