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Old 07-20-2009, 10:38 AM
Ben and Ben Ben and Ben is offline
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a/c problem 1997 venture

Hi, when I bought the car the condensor of the A/C had a leak (not working).
I replaced it and have it tested and filled now, no leaks.
No cold air though.

When I push the A/C button the sound of the motor changes.
If I look at the compressor (the part at the drive belt, right name correct?) the middle part is not moving, I can move it by hand when the engine is off.
Checked the fuses and relay and that is fine, replaced the relay with the horn relay.

The 2 blowers at the radiator where in operation when I started, was hot outside and they kicked in right away.

Can I measure something at the compressor or bypass for testing (read something about a newer model where you can make a bypass for testing.)
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Old 07-20-2009, 12:36 PM
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Re: a/c problem 1997 venture

Please don't bypass system- you risk electrical damage to your car's computer!!

You may have a low charge refrigerant code set- unhook neg batttery terminal for 10 seconds toreset code- then compressor should come on if it has refrigerant in the system.

Other than that, the compressor air gap may be too wide-
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Old 07-21-2009, 10:46 AM
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Re: a/c problem 1997 venture

Battery unhooked, no change.
Measured the voltage at the connector of the compressor, when airco switch is on I measure 14 V so that part is working.

I don't have a measuring tool for the air gap at the moment, will get it.

So if the air gap is ok, is the compressor fixable or should it be completely be replaced?
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Old 07-21-2009, 11:23 AM
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Re: a/c problem 1997 venture

If air gap is okay, then you have a compressor coil problem- which is also replaceable--

If air gap is too wide, then you can adjust it with a "borrowed" tool from Autozone.
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Automotive A/C Engineer with:
'99 IH 4700 Toy Hauler
(2) '95 GEO Prizms both maroon
'99 GMC Yukon
'95 Chev 3500, 454 Dually Crew Cab- 145k miles-
Wife's Camel trailer puller.
'94 Astro- 370k miles
'94 Firebird Formula- 5.7L 180k miles- gone-
'92 Chevy Lumina Van 3.8L 264k
'86 GMC S-15 - 2.8L 154k
'87 Buick Park Ave . 187k
'86 Buick Park Ave 3.8L 199k miles- gone
'77 Chevy Vega- 2.5L 175k miles gone but not forgotten
'68 Camaro 396 4 spd RS/SS -72k miles-
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Old 07-22-2009, 03:10 PM
Ben and Ben Ben and Ben is offline
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Re: a/c problem 1997 venture

Hi, the air gap is ok, so I will have to replace the compressor coil.
Do you know where to get one? Searched ebay but was not there.
I live in the Netherlands so I will need some online store.
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