anyone with a 96 FSM, a/c line pressures? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-02-2006, 09:06 PM   #1
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Default anyone with a 96 FSM, a/c line pressures?

i'm fixing my compressor tommorow and refilling later this week, what should the pressures be for a 96?
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Old 07-03-2006, 12:55 PM   #2
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Do you by chance know if its an H6 or V5 compressor?

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Old 07-03-2006, 01:39 PM   #3
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no idea, should it say it on the compressor?
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Old 07-03-2006, 01:46 PM   #4
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Quote:
Originally Posted by NERV
no idea, should it say it on the compressor?
If I could look at it I could tell by the Body of the Compressor...

A lot of the time the pressure in the system will depend upon the Ambient air temps, as well as Humidity level... I believe that the V5 has a bit more pressure than the H6...

95'* had the H6, 97'* had the V5... I'm not sure of the 96 Model year... Hopefully one of the members with a 96 service manual will chime in..

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Old 07-03-2006, 01:55 PM   #5
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I have them, but wont be able to look anything up until wednesday night when I get home
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Old 07-03-2006, 03:12 PM   #6
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My 96 Park Avenue has the V5, and I'm not sure what the specs say the pressure should be running at, but when I had gauges on it, with the A/C on full blast at idle, it was at 30 psi, and then I reved the motor up, it dropped to 25 psi and stayed put. Even with the fan on low and the motor reved up, it would stay on 25 psi. So, I would say wou should be shooting for 25 psi, but that'* only what I saw my car running at, and the A/C works almost too good in it. The high side through out was from 170-190 psi, but it was only about 80* outside with almost no humidity. I think as long as the high side is under 250 psi, your fine.
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Old 07-06-2006, 12:25 AM   #7
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I've been reading around, and it seems that the consensus is that the V5'* should run the low side at 45-50 psi, and 25 psi would indicate a low chage of freon. Hummm?????? I'm going to do some investigation, because if this is so, I'm low on freon!
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Old 07-06-2006, 09:12 AM   #8
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I've been reading around, and it seems that the consensus is that the V5'* should run the low side at 45-50 psi, and 25 psi would indicate a low chage of freon. Hummm?????? I'm going to do some investigation, because if this is so, I'm low on freon!
There'* an old addage for this one.. if it ain't broke...don't break it!
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