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by Fussybob
Sun Aug 09, 2020 2:07 pm
Forum: Automotive Air Conditioning Forum
Topic: Very weak cooling suddenly?
Replies: 6
Views: 616

Re: Very weak cooling suddenly?

Al9 wrote:Good, so you replaced a dying comp in time before it had a chance to seize up and do more damage. Enjoy your cold air.


Yes, I found no metal on the orifice valve, but it was clogged with other muck.
by Fussybob
Sun Aug 09, 2020 9:07 am
Forum: Automotive Air Conditioning Forum
Topic: Very weak cooling suddenly?
Replies: 6
Views: 616

Re: Very weak cooling suddenly?

Just as a follow up....

I replaced the compressor, accumulator, orifice tube, flushed the system, added 8 oz of PAG150 oil, pulled vacuum with no leaks, added 30 oz of 134A Freon.

Everything is fine, 40 degrees F out of the vents on an 86 degree, 52% humidity day.
by Fussybob
Sun Jul 26, 2020 7:13 pm
Forum: Automotive Air Conditioning Forum
Topic: Very weak cooling suddenly?
Replies: 6
Views: 616

Re: Very weak cooling suddenly?

It's a 1988 Buick Park Avenue Electra with 3.6L engine. According to the service manual and what I can see visually, the system uses an Orifice Tube. HR6, DA6 Compressor w/ Clutch From all my data does this look like a bad compressor, and nothing else? The clutch bearing is making noise so I'm going...
by Fussybob
Sun Jul 26, 2020 1:24 pm
Forum: Automotive Air Conditioning Forum
Topic: Very weak cooling suddenly?
Replies: 6
Views: 616

Very weak cooling suddenly?

I hope someone can help me. 1988 Buick clutch/orifice tube system. Converted to R134A 15 years ago. Cooling was great yesterday at startup when driving for 5 miles and the suddenly very poor/no cooling. Under normal working AC system interior center vent would give 38 - 42 degrees F output air Check...

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