Search found 22 matches

by Mikel
Mon May 27, 2024 3:01 pm
Forum: Automotive Air Conditioning Forum
Topic: '66 Oldsmobile problems
Replies: 9
Views: 3032

Re: '66 Oldsmobile problems

Tim wrote: Mon May 27, 2024 2:59 pm Turn the compressor shaft using a rachet and cover the suction port with your thumb. See if you have suction directly from the compressor. A6 are pretty solid compressors besides the normal shaft seal leaks.
Thank you.
by Mikel
Mon May 27, 2024 2:42 pm
Forum: Automotive Air Conditioning Forum
Topic: '66 Oldsmobile problems
Replies: 9
Views: 3032

Re: '66 Oldsmobile problems

How long did you pull a vacuum? The markings on the low side gauge are very inadequate. If you do not have a vacuum gauge you would need to vac for at least an hr. Also if you used the gauge markings to show that it held vac, then you were probably misled Half hour. I have a standard set of gauges....
by Mikel
Sun May 26, 2024 6:34 pm
Forum: Automotive Air Conditioning Forum
Topic: '66 Oldsmobile problems
Replies: 9
Views: 3032

Re: '66 Oldsmobile problems

It was an old A6 I had that I resealed it some years ago. I used a lip shaft seal, rather than the ceramic seal. It is leaking from there after a few summers of working well.

It had Duracool, a hydrocarbon refrigerant.

Thanks.
by Mikel
Sun May 26, 2024 5:34 pm
Forum: Automotive Air Conditioning Forum
Topic: '66 Oldsmobile problems
Replies: 9
Views: 3032

'66 Oldsmobile problems

Hello, I was helping a friend of mine with the A/C in his car, a '66 Toronado. The system had been working well until it lost its charge last year. We pulled a vacuum (it held for 30 minutes) and began adding refrigerant (R152A). It didn't see to be drawing much refrigerant and both the high and low...
by Mikel
Sun May 26, 2024 5:33 pm
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 13
Views: 12655

Re: 1966 Oldsmobile A/C

tbirdtbird wrote: Sun May 26, 2024 5:11 pm You really need to incorporate your questions on a separate thread else the staff members such as Dougflas and others may not see it
Will do. Thanks.
by Mikel
Sun May 26, 2024 1:55 pm
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 13
Views: 12655

Re: 1966 Oldsmobile A/C

Hello, I was helping a friend of mine with the A/C in his car, also a '66 Toronado. Yes, the one-eyed leading the blind. The system had been working well until it lost its charge last year. We pulled a vacuum (it held for 30 minutes) and began adding refrigerant (R152A). It didn't see to be sucking ...
by Mikel
Tue Apr 14, 2020 11:44 am
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 8
Views: 11068

Re: 1966 Oldsmobile A/C

What is puzzling to me is that the hose from the expansion valve going into the evaporator is just mildly cool. But from the middle of the POA downstream, it has frost forming around it, as if the POA was acting as an expansion valve. I supposed it could be clogged internally in some way, but it see...
by Mikel
Mon Apr 13, 2020 5:02 pm
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 8
Views: 11068

Re: 1966 Oldsmobile A/C

bohica2xo wrote:Ok, why are you running 152a?

And why is the POA set to 30 psi?

.

R152A as a R12 alternative. I was under the impression that 30 PSI was the correct pressure for R12.

Thanks.
by Mikel
Mon Apr 13, 2020 9:53 am
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 8
Views: 11068

Re: 1966 Oldsmobile A/C

Hello,
By rebuild, I should have said disassembly, cleaning and resealing. Nothing inside looked worn out.
Thanks.
by Mikel
Sun Apr 12, 2020 8:28 am
Forum: Automotive Air Conditioning Forum
Topic: 1966 Oldsmobile A/C
Replies: 8
Views: 11068

Re: 1966 Oldsmobile A/C

It does seem very low to me too. But if the system called for 48oz of R12, it is already filled to 60% of that in R152A. I don't want to overcharge it.

Thanks.