Search found 6 matches

by Donald
Wed Jul 19, 2017 4:33 am
Forum: Automotive Air Conditioning Procedures, Tips and FAQ.
Topic: Newly converted R12 to 134a system
Replies: 9
Views: 1314

Re: Newly converted R12 to 134a system

Hi Tim,

Got that. New pump is on the way.

Thanks again.

Don
by Donald
Tue Jul 18, 2017 12:58 pm
Forum: Automotive Air Conditioning Procedures, Tips and FAQ.
Topic: Newly converted R12 to 134a system
Replies: 9
Views: 1314

Re: Newly converted R12 to 134a system

Hi Tim Thanks, I get the bad compressor part. With 120 lbs or whatever the 120 means , indicate that the system is overcharged ? If so how can it be overcharged with 20 oz. of refrigerant? Just wondering. I will get another compressor and try again. Thanks for all your help. Cheers, Don
by Donald
Tue Jul 18, 2017 4:09 am
Forum: Automotive Air Conditioning Procedures, Tips and FAQ.
Topic: Newly converted R12 to 134a system
Replies: 9
Views: 1314

Re: Newly converted R12 to 134a system

Sorry, yes the clutch is engaged and is running continuously. 134 seems to be circulating as I can see the foam in the sight glass.
by Donald
Tue Jul 18, 2017 3:36 am
Forum: Automotive Air Conditioning Procedures, Tips and FAQ.
Topic: Newly converted R12 to 134a system
Replies: 9
Views: 1314

Re: Newly converted R12 to 134a system

OK , but why is the low side so high when the system only has 20 oz (undercharged)
by Donald
Mon Jul 17, 2017 4:35 pm
Forum: Automotive Air Conditioning Procedures, Tips and FAQ.
Topic: Newly converted R12 to 134a system
Replies: 9
Views: 1314

Re: Newly converted R12 to 134a system

I am back with some info for TiM. I took the time to finish the project by replacing the expansion valve and most of the O rings. I evacuated the system, still no leaks but I now have high and low reading. Aprox 20 oz in the system, no cold air but not ambient. warm day about 82 degrees. The system ...
by Donald
Tue Jul 11, 2017 1:14 pm
Forum: Automotive Air Conditioning Procedures, Tips and FAQ.
Topic: Newly converted R12 to 134a system
Replies: 9
Views: 1314

Newly converted R12 to 134a system

Hi All, I just converted my 92 Miata to 134a from R12. I replaced the compressor and drier but not the expansion valve. I didnt go the valve yet because it is very hard to get too. I evacuated the system and it does not appear to leak. I used ester oil in the compressor and drier. I installed 22 oz ...

Go to advanced search