Air conditioner problem

MARTINEZ820

MEMBER
1979 BUICK ELECTRA
5.7L
V8
AUTOMATIC
78,200 MILES

I just bought this car limited model and the A/C is broken. I don't know how to tell if it still has an r12 system or a 134a system. I want to fix it myself but I don't know how to tell if it is or what to do.

Monday, July 15th, 2019 AT 2:37 PM

1 Reply

ASEMASTER6371

MECHANIC
52,797 POSTS

Good morning,

You can tell by the fittings. Your year indicates it is a R12 system.

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Does the compressor even engage? I would suggest getting a set of gauges for the R12 system and see if there is any pressure in the system.

Roy