Air conditioner problem

1979 BUICK ELECTRA
78,200 MILES • 5.7L • V8 • AUTOMATIC
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MARTINEZ820
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  • 1 POST
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.
Jul 15, 2019 at 2:37 PM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 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
Jul 16, 2019 at 3:41 AM