1993 Toyota Corolla My Air Conditioning doesn't cool

Tiny
JIMMYSALLA
  • MEMBER
  • 1993 TOYOTA COROLLA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
Hi,

I last year I bought this car and the A/C was not working. So I checked the pressure on low side valve and saw that there was no coolent in it. At this stage it had R12 valve. I put a r134 valve on it and filled with r134 coolent it was working fine. But now it doesn't cool at all. The compressor start but doesn't cool. I checked pressure and it is in 70psi. Suggest me what shud I do to get it working.

Regards,
Jimmy
Sunday, April 19th, 2009 AT 9:50 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
When you switch to R134A you should also change all the seals and use a different oil.

You most likely have a leak somewhere.

Best advice it to take to an AC shop and have it repaired, or change all the seals, but it is illegal to vent 134A to atmosphere.
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Monday, April 20th, 2009 AT 7:29 AM

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