Yesterday we reached 90 degrees and there wasn't any cold air blowing from my 1960 factory A/C. This unit was converted to R134a some time ago before I bought the car. The compressor comes on. I thought I'd get those single low pressure side refrigerant kits and add 134 if needed.
Now that it is 55 degrees, the low side will go up to 75 PSI before running the engine. After starting, the low pressure reading might even go to 85.
I've read this could be a faulty bypass control valve or a "weak" compressor, whatever that means.
It sounds like a job for Superman.
Dean
Now that it is 55 degrees, the low side will go up to 75 PSI before running the engine. After starting, the low pressure reading might even go to 85.
I've read this could be a faulty bypass control valve or a "weak" compressor, whatever that means.
It sounds like a job for Superman.
Dean
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