Engine Size: 3.0 L
Refrigerant Type: R12
Ambient Temp: 88F
Pressure Low: 30
Pressure High: 200
Country of Origin: United States
I was charging up the system after replacing the evaporator when the clutch appeared to start slipping. I had charged about 60-70% of a full charge and cool-to-cold air was starting to come out of the outlets. The clutch air gap is OK and the current draw is just under 4 amps. Voltage on the coil is 13+ volts.
While I was waiting to install the evaporator, the bearing in the compressor clutch started to sieze (it never completely siezed). It got hot enough that the coil was slightly distorted. I replaced the entire clutch and coil with known good parts.
I think I know the problem, but I want to seek the advice of this forum.
Also, please temper your advice with the fact that as soon as I get the AC working, this car is going to be sold. It's not due to the AC problem that it is being sold - it just has 231,000 miles and I'm ready for a little time of not having to constantly work on it!
Compressor is toast and most likely the system is filled with debris.
Where can I check for the debris? Look at the ports on the back of the compressor? Cut out the orifice tube and inspect there?
Try and drain some oil from the compressor. Cut open the liquid line and inspect the orifice tube. Cut open or drill a hole in the bottom of the accumulator. Inspect what may come out of it is my suggestions.
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