a/c not working
#13
So at this point, if you press the A/C button with the blower and engine running, the A/C button light illuminates, the condenser fan runs, and the compressor clutch engages, right? If so:
-Is the A/C belt tight?
-Is the A/C system stock? Is it an R12 or R134a system? If the latter, was it converted from R12?
-Prior to adding refrigerant, did you evacuate the system and replace the receiver/dryer? How much refrigerant did you add to the system?
-Do you have or can you get a manifold gauge set to measure refrigerant pressure on the low and high sides?
-Is the A/C belt tight?
-Is the A/C system stock? Is it an R12 or R134a system? If the latter, was it converted from R12?
-Prior to adding refrigerant, did you evacuate the system and replace the receiver/dryer? How much refrigerant did you add to the system?
-Do you have or can you get a manifold gauge set to measure refrigerant pressure on the low and high sides?
#14
yes the ac belt is on there tight and the a/c system is stock r12. The system was evacuated but the dryer wasn't replaced. At firs the compressor was making some noise but then added some oil and noise was gone. I will try to put some gauges on it to see the readings of the high and low side
#15
yes the ac belt is on there tight and the a/c system is stock r12. The system was evacuated but the dryer wasn't replaced. At firs the compressor was making some noise but then added some oil and noise was gone. I will try to put some gauges on it to see the readings of the high and low side
At 80F outside temp with the A/C running and the engine idling in the shade, the low side should read ~36 PSI and the high side should read ~320 PSI.
Last edited by RonJ; 07-24-2009 at 08:54 AM.
#19
yes the fan and clutch were engaged. I will try to replace my compressor sometime this weekend. Now someone was telling me that it could be my evap core or even my expansion valve. How can i tell if these are bad also?
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