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Message
re: OT mechanic help/advice
Posted on 8/14/22 at 12:12 pm to Pedro
Posted on 8/14/22 at 12:12 pm to Pedro
Find the refrigerant charging connection. Usually right on the end is a self-sealing pressure switch which controls engaging the pully that runs the compressor.
Once you find it, turn on the car .. and the A/C. If the compressor pulley is not turning, tap on the switch with a wrench (lightly). If the pulley engages and starts turning, then you only have a bad pressure switch to replace.
They are self-sealing, so no need to evacuate the refrigerant. Just buy the switch and replace (usually around $20).
That is the easiest troubleshooting to do, and since you have not lost the charge, most likely the first place a shop would look.
Once you find it, turn on the car .. and the A/C. If the compressor pulley is not turning, tap on the switch with a wrench (lightly). If the pulley engages and starts turning, then you only have a bad pressure switch to replace.
They are self-sealing, so no need to evacuate the refrigerant. Just buy the switch and replace (usually around $20).
That is the easiest troubleshooting to do, and since you have not lost the charge, most likely the first place a shop would look.
2
Posted on 8/14/22 at 12:30 pm to Tigers58
The belt runs the alternator and a/c. If the belt was a little stretchy, and the a/c compressor pulley is seizing, the alternator pulley may have been slipping and working the alternator too hard.
Make sure the a/c clutch engages when the a/c is turned on and that the a/c pulley is turning properly. See if any compressor oil has been slung on the underside of the hood. If seizing, may need new compressor $$$
Check cycle switch as stated above.
Good luck.
Make sure the a/c clutch engages when the a/c is turned on and that the a/c pulley is turning properly. See if any compressor oil has been slung on the underside of the hood. If seizing, may need new compressor $$$
Check cycle switch as stated above.
Good luck.
Posted on 8/14/22 at 4:21 pm to Tigers58
Having trouble finding that switch. The refrigerant charging port is on the left side of the engine. Would it be further back on that same line towards the cabin or further towards the front?
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