Am I testing the A/C compressor properley
#1
Am I testing the A/C compressor properley
Hi,
Going though the testing of my A/C system. Attempted to test the compressor by disconnecting the single wire clip and sending 12 volts off the battery to the compressor. I got nothing. Just want to confirm I tested properly before confirming the compressor is toast.
Picture below- I sent 12 volts directly to the white clip you see hanging on the A/C line.
it is an 86 22re/5 speed
Going though the testing of my A/C system. Attempted to test the compressor by disconnecting the single wire clip and sending 12 volts off the battery to the compressor. I got nothing. Just want to confirm I tested properly before confirming the compressor is toast.
Picture below- I sent 12 volts directly to the white clip you see hanging on the A/C line.
it is an 86 22re/5 speed
#3
Thank you for the reply. So based on this test it seems the clutch needs replacing at the least.
I am also not getting the A/C button to light up when depressed and have checked the fuse as well as hear the relay click. The system is empty of R12 and I suppose that could be why the I get no green light.
I am also not getting the A/C button to light up when depressed and have checked the fuse as well as hear the relay click. The system is empty of R12 and I suppose that could be why the I get no green light.
#4
Registered User
You should hear the clutch energize when you put + voltage on the lead. You can also test the resistance of the stator coil. You should get 3.4-3.8 ohms (at 68 degrees F) between the lead and ground.
#6
Registered User
with no refrigerant in the system the cluch will not engage. the light should come on anyways , but maybe it does 't . jumper the low pressure control to see if the cluch is good.
#7
Ok so I ended up ordering a reman compressor. My Plan is put it on, replace dryer and expansion valve. Replace all o-rings and swap in R-134a compatible oil and charge. Anyone see an issue with this plan? If it does engage at this point I would have to assume I am down to fuse/relay or switch under the dash.
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#8
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Hi,
Going though the testing of my A/C system. Attempted to test the compressor by disconnecting the single wire clip and sending 12 volts off the battery to the compressor. I got nothing. Just want to confirm I tested properly before confirming the compressor is toast.
Picture below- I sent 12 volts directly to the white clip you see hanging on the A/C line.
it is an 86 22re/5 speed
Going though the testing of my A/C system. Attempted to test the compressor by disconnecting the single wire clip and sending 12 volts off the battery to the compressor. I got nothing. Just want to confirm I tested properly before confirming the compressor is toast.
Picture below- I sent 12 volts directly to the white clip you see hanging on the A/C line.
it is an 86 22re/5 speed
The shaft would not turn.
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klavender1
86-95 Trucks & 4Runners
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08-15-2015 01:51 PM