Chevrolet Forum - Chevy Enthusiasts Forums - AC compressor cycles on and off 1987 even after charging

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sqrbdy

October 21st, 2017 10:25 PM

AC compressor cycles on and off 1987 even after charging

AC Compressor cycles on and off on 1987 c-10 I just bought. Charged with UV but no visible leaks and still cycling on and off. Next step?

Rednucleus

October 22nd, 2017 1:22 AM

Sorry to be dense, but isn't it supposed to cycle? Is it doing it at an incorrect rate?
BTW welcome! You will find a lot smarter folks here than me!

oilcanhenry

October 22nd, 2017 5:55 AM

Quote:

Originally Posted by sqrbdy (Post 345999)

AC Compressor cycles on and off on 1987 c-10 I just bought. Charged with UV but no visible leaks and still cycling on and off. Next step?

Some A/C units cycle and some dont. All that really matters is that the cool air temp at the outlets is between 38 and 45 degrees F or so when driving.

tech2

October 22nd, 2017 10:26 AM

if the compressor short cycles, on and off every 15 seconds...the system probably has a low charge. have the system recovered and if the recovered amount it low...it either wasn't filled to the proper level or you have a leak.

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