1992 Chevy Van Air Conditionion Kicks on and off

ROBWSTN

MEMBER
1992 CHEVROLET VAN
V8
2WD
AUTOMATIC
11,500 MILES

With engine running and warmed up, I'll turn on the A/C. I can hear the A/C compressor kick in for about 2 seconds, then it "kicks out" for about 5 seconds. Then, it kicks in again for about 2 seconds, and then it kicks out for about 5 seconds. This goes on and on till I shut off the A/C.

With all of this, slightly cooler air does come from the vent, but certainly not what has been in the past.

Never had any issues with the A/C in the past.

Is there some type of relay or "switch" that needs to be replaced?

Many thanks!
Rob

5 Replies

MERLIN2021

MECHANIC
17,250 POSTS

Sounds more like it needs to be recharged!

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Wednesday, March 12th, 2008 AT 2:56 PM

RHALL77

MECHANIC
3,361 POSTS

You are low on freon. Need to refill and find the leak. Your cycling switch is turning the compressor on and off.

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Wednesday, March 12th, 2008 AT 2:57 PM

MASTER TECH DAN

MECHANIC
83 POSTS

System has leak and needs to have a dye put in it and recharged and rechecked for the leak

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Wednesday, March 12th, 2008 AT 2:58 PM

MERLIN2021

MECHANIC
17,250 POSTS

You might have a leak, but there is normal leakage in all auto a/c of an acceptable level, don't know off the top of my head what the limit for yours is, but after 16 years of service, I am not surprised that it needs a bit of refilling!

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Wednesday, March 12th, 2008 AT 3:25 PM

ROBWSTN

MEMBER
2 POSTS

Many thanks! Perhaps I've been lucky with this van; this is the first issue I've encountered.

Thank you for your quick and very timely responses! Now that you have provided me with some knowledge, this will certainly make my visit to the "garage" more tolerable!

Regards,
Rob