I have a 94 integra with working a/c. Now, the a/c wasn't so cold this summer, so I did some pressure tests, and filled up the a/c. It "seems" like there is a leak as the a/c doesn't remain cold all the time. Upon a pressure test of the system, it holds the right amount of a/c.

I did notice today that when we were tooling with it, the a/c compressor will cycle on and off very frequently. It will engage for only 2 seconds, then stop for about 5-10, and continue to do this.

Is there something wrong, or is this how it is supposed to work on Integras? It just doesn't seem right. Not sure where to check, all fuses and relays are working, a/c has enough refrigerant and pressure.

Thanks.

 

A compressor that turns on and off constantly, "short cycling" is a sign of a low refrigerant charge, a low charge will cause short cycling at any RPM.

A weak compressor could result in poor or no cooling at low RPM and OK cooling at higher RPM.

A weak clutch coil could be the problem.

A weak clutch relay can cause the problem.

A defective pressure switch could be the problem, it's easy to check, with engine running and A/C on, unplug it and use a jumper to connect the two leads, [yellow/white and blue/red

First thing I would check is the condenser fan, no airflow would result in high head pressure and poor cooling.

 

^^what he said. i just had to replace my pressure switch today

 

good response, props

 

try ac clutch relay. worked for me it was 21 bucks at dealer.

 

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