pogo69

hi all, my 99 3.5 intrigue blows warm air...the system has a full freon charge and the compressor is cycling on and off. does someone know what part could have failed??

thanks

rennoc442

Need more info. How do you know the system has a full charge of refrigerant? Did you hook up a set of gauges and take a read when the system is cycling on/off?

pogo69

yes system was checked with gauge

rennoc442

Again you need to leave more info???? I guess you do not want help that bad??

AZ455

The compressor cycling on and off could be a sign of low refrigerant. It'll run, pull down the low side pressure, then the low pressure switch will kill it... and so on.

Did you have a gauge set hooked up to read both the high and the low side? You cannot determine proper charge from the low side alone (what most do-it-yourself kits have a gauge for). The pressure will try and equalize with the compressor off, so the low side will read higher than if the compressor was engaged.

What where the gauge readings? Compressor running or not?

pogo69

thanks for the reply AZ...only used the gauge on the low side it was in the green and dropped a bit when compressor cycled. when i opened valve to give it freon it wouldnt take any...it bubled out of the can valve

txtom

its an electical relay. have the same problem with my gm pick up. the part has failed twice in the last 3 years.