Engine Size: 4.0L
Refrigerant Type: R134
Country of Origin: United States
For short tips the air conditioner seems to work fine. On longer trips 1/2 hour or more (usually) the air conditioner will work fine at first and then start blowing warm air. I have started it at home and watched it and it seems to work fine, compressor starts, cooling fan comes on runs for a while, shuts off and start again. Compressor stays running all the time. When it cuts off on a longer trip I have opened the hood and have noticed that the compressor has cycled off. If I leave it off for awhile it will start running correctly for awhile once again. But if left running for a long time will go back into the compressor off cycle. At this point I do not have a manifold gauge, only the gauge that came with the refill kit. Low side pressure reads good. Any an all help would be greatly appreciated. I'm about ready to try replacing the high side switch, but don't want to unless I have good reason to believe that's it. Living in the country it's hard to find a good ac shop nearby.
Need actual pressure readings. Along with how much refrigerant is in the system.
Wide air gap- coil can't pull it in when coil is hot-- re-adjust your air gap down to .020" - it is probably near .060" now.
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
Tim, I think we need a popup when posting a question that we can't help with kit questions and they're pretty much on their own. Is it really bad this year, or just my imagination.
A lot of vehicles are gonna end up really screwed up A/C systems, and of course no cooling... just in time for a summer that looks like it will be very hot.
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