I was trying to charge up my AC with a wal-mart can of r-134a with the gauge on it. When I hook up the gauge with the truck running I can here the ac compressor click in and out about ever 5 seconds. The gauge goes from low to overfull when it clicks over. The ac was only working on MAX AC last summer and now it doesnt blow cold at all. I was afraid to put any r-134a in it because it goes from low to overcharged.
Any Ideas? Maybe an ac relay? Should I just add some r-134a anyway?
Any Ideas? Maybe an ac relay? Should I just add some r-134a anyway?