And the bubbles in the service cap if u have freon in the system and u remove cap and have bubbles u need to replace the port if u take a hose off of the service port and u see a little bubbling it's not a concern unless it doesn't stop after a few seconds

U add the oil thru the low side of the system add a little to the dryer before installing and compressor and depending on temp of outside without a machine or scale it's hard to measure I've always filled with gauges and a 30lb cylinder you should read around 30-35 on low side 200-250 on high side i...

Also one last thing never jump in the relay box unless you know what wire is doing what if you were to put power or ground to the wrong terminal you could sort out the computer then really have a problem. Grab a working diagram flip the relay box over find the wires going to that relay and see if th...

You can cut the AC on in the cab but if pressure is too high in lines or empty compressor is not going to come on u have to vac the whole system down charge thru both sides until it quits filling then close lines off crank car turn on ac at this point compressor should cycle on and off rapidly or qu...

Hi I'm working on a 02 Dodge Durango with front and rear ac the rear doesn't blow cold the front is cool but not cold as it should be I just replaced compressor expansion valve and dryer under hood vacuum down the system waited a hour it held started to charge with gauges and can of freon got it to ...

Hi I'm working on a 02 Dodge Durango with front and rear ac the rear doesn't blow cold the front is cool but not cold as it should be I just replaced compressor expansion valve and dryer under hood vacuum down the system waited a hour it held started to charge with gauges and can of freon got it to ...