Recent content by therealgeronimo

So I gave up and went to a local GM dealership. I was low on refrigerant, and they charged the system back to 3 lbs and now I have cold A/C. He said the back system will run on lower pressure as it is a smaller system than the one in for the front. I also found out I have a leak on the O ring...

Does anyone have a pic of the low pressure switch on the ac system? I called a mechanic and he said to remove and jump it to ground. If I ground it and it starts to work I have found my culprit. It should have a schrader valve behind it to prevent having to capture/replace freon.

GMCYukolade your compressor has to be working if you have rear air as our trucks only have one compressor for the front and back systems. You should be able to hear your compressor coming on and off. It is located on the top of the accesories that run off the motor with the aluminum tubes...

Well it is not the blend doormotor. I took the motor off and manually moved the door to full ac and to full heat and at full ac had the same problem. Somewhere I have a switch that is not letting freon through the front system as the evaporator is not getting cold or sweating. I am assuming...

My A/C blend door in my 99 hoe is not moving all the way to the cold position. It is moving but the gears are apparently stripped near full A/C. I can hear it moving and feel the change in temp but it does not get to really cold AC. I have a great charge on refrigerant and the rear air is...

Did you ever fix the AC problem with the front/rear air? My truck just started the same thing today, when it got to 105 degrees!