Aug 2020 previous owner took truck into ASE NAPA Service Center (24mo/24kMls Warranty)
to have the Air Conditioner repaired. Was charged for Replacing the A/C Compressor Belt, Tensioner, Accumulator and recharged it with added dye. We bought it a week later. within 400 miles, the Fluid blew out in the engine compartment, we took it in for repair. "They" said, could find nothing wrong, maybe something didn't seat right?! Now AGAIN, the first time we used it this season, it did it again, called in for appt., They said, "Something" is causing pressure to build, Appt. THREE weeks out in record setting temperatures, I am NOT happy! What could cause this? I am concerned they may have actually NOT done the work they said they did, thinking, knowing the long time customer of theirs was bringing it in to make repairs to sell it, thinking they would never see it again, and charged him for it anyway? and now maybe trying to milk their way thru the warranty period with a temporary recharge instead of really fixing it? Am I being paranoid, or why hasn't this ASE certified Napa Shop been able fixed this issue in two visits? Suggestions on what could be causing this pressure and blowing the fluid out repeatedly would be appreciated.Thanks in advance ~Wendall
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Had exact same problem with my 2006 Chevy Silverado 1500. Would blow hot air thru drivers vents only and sometimes if I turned truck off and restarted would blow air conditioner for a bit. Rec'd recall letter from Chevrolet in January for this problem.
1.)heater core restricted-check both heater hoses coming from the heater core if one is cold your heater core is restricted and you will need to flush the core.
2.)Your air mix door actuator in the vehicle is inoperative and you will need to replace it.It is located on the bottom of the heater case in the center of the vehicle.It mounts straight up with a couple bolts.
First of all you need to get this problem fixed ASAP. While the airbag light is illuminated, your SDM (Sensing and Diagnostic Module aka: the brain of your airbag system) shuts of power to the airbags. In which, if you are in an accident your airbags will not deploy while this light is illuminated. You need to take your vehicle to a GM dealership. A Tech 2 scantool is needed to retrieve the code from the SDM. Hopefully it won't be a costly repair, but is something that defineatly needs to be corrected soon. Good luck and hope all works well.
The fuse is either in the fuse compartment on the side of the dash when the drivers door is open, or under the hood on driver side in a black box. Look on fuse cover it should show what each fuse is for.
none of the above, the vent door is stuck inthe open position most probable cause is vacum leak look closer to your fire wall and you will see a very thin vacum hose going into the vehice which seems to be unpluged!!