Why does my Chevy Tahoe rear AC not blow?
So, my rear AC does not blow at all on my 99 Tahoe LS. I’ve replaced the fuse with no luck. I turn the switches and nothing happens. The front works fine. Any thoughts are appreciated.
Why is the rear AC warmer than the front?
When the rear ac is turned on only, the air isn’t that cold. But when the front ac is turned on, the rear ac is blowing colder air out the vents. That’s because the rear AC by itself can’t turn the compressor on… The front AC has to be on for the compressor to turn on….
What to do if your rear AC is not blowing?
What you can do is get a short finder so you dont have to keep replacing 30A fuses, but unplug the relay in the back for the blower motor & see if the short is before the rear HVac or inside the rear HVAC. If it doesnt blow then insert the relay & unplug the blower itself & see if it is the problem.
Is the front of my GM Truck warm?
The gauge never went past 45psi when recharging and the front vents where still warm afterwards. This morning I decided to turn on the ac in the front while driving to work and the air was cold but it could be colder. I went and bought another can and will recharge again at lunch time and post my results.
Why does my GMC Yukon blow hot and cold air?
A small servo motor that turns hot and cold air valve in the heater box. I pulled the small flat motor off and noticed the shaft was jammed and would not turn when i moved the temperature selector knob from hot to cold. I reached in and turned the air valve with my finger and verified that it was not stuck.
Where is the cold air heater on a GMC Yukon?
It was cold out and the heat would not work in the front only. Turned out that the blend door motor was dead. It is under the glove box at the passengers feet. A small servo motor that turns hot and cold air valve in the heater box.
When the rear ac is turned on only, the air isn’t that cold. But when the front ac is turned on, the rear ac is blowing colder air out the vents. That’s because the rear AC by itself can’t turn the compressor on… The front AC has to be on for the compressor to turn on….
Why does my front AC blow hot air?
Warm in front, cool in back. Please post any answers as I would like to know as well. a/c is working fine. sounds like the diverter door is remaining open allowing the fan to blow air through the heater core. this door is often controlled by engine vac or and electric door motor closing device. A good mech at the dealer should have found this.