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….

Is the a / C on in my GM Truck?

After two cans of R134a and 3 days later a can of Stop Leak, everything is cool and holding its pressure. We are getting some very humid 95 degree days so the A/C is being used frequently. Its 10:12am and its already 91 degrees outside…

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 is the front vents warm but the rear vents are cold?

The gauge showed that the system was low and I started to fill the system. The compressor clutch did turn on and the system is currently at 45psi (fill zone). Now, the rear vents is blowing cold air but the front vents is still blowing warm air.

Is the front of my truck warm or cold?

The front and rear where blowing warm air with the temps set at 60 degrees max. Today, I decided to purchase the EZ-CHILL from Advanced Autoparts to recharge my system (low-side).

Why does my Chevy Silverado blow hot air?

My 04 silverado starts off cold on both sides then sometimes the driver side vents will blow hot air. when we stop and turn off truck and start it up and it is fine again. Could it be the thermostat for that side not working??? anyone have any answers for this problem?

How does the hot air blow in a GMC Yukon?

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.

Why is my central a / C not blowing cold air?

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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.

The front and rear where blowing warm air with the temps set at 60 degrees max. Today, I decided to purchase the EZ-CHILL from Advanced Autoparts to recharge my system (low-side).

Is the rear a / C blowing only hot air?

I have a 2017 Premier II with rear a/c controls. Front a/c blowing good and cold, rear blowing only hot air, regardless of rear temp setting. Tried it with Sync on, and no change for rear a/c. Am I missing something, or is a visit to the dealer in my near future? Definitely go to the dealer.

Why does my GMC AC blow cold air?

The air blows cold from the roof vents but when I change it to the lower output, I don’t feel anything. It looks like there are vents under the front seats, but it dosen’t feel like anything is coming out from these vents. Am I looking in the right place for the lower vents? After reading this thread I sat in the back seat and tried the rear AC.

Is the front AC blowing cool enough air?

Cabin air filter is fine. The front AC does not seem as cold as the rear AC. Outside temp is a moderate 85F, with 30% humidity. Do you notice this disparity most at idle with the A/C on?

Why is the rear air not blowing out?

Rear air works good no problem there. Could it be a fuse? no on the fuse,it works off vacume,check under hood driver side fender well for vac lines see if one has come unpluged or is soft,if so just replace the line,is rubber lines. 96 people found this helpful.

Why is the front air not blowing in my Ford Expedition?

2017 Expedition EL same issue no high speed blower. Wiggled the connection plug located in the passenger foot well. Every things works now as it should. 43 people found this helpful. 2016 Expedition XL front AC not blowing but back was blowing fine.

Where does the hot air come from in a Ford E350?

Hot air blows out of the lower Previously, in my E350 Van, the back upper vents blasted hot air when the front AC was on. I replaced the rear blend door.

Why does my car air conditioner blow cold then warm?

Any number of culprits could be causing your car A/C to blow cold then warm air, including: A Leak in the A/C System A small refrigerant leak is the most common reason a car’s A/C gradually loses its cool.

Why is my Mercury Mountaineer AC not working?

2004 Mountaineer rear AC ceilng vents only blow… I have a 2004 mercury mountaineer. the air conditioner blows cold air fine through the front vents and the vent at… Find the most common driver-reported problems that are to blame when a Mercury Mountaineer has air conditioning problems.

Why does my GMC Yukon blow hot and cold air?

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.

Why is the rear AC warmer than the front?