Why does my front AC blow hot air?

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.

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.

What to do if your AC blows hot air only?

If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred. Please try again later. (Playback ID: JZ5Syld-3RIpl2Yy)

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 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.

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.

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….

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.

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.

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 is my a / C not working in my Ford van?

Rear A/C not working correctly. Hot air blows out of the lower vents along the side wall no matter what position the control selector is in. Vent blows heated air. A/C blows heated air. Heater blows heated air. All out the lower vents. Nothing out the upper (ceiling) vents, even when A/C is selected. The rear blower works and changes speed.

Why is the air blowing out of the back of my car?

Changing temp setting on passenger side to lowest setting, no effect. Still blowing hot air. Also, without warning, air starts blowing out of top dash vent (that clears windshield fogging), and no air at all through driver side or passenger vents. Rear air still blows correct temp air.

Is the a / C pump on the front of the Van?

A/C pump and front vents blow cold air but not the rear air. Also felt the a/c lin … read more 1999 E350 Econline Van with rear heat/ac- Air flow does not go to ceiling vents when switched to AC in front.

What to do if your air conditioner is blowing warm air?

The Fix: If your evaporator coil is frozen, turn the unit off and change the air filter. Wait until the unit has thawed before turning it back on again. If the coils freeze up again, turn the unit off and immediately call a professional HVAC technician to troubleshoot the problem.

How does the a / C work in a Ford van?

Front A/C works just fine. Rear A/C not working correctly. Hot air blows out of the lower vents along the side wall no matter what position the control selector is in. Vent blows heated air. A/C blows heated air. Heater blows heated air. All out the lower vents. Nothing out the upper (ceiling) vents, even when A/C is selected.

Why is my air conditioner making a lot of noise?

The Air Conditioning Unit Motor is Unusually Loud AC units are usually very smooth and silent and so, it is easy to notice when it starts acting up and making a lot of noise. This noise is very likely caused by the fact that the rubber shock absorbers are not in their rightful place.

What to do if your air conditioner is blowing hot air?

If you discover this to be the reason why your car air conditioner is blowing hot air add Red Angel A/C Stop Leak to your vehicle’s air conditioning system to seal any leaks no matter how small they are before you recharge the system.

Why is my a / C blowing warm air?

A refrigerant leak is unique in the sense that refrigerant evaporates instantly into a gas once it isn’t under the pressure of your closed loop A/C system. A/C systems are sealed and therefore don’t require refrigerant top-off’s. If the refrigerant level is low then there is a leak that needs to be addressed.

Why does my air conditioner blow cold air while driving?

Similarly, if your AC condenser fan isn’t working, your air conditioning would blow cold until the condenser got heat soaked then it would stop working until you were up to cruising speed then the air blowing over the condenser while driving would cool it down and keep things working. Thanks again for your question!

What happens when your car air conditioner is not working?

When it is working properly, your cars’ air conditioner is a wonderful thing. When it is not, which of course occurs on the most brutally hot day of the year, the A/C suddenly becomes a cruel joke, blowing warm, stale air into your vehicle.

What should I do if my AC heater Blows Hot?

(Playback ID: tDfOQLWUZlRZXS3S) Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

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….

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.

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.

Where do you get heated air from in a car?

You should be getting heated air out of the vents closest to the floor (if you have “floor” selected on the HVAC ontrol head on the dash). indy4192