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There were 2 options for the rear control units, 1 was AC only, 1 was heat and AC. If your controls above the second seat only have 1 knob, it's AC only, the heat/AC version has 3 knobs. The correct Answer: 1996 - 2000 (Old Body Style) Tahoes and Yukons only got the rear air option. Suburbans and Yukon XL's get the Heat and AC option.
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Why does the rear heater in a 2003 Chevy Tahoe only blow cold air?
Try replacing the temperature control switch for the rear control cluster. Hope that that's the fix. Less than $20.
When the heat is on why would the back vents of a 2004 dodge durango blow cold air and the front blow hot?
The control for the heat on the dash has a control for the back seat and also has a setting that says something like "Rear Control". This allows the passengers in the back seat to control their heat independently via a temperature control in the back seat (on the back of the center console). So you could have the heat on in the front and the rear on "rear control" and if the passenger in the back has set their control to cold, it wold blow cold air in the back even though you have the heat on in the front.
Why does rear heat not blow warm on 2003 Chevy Tahoe?
the accuator, located in the rear passenger side is bad. the controls in front when turned go to an accuator in the rear there are two of them one for hot/cold and one for the vents.
Why would front AC blow hot and rear AC blow cold on a 2000 Dodge Ram Van?
think about it they have independent control thus they have separate cooling systems
Which actuator requlates rear heat in a 2003 Tahoe?
In a 2003 Chevrolet Tahoe, the actuator that regulates rear heat is the rear mode actuator. This component controls the airflow and temperature for the rear climate control system. It adjusts the position of the blend doors to mix hot and cold air, ensuring the desired temperature is maintained in the rear passenger area. If you're experiencing issues with rear heating, this actuator may be a common culprit.
Why would my rear ac work but not my front ac on a 1999 Tahoe?
There is a secondary condensor in the rear of the vehicle that works off of the primary. If the AC in the rear is working and not the front, it could possibly be the air handler or the blower up front. Does the front blow air? If so is it ambient, hot, or a little cool? Incorrect: The 1999 Tahoe DOES NOT have a secondary condensor the only thing it may have in the rear is a heater core IF it is supplied with rear heat, if you are getting cold air in back and not the front usually means you are low on freon.
What causes front air to be warm and rear air to be cold on a 99 plymoth voyager?
If you are talking about dual heating (front/rear), then either the rear temp control is set to cold, or the control is not working.
Is it better to blow cold air in or hot air out for effective temperature control in a room?
Blowing cold air in is better for effective temperature control in a room.
Why does your front ac blow cold but your rear ac blow hot for a 2004 Toyota Sequoia?
In a 2004 Toyota Sequoia, if the front AC is blowing cold while the rear AC is blowing hot, it could be due to a few potential issues. One possibility is a malfunctioning rear AC control module or blend door actuator, which controls the temperature of the rear air. Another possibility is low refrigerant levels affecting the rear system, or a clogged evaporator that prevents proper cooling. Lastly, there could be an issue with the rear AC's own compressor or ducting that needs to be addressed.
Why does your front heater blow cold air when the temperature dial is on hot and the rear air blows hot air?
temp. control actuator or most of the time is the actual control head. ck for power and grd. at act. and resistance (ohm) check also
If the rear heater works ok why does the front heater only blow cold air?
replace front heater corefront and rear have independent heater cores
Why does 1995 Suburban front air vents blow cold air but rear air vents blow hot air?
Possible blockage in the rear air units expansion valve. I just replaced mine for the same reason.
