Why does my Yukon Denali have no air?
Here’s how I resolved the no rear air problem in my 2006 GMC Yukon Denali. Rear air controls just show “OFF” when you try to power them on. I’ll answer them one at a time. This is actually working as designed. The rear air controls are only active when the front fan selector is set to “AUX”.
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 does my Chevy Tahoe not have rear air?
So, the blower motor isn’t coming on, resistor checked out. The controls in the back seat for the rear air/radio… when you press any button the display says “OFF” then turns off after a couple seconds. I tried setting the front controls to aux or controlling it from there, still nothing.
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.
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.
Here’s how I resolved the no rear air problem in my 2006 GMC Yukon Denali. Rear air controls just show “OFF” when you try to power them on. I’ll answer them one at a time. This is actually working as designed. The rear air controls are only active when the front fan selector is set to “AUX”.
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.
Why does my Chevy Tahoe have no air?
Ever since I bought my 2003 Tahoe LT 4×4 in summer 2008, the rear air (heat or a/c) won’t work. No air will come out, the blower motor doesn’t seem to turn on. The dealership said they would fix it if it wasn’t the A/C (which it wasn’t).
Are there rear air controls on a Chevy Tahoe?
Rear air controls just show “OFF” when you try to power them on. I’ll answer them one at a time. This is actually working as designed. The rear air controls are only active when the front fan selector is set to “AUX”. If you have it set to auto it mimics the front temperature. If you set it manually, then it simply runs at the speed you set.
Where is the climate control on a GM Truck?
The a/c does work but the dial has to be on the dash setting even though it doesn’t blow from the dash only the defrost setting, and still no heat on the rear climate control.
What kind of engine does GMC Denali have?
7,550-lb rating requires a properly equipped 4WD Canyon Denali model with available Duramax 2.8L I4 Diesel engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options oraccessories may reduce the amount you can tow.
Why does my GMC Envoy not turn on a / C?
After some careful analyzing, i realized that my electronic climate control system was also reading the wrong exterior temp. What this means is that the truck thinks its exterior temp is cold enough to freeze the compressor and therefore will not allow the a/c to kick on. After I bypassed the ext temp sensor I have not had any problems since.
How much does it cost to replace climate control on 2005 GMC Envoy?
The actuator should cost about $200 and replacement will require 0.6 hours of labor. If a 2005 GMC Envoy is fitted with dual GMC climate control but the driver’s side does not provide heat, will rebooting the system or resetting the actuators fix the problem? A reboot may work.
Where is the air conditioning unit on a GMC Envoy?
You have to remove the sound panel (two screws) under the glove box and remove the glove box at the hinge (three screws). Then you can see the module. It has a pigtail wire that plugs into the blower. Release the plug latch with a screw driver and disconnect it.
When to replace the GMC climate control system?
If it is damaged, it needs to be replaced. The GMC climate control is an integral part of a comfortable driving experience and when it is defective the discomfort felt by the driver can affect his or her driving skills. For this reason problems with the climate control should be attended to without delay.
Why is my 2003 air conditioner not working?
Owners of 2003’s may comment about poor A/C performance after they have pressed the A/C button and see what appears to be the snowflake illuminated on the display. What has actually happened, though, is that they have disabled the operation of the A/C compressor and the snowflake symbol, upon closer inspection, has a slash through it.
What causes heated seat light to go off in GMC Yukon?
Also when the drivers heated seat button gets pushed loud buzzing noise, causes rear drivers passenger door light to come on buzzing goes away and heated seat shuts off, on passenger side too.
Is there a Repair Manual for a GMC Yukon?
You Fix Cars has auto service repair manuals for your GMC Yukon – download your manual now! GMC Yukon service repair manuals
Why is my GMC Sierra air conditioner not working?
On a 03-07 Chevrolet/ GMC Truck with the Electronic Climate control, Removing and reinstalling the HVAC fuse, causing the electronic climate control to RESET seems to Remedy the condition in which no power is getting to the AC compressor clutch connector, thus causing the Air conditioner not to work. Will this last forever?
What kind of problems can a GMC Yukon have?
For example, rear air struts are the most likely to fail in the GMC Yukon. Just one rear air strut costs almost $400. And once one of them fails, the others are right behind it. Other components, such as the ride height sensors, are also prone to wearing out and needing replacement as well.
How to change suspension on GMC Yukon air?
This GMC Yukon air to non-air suspension conversion kit is one of our most popular items. Join the many who have already made the switch! Order online or better yet, call one of our Suspension Experts at (866) 669-9456. They’ll help you make sure you get exactly what you need for your GMC Yukon.
How much does it cost to convert Yukon air to non air?
These GMC Yukon air to non-air conversion kits are designed to save you money. You can convert your entire vehicle for just $549. They are also remarkably simple to install. That means fewer expensive labor hours at the shop. A handy DIYer might even want to install the new suspension at home.
Why is my GMC Yukon XL AC not working?
While there are a variety of reasons your GMC Yukon XL 1500 air conditioning won’t work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis?
Why does my GMC air conditioner stop working?
For about 5 miles the A/C worked normally till we hit a R/R and the bump made it stop blowing cold air and he was finally convinced. Back to the shop and 30 min later they found the problem. Turned out to be the low pressure switch, (under hood on bottom of small tank) it was corroded and causing a loss of electrical contact.
Why is the blower motor not working on my GMC Yukon?
All appear fine. I then pulled the blower motor out of dash and determined there was power to the plug at the motor. I bench tested the blower and it worked fine. I have power from the switch to the blower resistor and from the resistor to the motor. Plugging the resistor back in, plugging the motor into the resistor but the motor fails to work.
Where are the fuses in the Yukon XL?
See other GMC Yukon / Yukon XL: Cigar lighter (power outlet) fuses are located in the Engine compartment fuse box (see fuses “AUX PWR”, “CIGAR” / “CIG LTR” and “LBEC”), and since 2003 in the Passenger compartment fuse box (fuse “AUX PWR 2”).
When did the GMC Yukon XL come out?
In this article, we consider the second-generation GMC Yukon / Yukon XL, produced from 2000 to 2006. Here you will find fuse box diagrams of GMC Yukon 2000, 2001, 2002, 2003, 2004, 2005 and 2006, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.
What kind of car is 2004 GMC Yukon XL?
Autotrader has 27 Used GMC Yukon XL cars for sale, including a 2004 GMC Yukon XL 2500 SLT, a 2004 GMC Yukon XL 2WD, and a 2004 GMC Yukon XL 4WD.
How to install a HVAC controller on a GMC Yukon?
Unplug the electrical connectors from the HVAC control assembly. WARNING- Make sure the ignition key is in the OFF position when connecting the electrical connectors to ensure the proper calibration of the control panel. 1. Engage the electrical connectors to the HVAC control assembly. 2. Install the HVAC control assembly.
What should I do if my GMC climate control does not work?
After starting none of the GMC climate control functions should be used for two minutes. If this does not work the actuators should be removed to see if the temperature door shafts can be turned by hand to provide heat on the driver’s side. If this produces results, the actuators will need replacement.