Why does my truck only have heat on one side?
Blend door actuators are the most common reason for the car air conditioning to blow cold air on one side and hot air on the other. They can be diagnosed with an advanced scan tool. If it does not move with the adjustments and commands, there is a problem with the blend door actuator and it will need to be replaced.
What’s the problem with my GMC Sierra AC?
I’ve got a problem I got hot air coming out the vents on the driver side,and cold air on the pass.side that includes when im running the air. Blows cold air on driver’s side and hot air on passenger side. Should heat both sides. when heater is on it will throw heat for a while and then starts to throw cold air out the driver side vents.
How does the heater work on a GMC Sierra?
At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. If the heater has stopped working in your Sierra, this process has failed in one way or another.
Why does my GMC heated seat keep shutting off?
2004 GMC: heated seats The driver’s side heat keeps shutting off 2004 GMC: heated seats The driver’s side heat keeps shutting off Hello and welcome to Just answer.com, Super mechanic here. About your vehicle. There has been a service bulletin for that type of concern. It involves a reprogramming of the driver seat module.
Where does the air come from on a GMC Sierra?
Any suggestions on a good repair manual that will cover the A/C systems and circuitry. Air only comes out dash vents. Changing to floor or defrost switch position does not change air flow. I’ve got a problem I got hot air coming out the vents on the driver side,and cold air on the pass.side that includes when im running the air.
Why is my heater not working on my GMC Sierra?
One of the most common (and inconvenient) problems with the GMC Sierra is when it has no heat coming from the heater. Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working.
Why does my GMC Sierra throw cold air?
Blows cold air on driver’s side and hot air on passenger side. Should heat both sides. when heater is on it will throw heat for a while and then starts to throw cold air out the driver side vents. I haven’t found the problem yet. Does any one have an idea what to fix?
Why is my GMC Sierra 2500 not working?
’06 Chevrolet Silverado 2500 Duramax: Vents won’t switch properly at all. Sometimes if I switch them, pull over and shut my truck off and turn it back on then it will sometimes switch to that vent. But only works on defrost and bi-level vents. Floor or any mixed doesn’t work and will switch to one or the other that works.
What to do if your Chevy Silverado has a heater problem?
With engine off, unplug air flow control module, replug in… can hear actuator motor running. Seems to cycle to “an end”, then return… motor runs a few seconds, then will not respond to any further commands unless unplugged and replugged. ’06 Chevrolet Silverado 2500 Duramax: Vents won’t switch properly at all.