...heater / a/c vents are controlled by vacuum,or electronic devices. What is happening in your Trailblazer is the Vent Doors are either stuck in a open or closed position thus only having air flow to ...
heater/AC vent option knob produces knocking sound in back right corner. i.e. the knob rotates from vents in front to half front half floor to all floor to half floor half defrost to all defrost. the ...
vents If I turn on the heater or the air conditioner nothing blows out of the vents. If the car is in motion you can feel the cold air and hot air flowing out, but it will not blow out like it usually
...levels can reduce the hot water flow to the heater coil inside the car. If there is no air flow through the defroster vents you may have a problem with the fan control, or the fan motor. Good
heater is turned on it is only blowing heat on the drivers side. Defrost floor and dash vents. But on the passenger side all of these vents are blowing cold air. Yes I have the manual climate controll
heater heat only blows out on vents and defrost but not on floor Usually, it's a door motor on the heater case that's stuck/broken. Is this an automatic HVAC system or a manual system? This can be the
...the vents on dash. Also in winter when i turn on the heater only the driver side works for warm while the passenger side blows cold air. any help? The blend door is most likely not operating ...
...or a blend door under the dash. You would need to check the blower motor for power and ground, if it is running a door may be stuck closed. The blend doors direct air thru the heater core and
...vents and the defogger are working. Is the blower the issue of the relay or other. please advise .. THX your blower resistor bad or the blower motor control switch is bad. no air flow from top vent ...
Question about Chevrolet TrailBlazer
vents. Can this be the blend door actuator? And if so where is it I replaced the blower motor resistor since the fan speeds were not all working and it fixed that issue. yes it could be the blend door
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