Why are the vents not working on my Trailblazer?

For some time my trailblazer would not blow air out of the front vents. It is a common problem for this vehicle. The actuator that opens and closes the vents goes bad. In this video I show you how to remove the dash panels, locate the actuator, remove it, and open the vent so that you can feel your a/c as you drive. Loading…

Can a trailblazer blow cold air from one side?

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Are there any air conditioner problems in the 2005 TrailBlazer?

Several technical service bulletins are published from the manufacturer concerning air-conditioning (AC) problems in the vehicle. The 2005 Trailblazer has the most TSB’s published concerning this problem. The air-conditioning has no recalls issued for any consumer complaints or National Highway Traffic Safety Administration.

Why does my a / C vents blow cold but warm drivers?

It will not be apparent if just looking at freon gauge pressures- they will be normal. But a system that is 1/2 pound low will cause the passenger side vents to blow cool or cold air, and the drivers side to be less cool or even warm on this car. There is simply not enough freon capacity in the system to cool the air to the drivers side.

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Why does the a / C blow cold but warm drivers?

The problem I have is that when you turn the ac on the cool air only comes out the 2 vents on the passenger side. The 2 vents on the drivers side have warm air blowing out. A/C is controls are set to max air and max cold on the temp control. Answer: Most common problem is a bad temperature door actuator if it does have dual zone A/C.

What does it mean when AC blows hot air on one side?

AC Blows Hot or Cold Air on One Side with Clicking Sound. If you experience the symptom of the AC blowing hot or cold air on one side but not the other and it’s accompanied by a clicking or ticking sound, it probably means a gear in the temperature blend door actuator is faulty and the actuator needs to be replaced.

Why does my Chevy Trailblazer stall when the a / C is on?

Make sure you put the hose on the underside of the air intake box back on. If this is not installed, it will cause a vacuum leak. i cleaned the throttle body, but now it’s worse! Also the service engine light is blinking. The engine still turns off when i turn the A\C on.

What makes a 2002 Chevy Trailblazer make a loud noise?

2002 Chevy Trailblazer struggles to shift in first gear and makes a loud noise like I was revin the engine and the rpm goes buts, then it takes until I get to the next light and needs to move out again. How do I fix that? Well, i can’t really understand what your problem is, but it sounds like a transmission problem and an internal engine noise.

What kind of engine does a 2002 Chevy Trailblazer have?

2002 Chevrolet Trailblazer EXT 4.2L Engine. It died on me the other day I got a boosts. Later that day I got a new battery. They check the alternator and its fine. We notice the back AC was on and the truck turns off even when we turn on the ac

Why does my Trailblazer AC keep blowing fuses?

Its faulty fuel gauge could leave you stranded. No one has added a helpful site for this 2004 Trailblazer problem yet. Be the first! Read reviews of repair shops in your area. Enter your zip code: Keeps blowing fuses, had auto electric shop check it, they had it whole day and couldn’t find problem.

Is there a problem with my 2004 Trailblazer?

CarComplaints.com Notes: It would be ill-advised to blaze any trails with the 2004 Trailblazer. Its faulty fuel gauge could leave you stranded. No one has added a helpful site for this 2004 Trailblazer problem yet.

What should I do about my Trailblazer blowing out cold air?

You guys are so funny with all these different answers…….its the passenger actuator remove it then open it up an you will see that th main wheel is broken. You can either replace the gear wheel $18 or spend $40 an up on th actuator that really does work but the gear is broken.

What is the mode door actuator on a 2003 Chevrolet TrailBlazer?

2003 Chevrolet Trailblazer: The mode door actuator..controls..airflow… Is there a simple method… Is there a simple method in replacing the ‘mode door actuator’ in a 2003 Chevrolet Trailblazer? The ‘mode door actuator’ controls directional airflow inside the vehicle.

What is the b0159 code on a Trailblazers?

In the Trailblazers and Envoys the mode/vent function is split between the mode and defrost actuators. The B0159 code is for the ambient temperature sensor located behind the grille. It has two wires: light green/black wire and a brown wire.

Where is the mode actuator on a Chevy Trailblazer?

Remove the left side sound insulator screws. Remove the left hand floor duct. Disconnect the electrical connector from the mode actuator. Remove the screws from the mode actuator (1). Remove the mode actuator. Are these actuators strictly near the gas pedal or are they facing the centre console?

Why are my front vents on my Chevy Trailblazer not working?

Recently my front vents stopped working on my 2004 Chevy Trailblazer. I’ve tried to recalibrate by taking out the fuse, waiting a couple minutes, putting the fuse back in, turning the car to run, letting it go through its motions, but that didn’t work. The air blows cold, but it is only coming out at the feet, side vents and defrost.

How do you remove a mode door actuator?

Remove the pushpin retainers, then pull the duct off the HVAC case. Disconnect the wiring harness from the mode door actuator — the mode door actuator has a white gear extending from one side and is the lower of the two actuators. Remove the screws from the actuator. Pull the actuator from the HVAC case.

How to replace hot cold blend door actuator driver?

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What are the actuators on a 2004 Chevy Trailblazer?

The view below shows the three actuators and is taken from the perspective of the driver’s feet, looking above the accelerator pedal and towards the center of the dash. If you click on the picture it will enlarge to show more detail. This layout generally applies to 2003, 2004, 2005 2006, 2007, 2008 and 2009 Chevrolet Trailblazer and GMC Envoy.

What kind of air flow does a trailblazer have?

This 2004 Chevrolet Trailblazer came in with the air flow stuck coming out of the defroster. I have already done a post on how to replace the faulty mode actuator, but I did not have a good enough picture to identify all of the actuators on the driver’s side of the dash.

Why does air not blow out the dash vents?

The air won’t blow out the dash vents. It blows out the floor vent and the defroster vent, but it won’t change and blow out the dash vent. Any one know what I need to do to fix this problem?