Another thing to mention is that some people recommend taking the actuator assemblies apart and attempt to repair them. I've taken this a step further and reduced the length of the Torx bit before I put it in my mini ratchet. There are three 10 mm nuts that hold the module to the brackets. When you change this item make sure you adjust your temp knobs to the middle exactly or you will break the new actuator. Mechanics call this the lower actuator, because they mount the blend door motor mentioned above higher up on heater case.
In addition, we'll provide some technical tips and tricks for this sometimes difficult operation. One note, on my 2004 Chevy Tahoe, I had to remove four additional screws around the glove box, one at the upper right of the opening and three on the glove box door hinge in order to get the dash corner to wiggle out of place. The most important trick is to the both cams one on the back side of the white toothed arm, and the other on the vent flapper assembly in the slots of the actuator arm. The kick panel just under the steering wheel is the first thing to remove. Calibrating the New Actuators to Work Properly If you replace the parts they will work.
I'm going towards the fuse boxes first, but I'm thinking I've never seen a separate fuse for the driver's side temp control, but then again I've never looked for it, either. Due to the extensive procedure involved in its replacement, these instructions focus on the passenger side blend door actuator. Remove the 10mm dashboard bracket bolts. There is a position potentiometer pot geared blue off of the output gear. I do want to install the new one myself. The bottom screw was easy to remove but the top was a bear due to obstructions. Disconnect the electrical connector 8 from the air temperature actuator 9.
Manually operated door and got cool air or hot air so door is not a problem. If someone hold it for you be sure they do not use the area in the center of the opening for a fulcrum. What has changed is the manner in which it's executed. Any help would be greatly appreciated. This page concentrates on General Motors Corp. This article applies to the Chevrolet. The heater blend doors act as a gateway to the vehicle's ventilation system.
It's very close to the air conditioning evaporator core and the heater core assemblies. I have searched and can't find anything on a nnbs only older stuff. The passenger side blows ice cold. This article applies to the Chevrolet Silverado 1500 1999-2006. The only problem is the symptons aren't exactly the same.
It was still blowing hot, out of the driver's side. With that said, and not mention that my truck has over 200k miles, I think that the fix mentioned by blaisee3 would work just fine for me. It does not repond at all when hooked up and you slide the temp control. Gently Lift the upper dash cover up, but do not remove it. That is a whole other post though. I am going to the beach Saturady and would like it fixed before then.
Remove the blend door actuator. So it's like I've got the driver's side cranked up in the red and the passenger side in the blue. This part is simple; just reach inside the loosen the two 5. Disconnect the actuator and pull it out. I could have tapped the sprocked off the metal spline, and then rotated the sprocket on the spline such that the broken teeth would be positioned outside the range of use. What could be wrong, and where do you start looking? Click here to learn how to replace it. This article applies to the Chevrolet Silverado 1500 1996-2006.
I am no mechanic just a very uncomfortable worker , so please excuse my lack of knowledge on the topic. Since my truck was not initially set up for this type of environment i had 3 upgrades which saved my drive train. Thanks for the thorough instructions, I followed them to replace my passenger blend door actuator. Today I removed the drivers side blend door actuator. This 2004 Chevrolet Silverado came in with a faulty passenger side blend door actuator.
Unfortunately, the early versions of this system weren't all that reliable. This was the source of the clicking noise. In addition, some owners may complain that the air doesn't come out in the right spot. In this video we show how to replace the blend door actuator that controls the heat and cold in a 1999-2007 Chevrolet Silverado. After reading dozens of forums, I realized the cause was the blend door actuator. The blend door diverts the airflow to the defroster vents in the upper dashboard, the floor discharge for heat or the center vents for air conditioning.
The outer edge of the arm has 2 slots: The outer slot connect to a white geared arm that controls a flapper, while the inner slot connects over a black bump which is essentially a cam that controls another flapper. Step 6 — Replace the actuator After removing the passenger side airbag, you will have enough room to reach the actuator flaps. Remove the 7 mm screw from the position shown below. Often you can hear air escaping behind the dashboard or feel the air exiting the wrong locations. Remove the 7mm dashboard bracket bolts. I had my dual climate control fail in my 06 Tahoe.