Can I Lubricate Electronic Door Actuator to Get It Working Again 95 K1500 Suburban

Do yous hear a ticking racket from your nuance when the ignition key is on? Does your car heater blow cold or the air conditioner accident hot? These are signs that a alloy door actuator has gone bad. With a little help from our team of ASE certified mechanics and almost a half hr of your fourth dimension you tin can supercede this part to get your climate command dorsum working again. Or y'all tin meet what y'all are paying for when taking your car in for repairs.

What Goes Incorrect?

A alloy door actuator is made up of an electrical motor that turns a plastic gear set in one direction or another which is continued to an air control door pin at the final drive of the unit. An actuator can go bad in of two ways; commencement the electrical motor tin can fire out rendering the unit non-responsive then nothing changes when the temperature or vent mode controls are moved. Next, the plastic gear gear up will go brittle and break which will sometimes allow the unit to piece of work while making a ticking or clicking noise and then stop. This is a mutual problem in most machine's heater and air conditioner systems.

How Does Information technology Work?

An air blend door actuator is synthetic from a plastic housing, a small-scale electric motor and a plastic gear gear up. A door position sensor is besides contain into the unit to send feed back information to the climate command computer.

SPONSORED LINKS

This actuator and then moves temperature and air management doors inside the heater plenum (box) which are designed to control mode settings such as temperature, floor, mid vent, defrost and fresh air or re-apportionment modes. They also control hot and cold settings for right and left passenger compartments.

Your car'due south climate control computer gives an electrical command to the actuator to start moving the actuator motor to change air management modes. This direction is according to the temperature chosen by the driver or passenger on dual climate control systems.

About systems have three to four of these units placed in various areas around the HVAC plenum that command mode operation and will vary past the auto make and model.

Let'southward Get Started

You lot tin can get an OEM replacement actuator from Amazon for what the garages pay for them in almost cases. You will need a tool set including an v.5 mm socket for Chevy, GMC, Cadillac, Ford and Lincoln vehicles.

Step 1: Remove the Lower Dash Panel or Glove Box

Using a small socket and ratchet remove the mounting bolts that hold the under dash plastic cover on the rider side. These screws can be in obscure places so wait around for them.

SPONSORED LINKS

In one case yous take located and removed all of the mounting screws grasp the cover and gently pull information technology from the underside of the dash. This will expose the heater box with various controls including any wiring.

Hither is what information technology looks like when the glove box is removed exposing the blend door actuator for replacement.

SPONSORED LINKS

Stride 2: Remove the Door Actuator

Hither is a typical right side temperature actuator used for dual climate controls (likewise temperature for signal way units). This actuator hangs beneath the box which is one of the easier units to supervene upon.

Begin by using a small screwdriver to release the wiring prophylactic prune on the harness for the actuator. These clips can be brittle and break so be gentle.

One time released gently pull down on the wiring connector and remove it from the blend door actuator. Inspect the connector for rust or corrosion and clean as needed.

SPONSORED LINKS

Step three: Remove the Actuator

Locate and remove the actuator mounting screws. There should be two or iii screws holding it in place. A modest universal might be needed to assistance remove the screws in awkward places. Once removed place the screws into a small container so they don't get lost.

In one case all of the mounting screws have been removed the actuator should become loose. Grasp the actuator and pull it from its mount to remove.

Sentry the Video

Here is this job being done to pick up on additional tips and data before you begin.

Stride four: Plow the Air Door Pin

Before installing the new actuator it's a practiced idea to manually turn the blend door in both directions to ensure it is not stuck which will cause the new actuator to neglect. Grasp the door pivot and move it back and forth to its total travel, it should movement freely. If you lot cannot motion the blend door an obstacle has gotten in the way of the door motility which will make the new actuator fail. These obstructions can include: pen, tooth pick, small toy or bubble gum to proper name a few. If the door is stuck the heater plenum with demand to be removed and the problem resolved before installing the new unit.

To examination the blend door operation and too double bank check that yous are changing the correct actuator motor plough the blower motor on and work the door in each way. You will be able to feel the air alter temperature or vent level.

SPONSORED LINKS

Step 5: Match the New Actuator

Compare the bad actuator to the new unit. Exist sure to cheque the wiring harness connector terminals they should match identically. Now the new part is set up to be installed.

Step vi: Install the New Air Alloy Door Actuator

Install the new role in place as you lot insert the mounting screws by mitt. Be careful not to cross thread the mounting screws because they thread into the plastic housing and can easily strip, (do non over tighten).

Once all screws are in place firmly push the wiring harness connector back into the actuator. You lot should hear a click signaling the correct installing of the connector.

SPONSORED LINKS

Step seven: Reinstall the Encompass or Glove Box

After the installation is complete double check your piece of work and reinstall the plastic cover. This tin take some jostling to get the bolts holes lined upwards so hang in there.

Once the cover is in place first the installation of the mounting screws past paw, once paw threaded install the remainder of the screws. Do not tighten the showtime spiral you take threaded in until all of the screws because it will make the residuum of the screws harder to install.

After cover has been re-installed start the engine to test the repair job by turning the climate control on and moving the controls from hot and cold and from defrost to the mid and floor positions to ensure the new actuator is working as it should.

SPONSORED LINKS

Blend Door Actuator Locations

Begin past identifying the problem either defrost, mid or floor, or temperature modes non working. And so locate and identify the actuator to be replaced. These units can exist either hanging in forepart of yous or in a trivial more obscure places such as on the side the HVAC plenum. Sometimes they can be located in inconvenient places like the top of the heater box. These repairs tin can have a lilliputian longer considering more parts need to be removed to gain admission to the actuator.

You can use a repair resources such every bit Mitchell1, a paper manual found on Amazon or a resource similar Google images to locate the particular area in which the actuator needs to be replacement.

Here is an instance of a Silverado, Suburban and Tahoe locations.

Recirculation Actuator

Fashion (Defrost Mid Vent and Flooring) Actuator Location

Left Temperature Actuator Location - Signal Organization Temperature Actuator

Correct Temperature Blend Door Location

SPONSORED LINKS

Questions?

If you have whatever questions about blend door actuators please visit our forum. If you would like to inquire our community of mechanics for advice please exercise and so, we are happy to aid.

Article published 2022-03-13

crusewitheme37.blogspot.com

Source: https://www.2carpros.com/articles/replace-blend-door-motor

Share this post