Servomotor Repair (Air Inlet, Air Outlet, and Air Mix Servomotors)

[SquareOne]

Hello everyone, I'm back again with another guide to repair the servomotor on the 100 series. This pertains to the Air Inlet, Air Outlet and the Air Mix Servomotors. I did not see any guides on this, and it's actually a very simple job with the right tools. It can save you $30-50 in buying a whole new actuator. The motor is most likely the same for all the servos for the air conditioning system. I can only say for a fact for the 2005 Land Cruiser, but I don't see it being different on the latter or past years, especially if it's the same size servo.

There are many ways of diagnosing which motor went out and how to test them, you can look around the many threads posted on the forum. In my case, I had to change out the Air Outlet Servomotor. The air outlet controls which direction the air flows to, the motor was very weak, and I saw that the air was not flowing properly in the direction it should. I feel this one is the hardest one to get to, given where it's located.

Air Outlet Servomotor​

1. You need to remove the plastic lower panel underneath the steering wheel, it's fairly simple:
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2. You need to remove the metal plate underneath the panel, it's 4 screws holding that into place.
3. You need to then remove the No. 2 Heater Register Duct. You just need to remove one screw for that one and pop it out of the ducts. The above photo shows you where the screw is.
4. To access the servomotor (the easiest way in my opinion) using the diagram below, LOOSEN THE TOP SCREW, remove the TWO LOWER SCREWS using a philips stub screwdriver or similar since it's a tough angle and spot. This will help you wiggle out the servomotor.
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5. After that, use a small philips No. 0 to remove the tiny screws that holds the servomotor into the metal bracket. After that you should be able to loosen the arm out and wiggle the motor out after unplugging the connector.
6. Once you get the motor out, you have tiny black clips that hold the motor and gears in place. Just use a plastic tool or small flat head to gently pull it apart. Careful with this part I broke a few, the best method is to jam the plastic tool in between the plastic flap and pull the motor apart. You'll end up with this after:
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7. At this point just swap out the motor inside and clean up the grease with a clean towel or rag. Regrease lightly it using a SILICONE BASED GREASE on the gears and some on the metal strips of the large gear. Push the new motor down so the contacts stay between the forks, you'll see the two tiny contacts when you open it.
8. Test the motor out to ensure it functions as it should by plugging it and changing the climate settings in my case it would be the direction of air flow. If everything is good, just reverse the steps and your good to go!

A few notes:​

• It doesn't matter if you don't put the arm of the gear to the original direction it was set at, it'll adjust itself once you plug it back in and change the climate settings.
• The motor I used was this one: HVAC Heater AC Blend Door Flap Actuator Motor for Toyota Land Cruiser LC100 You can use any brand really, as long as the dimensions, voltage, and gear match. I used this brand because I used their motors before without any issues, the last one I did was the door actuator.
• Sorry I didn't have many photos I was trying to get the job done quickly, it took me about 2 hours, if I had a guide like this I can probably knock it out in 45 mins .
• Another thing I want to mention, I know guys like to torque the s*** out of screws, a lot of these screws are for plastic housings, just tighten it nice and leave it alone.