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DIY on changing servo motors

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Old 08-05-14, 08:41 AM   #376
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Originally Posted by RainyGS View Post
This looks like a pain, but mine is making some noise. Thank you so much for the write up and pics. Will make this job a little easier in the long run.
--- Once you get it and know what your dealing with its not hard at all bro. Plus we're all here to help each other. Anything your confused about, just ask man.
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Old 08-11-14, 04:08 PM   #377
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My compressor turns on and off like crazy specially when the car is a bit hot during this hot vegas heat. Is my AC Copressor shot? Also for some reason my passenger side vents blow harder than my left ones. I have replaced the passenger side servo motors for some new ones, but I have not changed the driver side. What you guys think?
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Old 08-13-14, 04:17 PM   #378
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Is this the same issue here? I just got this problem a week or so ago. Does this on every startup as well:


Or is this a 'blend door motor' issue?
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Old 08-15-14, 01:49 PM   #379
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It was the mode servo assembly. Took that sucker out. I don't feel like dropping $140 for a new assembly when I know the issue is the small motor. Anyone have a compatible motor model # that would work for it? Similar to the door servo motors?
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Old 08-15-14, 03:29 PM   #380
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Quote:
Originally Posted by Jewcano View Post
It was the mode servo assembly. Took that sucker out. I don't feel like dropping $140 for a new assembly when I know the issue is the small motor. Anyone have a compatible motor model # that would work for it? Similar to the door servo motors?
You can try this...

http://www.clublexus.com/forums/gs-s...rvomotors.html

http://www.clublexus.com/forums/gs-s...ete-guide.html

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Old 08-15-14, 05:28 PM   #381
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Hey Baddis ES, we know it's the motor though, the rest of the parts are fine. Do you happen to know what the RPM is of the stock servo motor? I found this one on ebay:




Cut the shaft down, and pull the little worm gear spline off and transplant it, and dimension wise it will fit. I just would rather do the repair as such. My father took the motor out and wired it to his car battery. The motor itself did the buzzing noise like in the video I posted, and when I gently pushed the shaft downward, it went quiet and smooth. This one just needs a new motor. Potentiometer, Gears, etc are all good, the motor has too much play inside and needs to be replaced.


EDIT: Big edit lol. The mode assembly is fine I suppose. It's the one that was behind/under it that is the one at fault, that one is vibrating like mad. Gonna wait till my next day off to take it apart and see whats the issue.

EDIT 2.0: It was the worm-screw issue....... Knocked that little metal spindle up some, 0 worm screw play on it, put it back together and works good as new.
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Last edited by Jewcano; 08-20-14 at 07:11 PM..
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Old 08-26-14, 01:07 PM   #382
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Talking Air Mix Servo - RX300 - 3rd screw issue

I have a 2000 RX300 and the 3rd screw for the Air-Mix Servo is position behind two aluminum (heating/radiator) pipes. I tried a stubby screw driver but the angle isn't straight. Can you recommend another method? I don't think I need to loosen the bracket of the aluminum pipes.

http://ww2.justanswer.com/uploads/de...6_comp-003.jpg

or page 32-4 (two heater pipes in the way)

http://bio.souz-96.com/Lexus/RX300_R...nditioning.pdf
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Old 08-28-14, 05:07 PM   #383
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I have an 04 ES330 and I just pulled my mix/temp servo, adjusted and cleaned it, and put it back in.

BOOM. QUIET. No more strange animal sounds behind the glovebox.

HOOOORAAAAAAAAY!!

Thank you so much for all the amazing people on this forum for their trial and error, DIY, and best practices.
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Old 10-03-14, 08:18 PM   #384
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Quote:
Originally Posted by tek-rookie View Post
I have a 2000 RX300 and the 3rd screw for the Air-Mix Servo is position behind two aluminum (heating/radiator) pipes. I tried a stubby screw driver but the angle isn't straight. Can you recommend another method? I don't think I need to loosen the bracket of the aluminum pipes.

http://ww2.justanswer.com/uploads/de...6_comp-003.jpg

or page 32-4 (two heater pipes in the way)

http://bio.souz-96.com/Lexus/RX300_R...nditioning.pdf
I' m also trying to replace the Air Mix Servo on my 2001 RX-300. I can get at remove the 2 screws on the bottom, but the aluminum heat/air pipes are touching each other and can get a screwdriver in between them to get at that "hidden" 3'rd screw.

There is a bracket at the top holding the 2 aluminum heat/air pipes down. Do I need to loosen or remove the bracket to make the aluminum pipes separate a little to allow me to get a screwdriver in there? If so, there is a phillips head screw on the side of the bracket or a hex bolt at the top of the bracket. Which one do I need to loosen or remove?

Also, what length/size phillips screwdriver do I need for that nasty 3'rd screw?
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Old 10-06-14, 06:48 AM   #385
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I think I loosened the bracket for those pipes when I did mine. I used a short stubby screwdriver that had an adjustable right angle handle. It also ratcheted.

Another good option would be to use a 1/4" ratchet wrench with a socket that'll hold screwdriver bits. As far as size goes, it's either a philips #1 or #2.
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Old 10-19-14, 04:23 PM   #386
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Initial Issue: only blowing hot-air on both the driver and passenger side

replaced my cooling servo (passenger) with a new one and still no cold air. Arm is on the track correctly and am watching it adj through the temps...ensured enough freon was in the system, any ideas as to why no cold air?

EDIT: so after reading through the pages a bit more...maybe the driver's side needs replacing?
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Last edited by baddis es; 10-20-14 at 06:46 AM..
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Old 10-20-14, 04:25 PM   #387
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Anyone?????
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-1999 Solara SE V6 (5spd) -- my double D
-1996 200sx SE-R (VVL swap) -- vtak killah!
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Old 10-20-14, 04:25 PM
 
 
 
 
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2004, 300, ac, clublexus, damper, dash, gs, lexus, lubing, motor, motors, recirculation, rx330, screw, servo, subassembly

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