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DIY on changing servo motors

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Old 08-14-09, 12:10 PM   #61
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ahh i think i need the drivers side for me personally
lol...im fixing to need one of them too
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Old 08-14-09, 04:39 PM   #62
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Default Servo

Thanks for the post I just found out today! that mines went out, what a dammm shame its always something, everyday all day it never ends.
Now back to the bank to draw some more money out of my pocket.

Great Job!
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Old 08-17-09, 12:53 PM   #63
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Thanks for the post I just found out today! that mines went out, what a dammm shame its always something, everyday all day it never ends.
Now back to the bank to draw some more money out of my pocket.

Great Job!
get me some $$$ too,here....give the teller this note for me....and this bag
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Old 08-25-09, 09:14 PM   #64
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Thank-you very much for the DIY, 1st I replaced the mode servo, but it turned out to be the cooling servo. The back screw to the cooling servo is a PITA! Shoulda replaced both at same time as you recommended. So it seems I have a very used mode servo w a broken corner (where screw goes thru). If anyone wants it they can have it...I'm sure it'll hang on w 3 screws. I have to get back in there and fix the glove box light one of these days.....
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Old 08-26-09, 12:08 PM   #65
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Originally Posted by GS430lvr View Post
Thank-you very much for the DIY, 1st I replaced the mode servo, but it turned out to be the cooling servo. The back screw to the cooling servo is a PITA! Shoulda replaced both at same time as you recommended. So it seems I have a very used mode servo w a broken corner (where screw goes thru). If anyone wants it they can have it...I'm sure it'll hang on w 3 screws. I have to get back in there and fix the glove box light one of these days.....
yeah i told you'll, for all the trouble they are, i would just go ahead and do them both right then. oh and your welcome. glad to have helped man
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Old 09-05-09, 01:49 PM   #66
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Default Does the Air Mix servo have multi-stop positions?

I was wondering it the air mix servo has multiple stops or just goes from a beginning to end in a two position movement. My is currently going full from beginning to end only at the highest temperature setting of 84-85. There is no movement from 65-83 degrees. Just wondering if this is normal of sign of a bad servo.

This is in a 1999 GS300.

Thanks
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Old 09-05-09, 02:20 PM   #67
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sorry, i skimed thru the thread only.
is this the motor that moves the vents so it goes to body/feet/body+feet?
if so, when it fails, did yours make noises? my mom's rx300 makes loud buzzing noises
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Old 09-07-09, 11:09 PM   #68
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Quote:
Originally Posted by pflinker View Post
I was wondering it the air mix servo has multiple stops or just goes from a beginning to end in a two position movement. My is currently going full from beginning to end only at the highest temperature setting of 84-85. There is no movement from 65-83 degrees. Just wondering if this is normal of sign of a bad servo.

This is in a 1999 GS300.

Thanks
Well the arm has a long sweep...so it would seem it has variable positions?
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Old 09-07-09, 11:11 PM   #69
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Originally Posted by 5t341th View Post
sorry, i skimed thru the thread only.
is this the motor that moves the vents so it goes to body/feet/body+feet?
if so, when it fails, did yours make noises? my mom's rx300 makes loud buzzing noises
Theres two that generally fail..the one you are talking about is the mode servo and yes, when they fail they make buzzing squeeking noises.
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Old 09-08-09, 12:04 PM   #70
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Quote:
Originally Posted by pflinker View Post
I was wondering it the air mix servo has multiple stops or just goes from a beginning to end in a two position movement. My is currently going full from beginning to end only at the highest temperature setting of 84-85. There is no movement from 65-83 degrees. Just wondering if this is normal of sign of a bad servo.

This is in a 1999 GS300.

Thanks
yes this is a normal sign of a bad servo. arm has several positions

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Originally Posted by 5t341th View Post
sorry, i skimed thru the thread only.
is this the motor that moves the vents so it goes to body/feet/body+feet?
if so, when it fails, did yours make noises? my mom's rx300 makes loud buzzing noises
its funny the rx and gs seem to share this problem how come you dont hear about this problem in the other lexus models?

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Originally Posted by GS430lvr View Post
Well the arm has a long sweep...so it would seem it has variable positions?
its variable

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Originally Posted by GS430lvr View Post
Theres two that generally fail..the one you are talking about is the mode servo and yes, when they fail they make buzzing squeeking noises.
x2 but there are actually 3 that generally fail....the third is drivers servo funny the air recirculation servo NEVER seems to fail i wonder why
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Old 09-16-09, 03:39 PM   #71
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Didnt want to start a new thread, So I'll post here. I am getting a noise from behind my stereo. It sounds like if a cell phone was stuck somewhere and vibrating. It will do it randomly. Its deffinetly NOT coming out of the glovebox. I took out the ac vents and can feel some vibrating there. Could this be a faulty servo? Or is it something else?
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Old 09-16-09, 03:44 PM   #72
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it's a faulty servo motor. you can take the actual electric motor out and re-adjust the arm and then calibrate it again to see if it works, or replace the electric motor inside, or replacement the entire servo assembly.

don't try to force the arm into another position with the electric motor inside; you will snap the gears inside.
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Old 09-17-09, 02:17 AM   #73
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Thanks for the great write up man! This I hope will solve my cricket noise problems! And just FYI, some Toyota dealerships can get Lexus parts for a lot cheaper then what Lexus will charge... I will do this DIY asap.
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Old 09-17-09, 06:59 AM   #74
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I havent been using my ac?? So whats the deal?? Ill try and figure it out, its really annoying
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Old 09-17-09, 12:45 PM   #75
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Quote:
Originally Posted by EN_VY View Post
Didnt want to start a new thread, So I'll post here. I am getting a noise from behind my stereo. It sounds like if a cell phone was stuck somewhere and vibrating. It will do it randomly. Its deffinetly NOT coming out of the glovebox. I took out the ac vents and can feel some vibrating there. Could this be a faulty servo? Or is it something else?
yes its a faulty servo.

Quote:
Originally Posted by ElitistK View Post
it's a faulty servo motor. you can take the actual electric motor out and re-adjust the arm and then calibrate it again to see if it works, or replace the electric motor inside, or replacement the entire servo assembly.

don't try to force the arm into another position with the electric motor inside; you will snap the gears inside.
since i experimented with most of those ideas i find it was just easier to replace the whole thing. just wish someone made a better version of it. seriously why does no other model besides the gs/rx model seem to have this problem?

Quote:
Originally Posted by RacingLuxury View Post
Thanks for the great write up man! This I hope will solve my cricket noise problems! And just FYI, some Toyota dealerships can get Lexus parts for a lot cheaper then what Lexus will charge... I will do this DIY asap.
welcome. and i know...but since there is NO similar toyota model of our car ALL the toyota dealers i called didnt have this part. trust me i tried lol

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Originally Posted by EN_VY View Post
I havent been using my ac?? So whats the deal?? Ill try and figure it out, its really annoying
you dont have to be using it. if its stuck,frozen its gonna make the same noise. sometimes mine did it just on start up. no air on or anything
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2004, 300, ac, clublexus, damper, dash, gs, lexus, lubing, motor, motors, recirculation, rx330, screw, servo, subassembly

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