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Clicking Noise While Driving Lexus RX300

20 messages,  Last post on Dec 20, 2011 at 9:45 AM

You are in the Lexus RX 300/330/350 Forum.

What is this discussion about? Lexus RX 300, Lexus RX 330, Lexus RX 350, SUV

Messages Page 3 of 3

#18 of 20 Re: Clicking Noise [wwest] by thant

Feb 12, 2011 (6:57 pm)

Replying to: wwest (Mar 01, 2009 12:23 pm)
Hi,
I had same situation on my car and problem was the air vantilation switch control with electric motor, which is can able to find under desh. When switching the air flow position electric motor control the vantilation valve inside the aircondition unit, which is inside the main unit. So, can able to find two switch close each other ( top and bottom ).
They also link together I think. For my car, inside the top switch electric motor gear tip was worn out. so, sometime not in the right position make can not contact with other control switch then try to get contact but slip the gear caused noise. So I remove top switch and open the cover then put some very thinn rubber ( about 1mm ) stick top of the electric motor gear tip to make sure gear not to loose or slip. If top switch is working ok the bottom switch no more making the noise.
 My cas is right hand drive, so switch is on left hand side behind glove box. You can able to find very easy after turn the air condition on and try to change the vantilation position.

#19 of 20 Re: Clicking Noise [thant] by dgemechu

Feb 20, 2011 (9:37 am)

Replying to: thant (Feb 12, 2011 6:57 pm)
Simple temporary fix:
 
Turn the heater to MAX leave it on for 3-4 minutes and turn it off; that will take care of it for days or weeks, when it comes back do the same thing. I know it’s not a permanent fix, but it will take care of the annoying noise and keep you about 7 Benjamin in ur pockets.
 
Good Luck!

#20 of 20 Re: Clicking Noise [thant] by paklink12000

Dec 20, 2011 (9:45 am)

Replying to: thant (Feb 12, 2011 6:57 pm)
TEMPERATURE SERVO MOTOR is the problem. You will eventually have to replace it. It is a costly item to be installed. If you can do it yourself, it would be cheaper.

Messages Page 3 of 3

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