NO.7 ABNORMAL NOISE DURING THE POWER WINDOW OPERATION [POWER WINDOW SYSTEMS (WITH AUTO-OPEN/CLOSE FUNCTION FOR DRIVER-SIDE)]

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7
Abnormal noise during the power window operation.
POSSIBLE CAUSE
•  Loosen bolt for installing the door glass to the carrier plate.
•  Deform resin part on the regulator.
―  Wear mark on the resin part caused by cable.
―  Deform gear inside regulator motor.
Note
•  Identify the noise generating place using the stethoscope or any equivalent. .

Diagnostic procedure

Abnormal noise

Occurrence timing

Possible route cause

Noise generating place

Action
Clicking noise
Beginning of door glass operation
Loosen bolt for installing the door glass to carrier plate.
Between carrier plate and lower side of door glass.
Re-tighten bolt.
Groaning noise
While operating door glass
Noise is created due to the wear mark on the resin part of the regulator guide caused by cable.
Note
•  There is no groaning noise on the vehicle equipped with roller type regulator guide..
Regulator guide.
Replace regulator guide
Booming noise
Deform gear inside regulator motor
Gear inside regulator motor
Replace the regulator motor
Chattering noise

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