Mazda CX-7 2007 Workshop Manual page 1409

SYMPTOM TROUBLESHOOTING [POWER WINDOW SYSTEMS (AUTO-OPEN/
No.4 ABNORMAL NOISE WHEN THE DOOR GLASS IS OPENING OR CLOSING[POWER WINDOW SYSTEMS
(AUTO-OPEN/CLOSE FUNCTION)]
4 Abnormal noise when the door glass is opening or closing
• Installation screw is loose between the door glass and carrier plate.
• Deformity in the power window regulator plastic part due to use.
— Scratching, wear marks to the power window regulator resin part due to twisting of the cable.
POSSIBLE
— Gear deformity in the power window motor.
CAUSE
Note
• Identify the location of the noise using a stethoscope or similar device.
Diagnostic procedure
Time of
Noise type
occurrence
Clanking noise Door glass
begins to move
Groaning noise While door glass
(Sound is operating
increases due to
use)
Whining noise
Clicking noise
(Periodic noise)
End Of Sie
CLOSE FUNCTION)]
Possible cause
Insufficiently tightened installation
screw between the door glass and
carrier plate.
Vibration caused by wear on the
resin part from cable twisting due
to use of the power window
regulator.
Note
• Noise does not occur if a
roller is equipped to power
window regulator resin part.
Gear inside power window motor is
deformed due to use.
Location of noise
Between door glass
lower edge and carrier
plate.
Power window regulator Replace the power
Gear in power window
motor
RESIN PART
POWER WINDOW MOTOR
id090360810000
Action
Securely tighten the
installation screw.
window regulator
(See 09-12-5 FRONT
POWER WINDOW
REGULATOR REMOVAL/
INSTALLATION.)
(See 09-12-6 REAR
POWER WINDOW
REGULATOR REMOVAL/
INSTALLATION.)
Replace the power
window motor
(See 09-12-7 POWER
WINDOW MOTOR
REMOVAL/
INSTALLATION.)
CARRIER PLATE
POWER WINDOW
REGULATOR
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09-03A–13
09-03A