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2008 - MX-5 - Body and Accessories

No.5 ABNORMAL NOISE WHILE THE DOOR GLASS IS OPENIGN OR CLOSING [POWER WINDOW SYSTEM]



5

Abnormal noise while the door glass is opening or closing

POSSIBLE CAUSE

  • 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.

    • Gear deformity in the power window motor.

NOTE:

  • Identify the location of the noise using a stethoscope or similar device.


Diagnostic procedure

Noise type

Time of occurrence

Possible cause

Location of noise

Action

Clanking noise

Door glass begins to move

Insufficiently tightened installation screw between the door glass and carrier plate.

Between door glass lower edge and carrier plate.

Securely tighten the installation screw.

Groaning noise

(Sound increases due to use)

While door glass is operating

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.

Power window regulator

Replace the power window regulator

(See POWER WINDOW REGULATOR REMOVAL/INSTALLATION.)

Whining noise

Gear inside power window motor is deformed due to use.

Gear in power window motor

Replace the power window motor

(See POWER WINDOW REGULATOR REMOVAL/INSTALLATION.)

Clicking noise

(Periodic noise)




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