Section D - Sunroof Motor
NOISE FROM THE SUNROOF MOTORThis section describes how to repair noise which occurs when the sunroof motor starts and/or operates the sunroof.
D1
TICKING NOISE
OCCURS:
Cars with chassis numbers before
854, approx. 200000
855, approx. 100000
(Concerns component 13, see sunroof components).
^ Usually this noise is heard from the front edge of the sunroof when it is operated or when the car is being driven.
^ When the drive cables knock on the outer sheaths.
^ when there is insufficient grease.
ANALYSIS METHOD:
^ Listen at the front corner of the sunroof while it is being operated forward or backward.
^ Check that the plastic pipes are not split or broken.
^ Check that the outer sheaths are not split or broken.
ACTION:
- Install textile tape if the outer sheaths are contacting each other or nearby components.
- If the noise persists, remove the inner panel and roof at the door according to the service manual.
- Replace the outer cable sheaths with new ones as described in the service manual.
- Reinstall sunroof according to service manual.
- Reinstall panels according to service manual.
- Test drive and check that the noise has stopped.
- Replace the plastic pipes if necessary.
- Replace the outer sheaths if necessary.
- Replace the drive cables (usually plastic cables) if necessary, according to the service manual: Section 8 (82-86, 88) Interior, exterior 850- 1993-)
D5
METALLIC NOISE AT THE MOTOR
OCCURS:
^ Usually when the motor starts or stops.
(Component 6 in the illustration sunroof components).
ANALYSIS METHOD:
^ Remove the cover panel and check that the screws holding the motor in place are tightened to 2 Nm (1.5 ft. lbs).
^ Check that the motor is securely in place.
ACTION:
- Install new screws (P/N 969478-7) and washers (P/N 191156-9). tighten screws to 2 Nm (1.5 ft. lbs).