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Sunroof - Wind Noise Traveling Over 50 MPH

Bulletin No.: 041/93
Issued: 10/15/93
Revised:

Category
S

Applicable Model/s
1993 929 with Glass Sunroof

Subject:
WIND NOISE FROM SUNROOF

APPLICABLE MODELS/VINS
929 1993 - Vehicles with a VIN of JM1HD461*PO100001 through JM1HD461*P0199999

NOTE:
The asterisk (*) in the VIN range can be any number (0 through 9) or "X".

DESCRIPTION
Wind noise may be heard from the sunroof area when traveling over 50 MPH (80 Km/H). This is caused by a gap between the sunroof weatherstrip and the roof. Follow the adjustment procedures adjustment procedures in this bulletin to correct this problem.

INSPECTION PROCEDURE





1. Check the gap between the sunroof and the roof (front and rear) using a business card. If the card can be inserted, the sunroof requires adjustment. (Fig. 1)





If the card can not be inserted, look for other sources of wind noise. Refer to the section S of the workshop manual or the NVH manual for troubleshooting procedures. (A cross section of the sunroof is shown in Fig. 2)

ADJUSTMENT PROCEDURE
There are 2 methods for adjusting the gap between the sunroof and the roof panel.





1. If the gap appears in the rear of the sunroof, loosen the panel mount screw on the side of the sunroof.
2. Place a spacer (3 mm (.12in.)) in the front opening of the sunroof and close normally. (Fig. 3)

NOTE:
Spacer should be made of rubber or equivalent to prevent body damage.

3. Tighten panel mount screws.
4. Repeat for other (left or right) side.

1. It the gap is in the front or rear, loosen the two mounting screws on the side of the sunroof.
2. Apply pressure in the direction the sunroof needs adjusting while tightening the mounting screws.
3. Repeat for other (left or right) side.
4. Inspect the weatherstrip around the outside of the sunroof panel. If the weatherstrip seam has separated creating a gap, take in the slack and pull the ends back together.





5. Glue the weather strip in place to eliminate the gap. (Refer to Fig. 4)

WARRANTY INFORMATION
(Applies To Vehicles Covered Under Normal Warranty)
Warranty Type: A
Customer Comment Code: 82
Damage Code: 99
Part Number Main Cause: HG30 66 941B
Quantity: 0
Operation Number: XX0551RX
Labor Hours: 0.5 Hrs.