Whistle Wind Noise from Upper W/S or Corner Reveal Mldg (Apply Urethane Adhesive)

This bulletin is being revised to update model information, repair procedures and labor times. Please discard Corporate Bulletin Number 00-08-48-002 (Section 8 -- Body & Accessories).

Some customers may comment that at combined vehicle and wind speeds of 80 km/h (50 mph) and above and with outside air temperatures of 24 C (75 F) and above, a whistle type noise (similar to a train whistle) can be heard coming from:

This condition may be due to wind getting up underneath the trailing edge of the windshield reveal molding causing it to flutter/vibrate against the DeVille roof panel and the LeSabre windshield pillar panel.

Fill the gap between the panel edge and the windshield reveal molding by applying a bead of urethane adhesive. Refer to the appropriate repair procedure.

1. Windshield Reveal Molding
2. Windshield Pillar Panel
3. Windshield Pillar Panel Edge
4. Area to be Cleaned
5. Urethane Adhesive
6. Glass

1. Use a 50/50 mixture of isopropyl alcohol and water by volume on a dampened lint-free cloth to clean the area (4) underneath the trailing edge of the windshield reveal molding (1) and the windshield upper corner pillar surface starting at the roof to pillar joint and ending 25.4 mm (10 in) down the pillar (a).

Important: Tape application must be close to the panel edge (3) while allowing enough space for the adhesive bead (5) to be applied without touching the tape.

2. Apply 19 mm (¾ in) wide masking tape underneath the trailing edge of the windshield reveal molding (1) starting at the roof to pillar joint and ending 25.4 mm (10 in) down the pillar (a).
3. Apply 5 cm (2 in) wide masking tape overlapping the 19 mm (¾ in) wide masking tape in order to protect the painted surface of the windshield upper corner pillar (2).

Important: Use extreme care to ensure that the adhesive does not come in contact with any painted portions of the vehicle.

4. Use a plastic trim stick to hold back the windshield reveal molding (1) and apply a smooth, continuous bead of the urethane adhesive (5) between the underside of the windshield reveal molding and the panel edge (3) starting at the roof to pillar joint and ending 25.4 mm (10 in) down the pillar (a). Use the Urethane Adhesive Caulking Kit, U.S. P/N 12346392, Canadian P/N 10952983, or the equivalent* such as Speed Set ™ Windshield Sealant from Kent Industries, P/N 10545.

* Refer to Corporate Service Bulletin Number 83-15-16 for additional information on urethane adhesives equivalent to P/N 12346392.

5. Repeat Step 4 on the opposite side of the vehicle.
6. After applying the adhesive, ensure the molding is laying flat with no wrinkles.

Important: Do not physically disturb the repair area until after the minimum time has elapsed. Allow a minimum of 1 hour for the chemical-curing type urethane adhesive.

7. Carefully remove the protective masking tape from the painted surface of the roof panel.
8. Clean any excess urethane adhesive from the body.

1. Upper Windshield Reveal Molding
2. Roof Panel
3. Area to be Cleaned
4. Roof Panel Edge
5. Urethane Adhesive
6. Glass

1. Use a 50/50 mixture of isopropyl alcohol and water by volume on a dampened lint-free cloth to clean the area (3) underneath the trailing edge of the upper windshield reveal molding (1) and the roof panel surface (2) from one side of the vehicle to the other.

Important: Tape application must be close to the roof panel edge (4) while allowing enough space for the adhesive bead (5) to be applied without touching the tape.

2. Apply 19 mm (¾ in) wide masking tape underneath the trailing edge of the upper windshield reveal molding (1) from one side of the vehicle to the other.
3. Apply 5 cm (2 in) wide masking tape overlapping the 19 mm (¾ in) wide masking tape in order to protect the painted surface of the roof panel (2).

Important: Use extreme care to ensure that the adhesive does not come in contact with any painted portions of the vehicle.

4. Use a plastic trim stick to hold back the upper windshield reveal molding (1) and apply a smooth, continuous bead of the urethane adhesive (5) between the underside of the windshield reveal molding and the roof panel edge (4) from the center of the upper windshield to one side of the vehicle. Use the Urethane Adhesive Caulking Kit, U.S. P/N 12346392, Canadian P/N 10952983, or the equivalent* such as Speed Set ™ Windshield Sealant from Kent Industries, P/N 10545.

* Refer to Corporate Service Bulletin Number 83-15-16 for additional information on urethane adhesives equivalent to P/N 12346392.

5. Repeat Step 4 on the opposite side of the vehicle.
6. After applying the adhesive, ensure the molding is laying flat with no wrinkles.

Important: Do not physically disturb the repair area until after the minimum time has elapsed. Allow a minimum of 1 hour for the chemical-curing type urethane adhesive.

7. Carefully remove the protective masking tape from the painted surface of the roof panel.
8. Clean any excess urethane adhesive from the body.

Parts are currently available from GMSPO.

For vehicles repaired under warranty, use: