Air/Wind Noise Door Window Speeds under 105km/h 65mph

Use the following procedures to diagnose and correct three possible causes of door window air/wind noise at speeds under 105 km/h (65 mph).

Possible Cause #1

There is a gap where the coupe lock pillar weatherstrip overlaps the roof weatherstrip (cup gap).

Diagnosis

Road test at speeds less than 105 km/h (65 mph) with an assistant using a mechanics stethoscope, Engine Ear J 39565, or equivalent, or a plastic hose to find the source of the leak.

Corrective Action #1

Grasp the middle of the side of the coupe lock pillar weatherstrip with one hand and with the other hand slide the weatherstrip upward in the retainer so it tightly contacts the roof weatherstrip.

Possible Cause #2

There is not enough pressure (4) between the window and the lock pillar weatherstrip.

Diagnosis

Road test at speeds less than 105 km/h (65 mph) with an assistant using a mechanics stethoscope, Engine Ear J 39565, or equivalent, or a plastic hose to find the source of the leak.

Corrective Action #2

Adjust the door window tip in so that the window is flush to 2 mm (0.08 in) inboard of the lock pillar weatherstrip retainer. Refer to Door Window Tip-In Adjustment in Doors.

Possible Cause #3

There is a gap between the roof panel side weatherstrip and the roof panel weatherstrip retainer at the front or the rear corner of the roof. The air/wind noise sounds like it is coming from an upper corner of the door window.

Diagnosis

Road test at 65 km/h (40 mph) with an assistant using a mechanics stethoscope, Engine Ear J 39565, or equivalent, or a plastic hose to find the source of the leak.

Corrective Action #3

1. Remove the roof lift off panel and place the roof panel upside down on a clean dry surface.
2. Remove the screw from the end of the weatherstrip.
3. Partially remove the weatherstrip by carefully peeling the end of the weatherstrip from the top assembly.
4. Apply a bead of urethane based windshield resealant 6 mm (0.2 in) in height.

•	Across the end of the weatherstrip retainer.

•	From the end of the weatherstrip retainer 20 mm (0.8 in) along the upper edge of the retainer.

•	From the end of the weatherstrip retainer 20 mm (0.8 in) along the roof panel at the junction where the roof frame is bonded to the roof panel.

5. Install the weatherstrip and the attaching screw.
6. Clean up any excess sealer with solvent and a clean lint free rag.

Important: When installing the roof panel make sure the front edge of the rear roof bow weatherstrip does not roll rearward and block the drain trough down the middle of the weatherstrip.

7. Install the roof lift off panel.

Air/Wind Noise Door Window Speeds over 105km/h 65mph

Use the following procedures to diagnose and correct two possible causes of door window air/wind noise at speeds over 105 km/h (65 mph).

Possible Cause #1

There is not enough pressure between the window and the lock pillar weatherstrip (4).

Diagnosis

Road test at over 105 km/h (65 mph) with an assistant using a mechanics stethoscope, Engine Ear J 39565, or equivalent, or a plastic hose to find the source of the leak.

Corrective Action

Adjust the door window tip in so that the window is flush to 2 mm (0.08 in) inboard of the lock pillar weatherstrip retainer. Refer to Door Window Tip-In Adjustment in Doors.

Possible Cause #2

The gap between the window and the blow out clip is to wide.

Diagnosis

Road test at over 105 km/h (65 mph) with an assistant using a mechanics stethoscope, Engine Ear J 39565, or equivalent, or a plastic hose to find the source of the leak.

Corrective Action

1. Adjust the blow out clip clearance.
2. Slam the door to insure accurate readings.
3. Measure the clearance between the blow out clip and the door window.
4. With a rubber hammer adjust the blow out clip clearance to the window to 4 mm (0.16 in) within 1 mm (0.04 in).

Air/Wind Noise Door Window At 65km/h 40mph

Possible Cause

There is a gap between the roof panel side weatherstrip and the roof panel weatherstrip retainer at the front or the rear corner of the roof. The air/wind noise sounds like it is coming from an upper corner of the door window.

Diagnosis

Road test at 65 km/h (40 mph) with an assistant using a mechanics stethoscope, Engine Ear J 39565, or equivalent, or a plastic hose to find the source of the leak.

Corrective Action

1. Remove the roof lift off panel and place the roof panel upside down on a clean dry surface.
2. Remove the screw from the end of the weatherstrip.
3. Partially remove the weatherstrip by carefully peeling the end of the weatherstrip from the top assembly.
4. Apply a bead of urethane based windshield sealant 6 mm (0.2 in) in height.

•	Across the end of the weatherstrip retainer.

•	From the end of the weatherstrip retainer 20 mm (0.8 in) along the upper edge of the retainer.

•	From the end of the weatherstrip retainer 20 mm (0.8 in) along the roof panel at the junction where the roof frame is bonded to the roof panel.

5. Install the weatherstrip and the attaching screw.
6. Clean up any excess sealer with solvent and a clean lint free rag.

Important: When installing the roof panel make sure the front edge of the rear roof bow weatherstrip does not roll rearward and block the drain trough down the middle of the weatherstrip.

7. Install the roof lift off panel.