Door (Front) - High Closing Effort

File In Section: 08 - Body and Accessories

Bulletin No.: 99-08-64-027

Date: October, 1999

TECHNICAL

Subject:
Front Door High Closing Effort
(Adjust Striker and Replace Weatherstrip Assemblies)

Models:
1999 Chevrolet Silverado and GMC Sierra Models
Built Prior to October 20, 1998

Condition

Some owners may comment that a high effort is required to close either front door.

Cause

This condition may be caused by any of the following conditions:

^ The seal gaps between the body and the door sheet metal may be out of specification.

^ The door striker is adjusted improperly.

^ The body seals may not have a tolerance to the sheet metal.

Correction

Adjust the door striker. Some vehicles may be corrected by adjusting the door striker only, if not replace the door weatherstrips using the part numbers listed below. Use the following procedure in order to improve the door closing effort. Refer to the Doors subsection of the Silverado and Sierra Service Manual.

1. Verify the condition. This will aid in your evaluation of the correction.

2. Adjust the door striker.

3. Verify the door closing effort. If the effort has not improved, replace the weatherstrips as necessary.

Important:
For vehicles built before August 15, 1998, replace all the weatherstrips. For vehicles built after August 15, 1998, replace only the front side door drip weatherstrip.

Front Side Door Roof Drip Weatherstrip Replacement

1. Remove the weatherstrip from the pinchweld flange.

2. Install the weatherstrip onto the pinchweld flange. Completely seat the weatherstrip around the flange.

Front or Front and Rear Side Door Weatherstrip Replacement

1. Remove the door sill plate.

2. Remove the hinge pillar trim panel. Refer to the Interior Trim subsection of the Service Manual.

3. Remove the rear seat assembly (extended cab vehicles only). Refer to the Seats subsection of the Service Manual.

4. Remove the rear quarter trim panel. Refer to the Interior Trim subsection of the Service Manual.

5. Remove the weatherstrip from the door opening.

6. Install the weatherstrip to the door opening using the following procedure:

6.1. Position the end of the new weatherstrip in the same location as the weatherstrip you are replacing.

6.2. Push the weatherstrip onto the pinchweld flange. Start at the end and work around the entire edge of the door opening.

7. Install the rear quarter trim panel. Refer to the Interior Trim subsection of the Service Manual.

8. Install the rear seat assembly (extended cab vehicles only). Refer to the Seats subsection of the Service Manual.

9. Install the hinge pillar trim panel. Refer to the Interior Trim subsection of the Service Manual.

10. Install the door sill plate.

Rear Side Door Weatherstrip Replacement (Extended Cab Only)

1. Remove the third door trim panel assembly. Refer to the Interior Trim subsection of the Service Manual.

2. Remove the weatherstrip from the door edge.

3. Install the weatherstrip to the door edge

4. Install the third door trim panel assembly. Refer to the Interior Trim subsection of the Service Manual.





Parts Information

Warranty Information





For vehicles repaired under warranty, use the table.