Quarter Outer Panel Replacement GMC

Caution: Refer to Approved Equipment for Collision Repair Caution in the Preface section.

1. Remove all related panels and components. Refer to Roof Outer Panel Replacement .
2. Restore as much of the damage as possible to factory specifications.
3. Note the location and remove the following materials, as necessary:

•	The sealers

•	The sound deadeners

•	The anti-corrosion materials





Important: Do not damage any inner panels or reinforcements.

4. Locate, and drill out all factory welds. Note the number and location of welds for installation of the service part.



5. Remove the damaged quarter panel.

Important: In any area with excessive damage, space the plug weld holes every 40 mm (1½ in) apart.

1. Drill 8 mm (0.3 in) plug weld holes in the service part as necessary in the locations noted from the original panel.



2. Prepare all of the mating surfaces as necessary.
3. Apply GM-approved Weld-Thru Coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair .
4. Position the quarter panel.



5. Plug weld accordingly.



6. Clean and prepare all of the welded surfaces.
7. Apply the following products, as necessary:

•	The sound deadening materials

•	An approved anti-corrosion primer

•	The sealers and refinish as necessary

8. Install all of the related panels and components.

Quarter Outer Panel Replacement Chevrolet

Caution: Refer to Approved Equipment for Collision Repair Caution in the Preface section.

1. Remove all related panels and components. Refer to Roof Outer Panel Replacement .
2. Restore as much of the damage as possible to the factory specifications.
3. Note the location and remove the following materials, as necessary:

•	The sealers

•	The sound deadeners

•	The anti-corrosion materials





Important: Do not damage any of the inner panels or the reinforcements.

4. Locate, and drill out all of the factory welds. Note the number and location of the welds for the installation of the service part.



5. Remove the damaged quarter panel.

Important: In any area with excessive damage, space the plug weld holes every 40 mm (1½ in) apart.

1. Drill 8 mm (0.3 in) plug weld holes in the service part as necessary in the locations noted from the original panel.



2. Prepare all mating surfaces as necessary.
3. Apply GM-approved Weld-Thru Coating or equivalent to all mating surfaces. Refer to Anti-Corrosion Treatment and Repair .
4. Position the quarter panel.



5. Plug weld accordingly.



6. Clean and prepare all welded surfaces.

Caution: Properly seal the fuel filler opening before you position the quarter panel. Failure to seal the opening could allow exhaust gas to leak into the interior of the vehicle, causing personal injury.

7. To create a solid weld with minimum heat distortion, make 25 mm (1 in) stitch welds along the seam with 25 mm (1 in) gaps between them. Then go back and complete the stitch weld.
8. Apply the following products, as necessary:

•	The sound deadening materials

•	An approved anti-corrosion primer

•	The sealers and refinish as necessary

9. Install all related panels and components.