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

1. Remove all of the related panels and components including rear door opening section and outer quarter panel. Refer to Rear Pillar Sectioning Quarter 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 reinforcements. Drill through the wheel house panel only.

4. Locate and drill out all of factory welds holding the baffle to the wheel house and remove.



5. Locate and drill out all of the factory welds attaching the wheel house panel. Note the number and location of welds for installation of the service part.



6. Remove the damaged wheelhouse section.

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 attachment surfaces as necessary.
3. Apply 3M Weld-Thru Coating P/N 05916 or equivalent to all mating surfaces.



4. Position the outer wheel house front.



5. Plug weld accordingly.



6. Position the baffle to the wheel house
7. Plug weld accordingly.



8. Clean and prepare all of the welded surfaces.

Important: Prior to refinishing, refer to publication GM 4901M-2001 GM Approved Refinish Materials for the recommended products. Do not combine the paint systems. Refer to the paint manufacturer's recommendations.

9. Apply the following products, as necessary:

•	The sound deadening materials

•	An approved anti-corrosion primer

•	The sealers and refinish as necessary

10. Install all of the related panels and components.