For 1990-2009 cars

1. Note the amount and location of the spot welds.
2. Remove the doors, trim, seat belts, and wiring from the center pillar.
3. Remove the sealer and drill spot welds from:

3.1. | The inner and outer rocker panel

3.2. | The rear side door ring outer panel

3.3. | The roof inner side panel

4. Clean all of the weld seams with a wire brush, prime, and seal all of the repair areas.
5. Apply a permanent underbody sealant.

Important: Ensure that proper corrosion protection processes are used on all repair areas.

6. Prime with a 2-part catalyzed primer.
7. Apply sealers and corrosion protection materials according to the information in the Body Paint section of this service manual or the paint manufacturer's recommendations.
8. Clean the surface for welding and grind the primer off of the new part connecting points. Apply 3M® Weld-Thru Coating P/N 05913, or equivalent, to all of the areas to be welded.
9. Measure and align the center pillar inner panel. Clamp into place.
10. Use a MIG to plug the weld.