For 1990-2009 cars

1. Note the position and amount of the spot welds.
2. Drill the spot welds from:

2.1. | The frame body side rear

2.2. | The panel C-pillar inner

2.3. | The rail roof inner side

2.4. | The panel back body pillar inner upper

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

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

5. Prime with a 2-part catalyzed primer.
6. 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.
7. Clean the surface for welding and grind the primer off of the new part at the connecting points. Apply 3M® Weld-Thru Coating P/N 05913, or equivalent, to all areas to be welded.
8. Measure and align the panel assembly quarter inner upper. Clamp into place.
9. Use a MIG to plug the weld.