Tack weld the side sill reinforcement (A) and the reinforcement rear extension (B).

Install the new center pillar inner separator (A) on the side sill reinforcement (B).

NOTE: Apply the sealer (C) all the way around the separator and inside the center pillar stiffener (D) without gaps.

Clamp the center pillar stiffener, and tack weld it into position.

Install the new front pillar inner separator, and tack weld the front pillar lower stiffener into position.

Weld the patch (A) at the cut section of the body side outer panel (B) and weld the outer panel reuse part (C).

Rough-cut the front side outer panel repair part, and clamp it to the body.

Check the dimensions.

Temporarily install the door, the hood, and the front fender, then check for differences in level and clearance.

Check the external parts fitting position. Make sure the body lines flow smoothly.

Trim the cut and joint areas of the outer panel repair part as needed, and prepare the butt-welding connections.

From inside the passenger's compartment, plug weld the hole in the inner lower pillar (A) and the front of side sill reinforcement (B).

From inside the passenger's compartment, weld the side sill reinforcement (A) to the center pillar inner (B) and the inside sill (C).

Remove the outer panel repair part, and weld the center pillar stiffener (A) to the roof side stiffener (B) and the side sill reinforcement (C).

Weld the front pillar lower stiffener.

Weld the patch (A) at the cut section of the body side outer panel (B).

Install the new center pillar outer separator (A) on the center pillar stiffener (B).

NOTE: Apply the sealer (C) all the way around the separator and inside the outer panel repair part (D) without gaps.

Install the new front pillar outer separator on the front pillar lower stiffener, and apply the sealer.

Clamp the outer panel repair part , and recheck the clearance and alignment of the door, and the front fender.

Do the main welding. Weld the outer panel repair part (A) and the patch (B).