Volvo C30 2007 Service And Repair Manual page 41

ACCESSORIES AND BODY, CAB Body Frame - Removal, replacement and installation
REMOVING THE OUTER SECTION OF THE LOWER SIDE MEMBER
Fig. 10: Identifying Side Member Cutting Area
Courtesy of VOLVO CARS CORPORATION
If the entire side member does not need replacing, see the cutting point in the illustration.
Remove:
the support plate

the front side panel. See: BRACKET FRONT PIECE

the wheel arch: FRONT WHEEL BEARING.

Cut the side member 30 mm (M1) from the 2 square holes or replace the entire member.
Grind and drill out the member.
REMOVING THE INNER SECTION OF THE LOWER SIDE MEMBER
2012 Volvo C30 T-5