Volvo C30 2007 Service And Repair Manual page 52

ACCESSORIES AND BODY, CAB Body Frame - Removal, replacement and installation
INSTALLING THE OUTER SECTION OF THE UPPER SIDE MEMBER
Grind clean.
Apply welding primer.
Secure the upper side member.
Spot-weld the replacement part. Tip diameter Ø 8 mm.
FINISHING WORK (COMMON TO BOTH METHODS)
SUPPLEMENTARY WORK AND INSTALLING COMPONENTS
Seal. See: BODY SEAL, SEALING DIAGRAM .
Rustproof. See: RUSTPROOFING .
Install components. See: FRONT SECTION, EXPOSING .
SPARE WHEEL WELL
Remove the outer back piece. See TAIL SECTION EXTERNAL
Determine the extent of the damage. See REAR SECTION
Welding body components. See WELDING, GENERAL
Fig. 21: Removing Spare Wheel Well (1 Of 4)
Courtesy of VOLVO CARS CORPORATION
2012 Volvo C30 T-5