Volvo C30 2007 Service And Repair Manual page 344

ACCESSORIES AND BODY, CAB Interior - Installation Instructions, Accessories
Fig. 42: Identifying LH Mounting Screw
Courtesy of VOLVO CARS CORPORATION
Install the left-hand mounting with the existing screw. Torque tighten the screw to 24 Nm (18 lbf. ft.) .
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Fig. 43: Identifying Floor Carpet Mounting Eyelet Marking
Courtesy of VOLVO CARS CORPORATION
Fold the floor carpet back under the mounting.
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Mark with a pen where the mounting eyelet shall go through the carpet.
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2012 Volvo C30 T-5