Volvo C30 2007 Service And Repair Manual page 151

ACCESSORIES AND EQUIPMENT Bumpers And Mudflaps - Installation Instructions, Accessories
Fig. 61: Identifying Locating Lugs
Courtesy of VOLVO CARS CORPORATION
Pull the bumper cover at the lower edge slightly to access the locating lugs on top of the radiator.
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Cut off the two locating lugs where the two first holes are to be drilled.
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Reinstall the bumper cover.
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Fig. 62: View Of Cutting The Right-Hand Side
Courtesy of VOLVO CARS CORPORATION
shows cutting on the right-hand side.
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2012 Volvo C30 T-5