Volvo C30 2007 Service And Repair Manual page 161

ACCESSORIES AND EQUIPMENT Bumpers And Mudflaps - Installation Instructions, Accessories
Fig. 80: Identifying Engine Splash Guard Screws
Courtesy of VOLVO CARS CORPORATION
Install the engine splash guard using two existing screws and the seven screws with washers from the kit

according to the diagram.
NOTE: The two rear screws must have two spacer washers each between the mounting
lug and the subframe as shown below.
Fig. 81: View Of Mounting Lug And Subframe Screws
Courtesy of VOLVO CARS CORPORATION
2012 Volvo C30 T-5