This special mounting pin is just what you need to correct a loose accelerator pad. This OEM design allows the accelerator pad to attach to the accelerator arm correctly and tightly. Replacing this pin will fix the problems...
Buick Century Parts - Grommet & Sleeve
OER Parts offers a selection of Grommet & Sleeves for your Buick Century. OER Parts offers Buick Century Accelerator Pedal Firewall Bushings, Buick Century Nylon Accelerator Cable Retainer, Buick Century Accelerator Shaft Seal, Buick Century Accelerator Rod Grommet and Sleeve Set, and Buick Century Accelerator Pedal Seal.