Disc Calipers & Pads - Front: Installation

1. Using silicone lubricant, coat and install new sleeves and rubber bushings in caliper ears. Attach shoe support spring to inboard shoe. Ensure that shoe is installed in caliper with wear indictor to rear of vehicle.
2. Position outboard shoe in caliper. Engage tab at bottom of shoe with caliper cutout and shoe ears with caliper ears at top of shoe. Place caliper over rotor, aligning caliper ears with mounting holes.
3. Start bolts or pins through inboard caliper ears and mounting bracket. Make sure bolts or pins pass under retaining ears of inboard shoes.
4. Push bolts or pins through caliper to engage hole in outboard shoe and ears of caliper. Thread bolts into mounting bracket and tighten.
5. Add brake fluid to fill master cylinder to within 1/8" of top. Pump brake pedal to seat shoes against rotor. Clinch outboard brake shoes.
6. To clinch outboard shoes, wedge a large flat blade screwdriver or similar tool between the outboard shoe flange and the hat section of the rotor. See Fig 1 .
   Fig 1: Prying Up On Outboard Brake Shoe

   Courtesy of GENERAL MOTORS CORP.
7. Depress brake pedal to clamp pads to rotor. While maintaining pressure on brakes and prying up on shoe with screwdriver, hammer outboard shoe tabs at a 45-degree angle. See Fig 2 .

Fig 2: Clinching Tabs on Outboard Shoe