Removal/Installation

REMOVAL

Fig. 2 Bottoming Position In Bore:

Fig. 3 Removing Caliper Support Key:

Fig. 4 Removing Or Installing Caliper:

1. Siphon two-thirds of brake fluid from master cylinder reservoir serving front disc brakes.
2. Raise vehicle, support on jack stands and remove front wheels.
3. Bottom the caliper piston in bore. Insert a screwdriver between inboard shoe and piston, then pry piston back into bore. The piston can also be bottomed in the bore with a large C-clamp, Fig. 2.
4. Remove support key retaining screw.
5. Drive caliper support key and spring from steering knuckle with a suitable drift and hammer, Fig. 3.
6. Lift caliper from anchor plate and off rotor, Fig. 4. Hang caliper from coil spring with wire. Do not allow caliper to hang from brake hose.
7. Remove inboard pad from steering knuckle, then the anti-rattle spring from the pad.
8. Remove outboard pad from caliper. It may be necessary to loosen the pad with a hammer to permit removal.

INSTALLATION
1. Clean and lubricate sliding surfaces of caliper and the anchor plate with Delco Silicone Lube, P/N 5459912, or equivalent.
2. Install anti-rattle spring on inboard pad, and ensure looped section of clip is facing away from rotor.
3. Install inboard pad in steering knuckle.
4. Install outboard pad in caliper. Ensure pad is seated fully into outboard arms of caliper. It may be necessary to tap the ears and bottom tab with a hammer to seat the pad being careful not to hit the friction material.
5. Place caliper assembly over rotor and position in steering knuckle. Ensure dust boot is not torn or improperly positioned by inboard pad during caliper installation.
6. Align caliper with steering knuckle abutment surfaces, then insert support key and spring between abutment surfaces at the trailing end of caliper and steering knuckle. With a hammer and brass drift, drive caliper support key and spring into position, then install and torque support key retaining screw to 12-18 ft. lbs.
7. Refill master cylinder to within one inch of rim. Press brake pedal several times to seat pads.
8. Install front wheels and lower vehicle.