Inspect the disc brake pads for oil or grease contamination, abnormal wear or cracking, and for deterioration or damage due to heat. Check the thickness of the pads; the minimum allowable thickness is 1 / 8 in. Always replace the brake pads in axle sets; never replace just one pad of a brake assembly.
Removal & Installation
- Remove and discard half the brake fluid from the master cylinder. Properly dispose of the used brake fluid.
- Raise and safely support vehicle. Remove the front wheel and tire assemblies.
- Remove the caliper locating pins and remove the caliper from the anchor plate and rotor, but do not disconnect the brake hose.
- Remove the outer brake pad from the caliper assembly and remove the inner brake pad from the caliper piston.
- Inspect the disc brake rotor for scoring and wear. Replace or machine, as necessary.
- Suspend the caliper inside the fender housing with a length of wire. Do not let the caliper hang by the brake hose.
- Use a large C-clamp and wood block to push the caliper piston back into its bore.
- Install new locating pin insulators in the caliper housing, Check to see if both insulator flanges straddle the housing holes.
- Install the inner brake pad in the caliper piston. Be careful not to bend the pad clips in the piston, or distortion and rattles can result.
- Install the outer brake pad, making sure the clips are properly seated. The outer pads are marked left-hand (LH) and right-hand (RH) and must be installed in the proper caliper.
- Install the caliper over the rotor with the outer brake pad against the rotor's braking surface. This prevents pinching the piston boot between the inner brake pad and the piston.
- Lubricate the caliper locating pins and the inside of the locating pin insulators with silicone dielectric grease. Install the caliper locating pins and thread them into the spindle/anchor plate assembly by hand.
- Tighten the caliper locating pins to 45-65 ft. lbs. (61-88 Nm).
- Install the wheel and tire assembly. Lower the vehicle.
- Pump the brake pedal prior to moving the vehicle to seat the brake pads. Refill the master cylinder.
- Road test the vehicle.