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    2002 Lincoln Truck Navigator 4WD 5.4L SFI DOHC 8cyl

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    See Details

    Jeep CJ/Scrambler 1971-1986 Repair Guide

    Brake Pads

    Print

    REMOVAL & INSTALLATION



    See Figures 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10

    1977-1981 Models


    Click image to see an enlarged view

    Fig. Fig. 1: Exploded view of front brake components used on models through 1981, without locking hubs



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    Fig. Fig. 2: Exploded view of front brake components used on models through 1981, with locking hubs



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    Fig. Fig. 3: Front brake assembly as seen on models with locking hubs



    Click image to see an enlarged view

    Fig. Fig. 4: Use a C-clamp to move the caliper and seat the caliper piston, this will make pad removal easier



    Click image to see an enlarged view

    Fig. Fig. 5: Use a 1/4 inch Allen wrench to loosen the caliper support key retaining bolt



    Click image to see an enlarged view

    Fig. Fig. 6: Remove the support key retaining bolt



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    Fig. Fig. 7: Use a hammer and drift to remove the caliper support key and spring



    Click image to see an enlarged view

    Fig. Fig. 8: Tilt the caliper back and remove it, do not let the caliper hang by the brake line



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    Fig. Fig. 9: Remove the front brake pad from the caliper



    Click image to see an enlarged view

    Fig. Fig. 10: Remove the inner pad and anti-rattle clip, do not forget to install the clip on the new brake pads


    CAUTION
    Most brake shoes contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from any brake surface! When cleaning brake surfaces, use a commercially available brake cleaning fluid.

    1. Remove 2 / 3 of the brake fluid from the front reservoir.
    2.  
    3. Raise the vehicle so that the wheel to be worked on is off the ground. Support the vehicle with jackstands.
    4.  
    5. Remove the front wheels.
    6.  
    7. Place a C-clamp on the caliper so that the solid end contacts the back of the caliper and the screw end contacts the metal part of the outboard brake pad.
    8.  
    9. Tighten the clamp until the caliper moves far enough to force the piston to the bottom of the piston bore. This will back the brake pads off the rotor surface to facilitate the removal and installation of the caliper assembly.
    10.  
    11. Remove the C-clamp.
    12.  

    Do not push down on the brake pedal or the piston and brake pads will return to their original positions up against the rotor.

    1. Remove the caliper support key retaining screw with a 1 / 4 in. Allen wrench. Drive the support key and spring out with a punch.
    2.  

    If just the brake pads are being replaced, it is not necessary to remove the caliper assembly entirely from the vehicle. Do not remove the brake line. Rest the caliper on the front spring or other suitable support. Do not allow the brake hose to support the weight of the caliper.

    1. Remove the brake pad assemblies. Remove the anti-rattle spring from the inboard pad. Note the position of the spring before removing it for correct installation later.
    2.  
    3. Wipe the inside of the caliper clean, including the exterior of the dust boot. Inspect the dust boot for cuts or cracks and for proper seating in the piston bore. If evidence of fluid leakage is noted, the caliper should be rebuilt.
    4.  
    5. Check the sliding surface of the caliper for rust or corrosion. Clean them with a wire brush and fine sandpaper; lubricate with molybdenum disulfide grease.
    6.  
    7. Install the inboard pad anti-rattle spring on the rear flange of the pad. Make sure the looped section of the spring is away from the rotor.
    8.  
    9. Install the inboard pad with spring attached in the caliper anchor plate.
    10.  
    11. Install the outboard pad in the caliper.
    12.  
    13. Place the caliper over the rotor and on the anchor plate.
    14.  

    Be careful not to damage or dislodge the dust boot.

    1. Insert the support key and spring between the sliding surfaces at the rear of the caliper. Drive them into place with a punch.
    2.  
    3. Install the key retaining screw and torque it to 15 ft. lbs.
    4.  
    5. Fill the master cylinder to within 1 / 4 in. of the rim.
    6.  
    7. Press firmly on the brake pedal several times till the pedal is firm.
    8.  
    9. Recheck the master cylinder level.
    10.  

    1982-86 Models

    See Figures 11, 12, 13, 14 and 15



    Click image to see an enlarged view

    Fig. Fig. 11: Installation of the anti-rattle clip on the inner brake pad



    Click image to see an enlarged view

    Fig. Fig. 12: Inner brake pad installation position on the caliper support



    Click image to see an enlarged view

    Fig. Fig. 13: Installing the outer brake pad in the caliper



    Click image to see an enlarged view

    Fig. Fig. 14: Installing the caliper support key and spring



    Click image to see an enlarged view

    Fig. Fig. 15: Caliper support key and spring assembly view


    CAUTION
    Brake shoes contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from any brake surface! When cleaning brake surfaces, use a commercially available brake cleaning fluid.

    1. Remove 2 / 3 of the brake fluid from the front reservoir.
    2.  
    3. Raise the vehicle so that the wheel to be worked on is off the ground. Support the vehicle with jackstands.
    4.  
    5. Remove the front wheels.
    6.  
    7. Place a C-clamp on the caliper so that the solid end contacts the back of the caliper and the screw end contacts the metal part of the outboard brake pad.
    8.  
    9. Tighten the clamp until the caliper moves far enough to force the piston to the bottom of the piston bore. This will back the brake pads off the rotor surface to facilitate the removal and installation of the caliper assembly.
    10.  
    11. Remove the C-clamp.
    12.  

    Do not push down on the brake pedal or the piston and brake pads will return to their original positions up against the rotor.

    1. Remove the caliper mounting pins and lift off the caliper. Don't disconnect the brake line! Don't allow the brake line to support the weight of the caliper!
    2.  
    3. Hold the anti-rattle clip against the caliper anchor plate and remove the outboard pad.
    4.  
    5. Remove the inboard pad and anti-rattle clip.
    6.  
    7. Clean the caliper with a rag and solvent made for cleaning brake surfaces. Avoid disturbing the dust boot.
    8.  
    9. If there are any indications of fluid leakage, the caliper must be rebuilt.
    10.  
    11. Clean the anchor plate and caliper mounting surfaces with a wire brush.
    12.  
    13. Coat the mounting surfaces with a light coating of caliper lubricant.
    14.  
    15. Install the anti-rattle clip on the trailing edge of the anchor plate. The split end of the clip must face away from the rotor.
    16.  
    17. Install the inboard, then the outboard pads, while holding the clip.
    18.  


    WARNING
    Avoid damaging the caliper piston dust boot while installing the pads!

    1. Install the caliper and tighten the mounting pins to 30 ft. lbs.
    2.  
    3. Fill the master cylinder and press firmly on the brake pedal to seat the pads.
    4.  
    5. Install the wheels, and lower the truck.
    6.  

     
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