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    GM Cadillac Deville_Fleetwood_ELD_Seville 1990-1998

    Brake Caliper

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    REMOVAL & INSTALLATION



    1990-91 Eldorado and Seville


    Click image to see an enlarged view

    Fig. Rear disc brake caliper assembly-1990-91 Eldorado and Seville



    Click image to see an enlarged view

    Fig. Parking brake cable-to-caliper attachment-1990-91 Eldorado and Seville



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    Fig. Caliper mounting-1990-91 Eldorado and Seville



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    Fig. Bolt boot and support bushing-1990-91 Eldorado and Seville

    1. On 1990 vehicles with anti-lock brakes, depressurize the hydraulic accumulator. Refer to Teves Mk II Anti-Lock Brake System.
    2.  


    CAUTION
    The hydraulic system contains brake fluid at extremely high pressure. It is mandatory that the system be depressurized before disconnecting any hoses, lines or fittings, or personal injury may result.

    1. Use a syringe or similar tool to remove 1 / 3 of the brake fluid from the master cylinder reservoir.
    2.  
    3. Raise and safely support the vehicle.
    4.  
    5. Remove the wheel and tire assembly, then reinstall 2 lug nuts to retain the disc brake rotor.
    6.  
    7. Loosen the tension on the parking brake cable at the equalizer.
    8.  
    9. Remove the retaining clip from the parking brake lever.
    10.  
    11. Remove the parking brake cable and return spring, then remove the damper from the return spring.
    12.  
    13. Hold the parking brake lever and remove the locknut.
    14.  
    15. Remove the parking brake lever, lever seal and antifriction washer, and check them for cuts, nicks and excessive wear. Replace any worn or damaged parts.
    16.  
    17. Bottom the piston into the caliper bore to provide clearance between the disc brake pads and rotor.
    18.  
    19. Reinstall the anti-friction washer, lever seal (sealing bead against housing), lever and nut.
    20.  
    21. If the caliper is to be removed from the vehicle, remove the bolt attaching the brake hose to the caliper. Discard the gaskets. Plug the openings in the caliper and brake hose to prevent fluid loss.
    22.  
    23. Remove the mounting bolts and remove the caliper from the rotor and mounting bracket. If only the disc brake pads are being replaced, suspend the caliper with wire from the strut.
    24.  


    WARNING
    Do not let the caliper hang from the brake hose. The hose may become damaged, causing possible brake failure.

    To install:

    1. Inspect the bolt boots and mounting bracket support bushings for cuts, tears or deterioration and replace as necessary. Inspect the mounting bolts for corrosion and replace them and the bushings if any is found; do not try to polish away corrosion.
    2.  
    3. Position the caliper over the rotor in the mounting bracket, making sure the bolt boots are in place.
    4.  
    5. Lubricate the shaft of the mounting bolts with silicone grease. Install the bolts and tighten to 63 ft. lbs. (85 Nm).
    6.  
    7. Position the brake hose on the disc brake caliper. Connect the hose to the caliper using the attaching bolt and 2 new gaskets. Tighten the bolt to 32 ft. lbs. (44 Nm).
    8.  
    9. Disconnect the nut, parking brake lever, lever seal and anti-friction washer. Clean any contamination from the caliper surface in the area of the lever seal and around the actuator screw.
    10.  
    11. Install the anti-friction washer.
    12.  
    13. Lubricate the lever seal and install it with the sealing bead against the caliper housing.
    14.  
    15. Install the parking brake lever on the actuator screw hex with the lever pointing down.
    16.  
    17. Rotate the parking brake lever toward the front of the vehicle and hold in position. Install the nut and tighten to 35 ft. lbs. (48 Nm), then rotate the lever back against the stop on the caliper.
    18.  
    19. Install the damper and return spring.
    20.  
    21. Connect the parking brake cable. Install the retaining clip on the lever to keep the cable from sliding out of the slot in the lever.
    22.  
    23. Bleed the brake system.
    24.  
    25. Install the wheel and tire assembly and lower the vehicle. Check the parking brake adjustment.
    26.  

    1992-98 Eldorado and Seville


    Click image to see an enlarged view

    Fig. Rear disc brake caliper assembly-1992-98 Eldorado and Seville



    Click image to see an enlarged view

    Fig. Rear disc brake caliper installation-1992-98 Eldorado and Seville

    1. Raise and safely support the vehicle.
    2.  
    3. Remove the wheel and tire assembly.
    4.  
    5. If the caliper is to be removed from the vehicle, remove the bolt attaching the brake hose to the caliper. Discard the gaskets. Plug the openings in the caliper and brake hose to prevent fluid loss.
    6.  
    7. If the caliper is to be removed from the vehicle, lift up on the end of the parking brake cable spring to free the end of the cable from the parking brake lever.
    8.  
    9. Remove the bolt and washer attaching the cable support bracket to the caliper.
    10.  
    11. Remove the sleeve bolt, pivot the caliper up to clear the rotor and then slide it inboard off the pin sleeve.
    12.  
    13. If the caliper is being removed only for brake pad replacement or to provide access to the mounting bracket, rotor or other components, suspend the caliper with wire from the strut.
    14.  


    WARNING
    Do not let the caliper hang from the brake hose. The hose may become damaged, causing possible brake failure.

    To install:

    1. Inspect the pin boot, bolt boot and sleeve boot for cuts, tears or deterioration and replace as necessary.
    2.  
    3. Inspect the bolt sleeve and pin sleeve for corrosion or damage. Pull the boots to gain access to the sleeves for inspection or replacement. Replace corroded or damaged sleeves; do not try to polish away corrosion.
    4.  
    5. If not replaced, remove the pin boot from the caliper and install the small end over the pin sleeve (installed on caliper support) until the boot seats in the pin groove. This prevents cutting the pin boot when sliding the caliper onto the pin sleeve.
    6.  
    7. Hold the caliper in the position it was removed and start it over the end of the pin sleeve. As the caliper approaches the pin boot, work the large end of the pin boot in the caliper groove, then push the caliper fully onto the pin.
    8.  
    9. Pivot the caliper down, being careful not to damage the piston boot on the inboard disc brake pad. Compress the sleeve boot by hand as the caliper moves into position to prevent boot damage.
    10.  
    11. After the caliper is in position, recheck the position of the pad clips. If necessary, use a small prybar to reseat or center the pad clips on the bracket abutments.
    12.  
    13. Install the sleeve bolt and tighten to 20 ft. lbs. (27 Nm).
    14.  
    15. Install the cable support bracket (with cable attached) with the bolt and washer and tighten to 32 ft. lbs. (43 Nm).
    16.  
    17. Lift up on the end of the cable spring clip and work the end of the parking brake cable into the notch in the lever.
    18.  
    19. Position the brake hose on the disc brake caliper. Connect the hose to the caliper using the attaching bolt and 2 new gaskets. Tighten the bolt to 32 ft. lbs. (44 Nm).
    20.  
    21. Bleed the brake system.
    22.  
    23. Install the wheel and tire assembly and lower the vehicle. Check the parking brake adjustment.
    24.  

    OVERHAUL



    Refer to brake caliper overhaul under Front Disc Brakes.

     
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