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    2004 Chevrolet Truck Silverado 2500 2WD 6.0L SFI 8cyl

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    Toyota Sienna 2000-06

    Brake Drums

    Print

    Removal & Installation



    1. Before servicing the vehicle, refer to the precautions section.
    2.  
    3. Release the parking brake.
    4.  
    5. Remove the rear wheel.
    6.  
    7. Remove the inspection plug from the brake drum.
    8.  
    9. Insert a suitable regular screwdriver through the plug hole in the drum and hold the adjusting lever away from the adjuster.
    10.  
    11. Insert a second regular screwdriver and turn the brake shoe adjuster to reduce the size of the adjuster.
    12.  
    13. Remove the brake drum.
    14.  

    To install:

    1. Measure the brake drum inside diameter and the diameter of the installed brake shoe assembly.
    2.  
    3. Turn the brake shoe adjuster to either retract or expand the brake shoe assembly until the diameter of the brake she assembly is slightly less than that of the drum.
    4.  
    5. Install the drum, and turn the wheel/drum assembly. There should be a hardly noticeable drag as the drum is turned.
    6.  
    7. Install the wheel and pump the brake pedal several times to fully seat the brakes.
    8.  
    9. Start the vehicle and very slowly drive back and forwards. Driving backwards and applying the brake pedal causes the rear brake adjuster to self adjust.
      NOTE
      Do not drive backwards at high speeds, for long distances or apply the brakes too hard. A slow speed under 1 mile per hour for a short distance and plying the brake will help the adjuster to self adjust.

    10.  

    RAV4
    1. Raise and safely support the vehicle.
    2.  
    3. Remove the wheel(s).
    4.  
    5. Temporarily install 2 wheel stud nuts to hold the brake rotor in place.
    6.  
    7. If necessary, siphon a sufficient quantity of brake fluid from the master cylinder reservoir to prevent any brake fluid from overflowing the master cylinder when removing or installing new pads. This may be necessary, as the piston must be forced into the caliper bore to provide sufficient clearance when installing the pads.
    8.  
    9. Grasp the caliper from behind and carefully pull it towards you. This will start to seat the piston(s) in its bore. Using a C-clamp or other suitable tool, press the piston the remaining way into the caliper. Be careful not to cock the piston in the bore. Also, do not force the piston or the caliper and piston may be damaged.
    10.  
    11. Hold the sliding pin and loosen the 2 caliper mounting bolts. Remove the bolts and remove the caliper from the torque plate.
    12.  
    13. Secure the caliper assembly out of the way with a wire, to avoid stressing the flexible hose.
    14.  
    15. Slide out the old brake pads along with any anti-squeal shims, springs, pad wear indicators and pad support plates. Make sure to note the position of all assorted pad hardware.
    16.  

    To install:

    1. Check the brake disc (rotor) for thickness and run-out. Inspect the caliper and piston assembly for breaks, cracks, fluid seepage or other damage. Overhaul or replace as necessary.
    2.  
    3. Install the pad support plates into the torque plate.
    4.  
    5. Install the pad wear indicators onto the pads. Be sure the arrow on the indicator plate is pointing in the direction of rotation.
    6.  
    7. Install the anti-squeal shims on the outside of each pad and then install the pad assemblies into the torque plate.
    8.  
    9. Install the caliper to the torque plate with the 2 mounting bolts. Torque the bolts to 20 ft. lbs. (26 Nm).
    10.  
    11. Remove the 2 temporary wheel stud nuts and check that the rotor turns freely.
    12.  
    13. Reinstall the wheel(s), safely lower the vehicle, and road-test for proper brake operation.
    14.  
    15. Be sure to pump the brakes several times prior to moving the vehicle.
    16.  

    T-100, Tacoma
    1. Raise and safely support the vehicle.
    2.  
    3. Remove the rear wheel(s).

      Click image to see an enlarged view

      Fig. Exploded view of the rear brake drums components-2-WD T-100 and Tacoma models shown, others similar

    4.  
    5. Remove the brake drum from the axle hub. If there is difficulty in removing the drum, insert a suitable tool through the hole in the rear of the backing plate, and hold the automatic adjusting lever away from the adjuster. Using another suitable tool at the same time, reduce the brake shoe adjuster by turning the adjusting wheel.

      Click image to see an enlarged view

      Fig. Use a brake adjusting tool (brake spoon) and a prytool to adjust the brake shoes through the adjusting hole

    6.  

    To install:

    1. Install the brake drum and pull the parking brake lever all the way up until a clicking sound can no longer be heard.
    2.  
    3. Verify that the rear wheels will not turn. If the rear wheels turn, adjust the parking brake cable as necessary.
    4.  
    5. Release the parking brake and remove the brake drum. Measure the brake drum inside diameter and diameter of the brake shoes. Check that the difference between the diameters is the correct shoe clearance. Clearance is 0.024 in. (6mm).
    6.  
    7. If the brake shoe clearance is not correct, adjust the brake shoes until the clearance is correct.
    8.  
    9. Install the brake drum, replace the wheel(s), and safely lower the vehicle.
    10.  
    11. Road-test the vehicle for proper brake operation.
    12.  

    T-100, Tacoma And 4Runner
    1. Raise and safely support the vehicle.
    2.  
    3. Remove the rear wheel(s).

      Click image to see an enlarged view

      Fig. Exploded view of the rear brake drums components-2-WD T-100 and Tacoma models shown, others similar

    4.  
    5. Remove the brake drum from the axle hub. If there is difficulty in removing the drum, insert a suitable tool through the hole in the rear of the backing plate, and hold the automatic adjusting lever away from the adjuster. Using another suitable tool at the same time, reduce the brake shoe adjuster by turning the adjusting wheel.

      Click image to see an enlarged view

      Fig. Use a brake adjusting tool (brake spoon) and a prytool to adjust the brake shoes through the adjusting hole

    6.  

    To install:

    1. Install the brake drum and pull the parking brake lever all the way up until a clicking sound can no longer be heard.
    2.  
    3. Verify that the rear wheels will not turn. If the rear wheels turn, adjust the parking brake cable as necessary.
    4.  
    5. Release the parking brake and remove the brake drum. Measure the brake drum inside diameter and diameter of the brake shoes. Check that the difference between the diameters is the correct shoe clearance. Clearance is 0.024 in. (6mm).
    6.  
    7. If the brake shoe clearance is not correct, adjust the brake shoes until the clearance is correct.
    8.  
    9. Install the brake drum, replace the wheel(s), and safely lower the vehicle.
    10.  
    11. Road-test the vehicle for proper brake operation.
    12.  

     
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