Equinox 2005-2007, Torrent 2006-07

Brake Shoes

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Adjustment



  1. Raise and support the vehicle.
  2.  
  3. Remove the rear wheels and tires.
  4.  
  5. Relieve cable tension from the park brake system at the equalizer. There should be no tension on the park brake cables, so that the brake shoes are positioned only by the adjuster strut.
  6.  
  7. Remove the rear drums.
  8.  
  9. Set the J 21177-A so that the J 21177-A contacts the inside diameter of the drum at the widest point.
  10.  
  11. Position the J 21177-A over the shoes at the widest point.
  12.  
  13. Turn the adjuster nut until the shoes just contact the J 21177-A .
  14.  
  15. Install the rear drums. Refer to Brake Drum Replacement .
  16.  
  17. Install the rear wheels and tires. Refer to Tire and Wheel Removal and Installation .
  18.  
  19. Adjust the park brake cable system. Refer to Park Brake Adjustment .
  20.  
  21. Lower the vehicle.

    Click image to see an enlarged view

    Fig. Setting the width of the drum-to-brake shoe clearance gauge in the brake drum.



    Click image to see an enlarged view

    Fig. Position the drum-to-brake shoe clearance gauge over the brake assembly.

  22.  

Removal & Installation




CAUTION
Keep fingers away from rear brake shoe springs to prevent fingers from being pinched between spring and shoe web or spring and backing plate.

  1. Raise and support the vehicle.
  2.  
  3. Remove the brake drum.
    WARNING
    Do not over stretch the adjuster spring. Damage can occur if the spring is over stretched.



    Click image to see an enlarged view

    Fig. Drum brake components

  4.  
  5. Disengage the adjuster spring hook end from the tab on the adjuster actuator.
  6.  
  7. Remove the straight end of the adjuster spring from the brake shoe.
  8.  
  9. Remove the adjuster actuator from the brake shoe.
  10.  
  11. Remove the return spring from the brake shoes.
  12.  
  13. Remove the park brake cable from the park brake actuator lever.
  14.  
  15. Remove the brake shoe hold-down springs and retainers from the brake shoes.
  16.  
  17. Remove the adjuster from the brake shoes and the park brake actuator lever.
  18.  
  19. Remove the horseshoe clip retaining the park brake actuator lever to the brake shoe.
  20.  
  21. Remove the park brake actuator lever and wave washer from the brake shoe.
  22.  
  23. Clean all of the drum brake system components with denatured alcohol.
  24.  
  25. Inspect all of the drum brake system components.
  26.  
  27. Replace drum brake system components as necessary.
  28.  
  29. Inspect the wheel cylinder for brake fluid leakage and worn or damaged dust boots.
  30.  
  31. Replace damaged or leaking wheel cylinders as necessary.
  32.  

To install:

  1. Apply a thin, light coat of high temperature, silicone brake lubricant to the following areas:

    The brake shoe contact points on the backing plate
     
    The adjuster screw threads
     
    The inside diameter of the adjuster socket

    Click image to see an enlarged view

    Fig. Proper adjuster installation

     

  2.  
  3. Install the park brake actuator lever to the lever pivot pin.
  4.  
  5. Install the horseshoe clip to the park brake actuator lever pivot pin.
  6.  
  7. Install the brake shoes to the brake backing plate.
  8.  
  9. Install the brake shoe hold-down pins, springs and retainers to the brake shoes.
  10.  
  11. Install the park brake cable to the park brake actuator lever.
    NOTE
    Ensure that the adjuster (2) engages the brake shoe (4) and the park brake actuator (3) properly.

  12.  
  13. Install the adjuster screw to the brake shoe and the park brake actuator.
  14.  
  15. Apply a thin, light coat of high temperature, silicone brake lubricant to the adjuster actuator/brake shoe interface.
  16.  
  17. Install the adjuster actuator to the brake shoe.
    WARNING
    Do not over stretch the adjuster spring. Damage can occur if the spring is over stretched.

  18.  
  19. Install the straight end of the adjuster spring to the brake shoe.
  20.  
  21. Install the adjuster spring hook end to the tab on the adjuster actuator.
  22.  
  23. Install the return spring to the brake shoes.
    NOTE
    Ensure that the adjuster operates properly.

  24.  
  25. Move the park brake actuator lever in order to spread the brake shoes apart. The adjuster actuator lever should move downward, then upward as the park brake actuator lever is released, forcing the adjuster wheel to rotate. If the adjuster does not operate properly, remove then reinstall the adjuster.
  26.  
  27. Adjust the brake shoes.
  28.  
  29. Adjust the park brake cable.
  30.  
  31. Install the brake drum.
  32.  
  33. Lower the vehicle.
  34.  

 
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