Metro, Prizm 2000-2002

Brake Shoes

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Adjustment





Although the drum brakes are of the self-adjusting type, some adjustments for proper shoe-to-drum clearance may be required when brake shoes have been replaced or the drum has been removed for other service.
 
Adequate adjustment may be accomplished by pressing the brake pedal 3 to 5 times with 30 kg (66 lbs) of pressure after all service is completed.
 
Check the rear wheels for dragging. After the adjustment is completed, road test the vehicle.
 



Click image to see an enlarged view

Fig. Brake shoe adjustment-Prizm

  1. Raise and safely support the rear of the vehicle securely on jackstands.
  2.  
  3. Remove the tire and wheel assembly from the vehicle.
  4.  
  5. Insert a screwdriver through the hole in the backing plate. Hold the automatic adjusting lever away from the adjusting bolt.
  6.  
  7. Reduce the brake shoe adjustment by turning the adjusting bolt. Use another screwdriver.
  8.  
  9. Remove the drum.
  10.  
  11. Insert J-21177-A. Ensure that the gauge contacts the inner diameter of the brake drum.
  12.  
  13. Position J-21177-A over the shoes and linings.
  14.  
  15. Turn the adjuster until the primary and secondary shoes and linings contact J-21177-A. The outside diameter of the shoes and linings should be approximately 0.6 mm (0.024 in) less than the diameter of the brake drum.
  16.  
  17. Install the drum.
  18.  
  19. Install the tire and wheel assembly to the vehicle.
  20.  
  21. Lower the vehicle.
  22.  

Removal & Installation



  1. Remove the drum.
  2.  
  3. Remove the shoe hold-down springs (1) by turning the hold-down pins (2).
  4.  
  5. Remove the shoe return springs (10), shoe linings, and adjuster (12).
  6.  
  7. Remove the parking brake cable from the lever (1).
  8.  
  9. Remove the clip, shim, pin, and lever from the shoe.
  10.  
  11. Inspect all of the drum brake components for wear, distortion and cracks.

    Click image to see an enlarged view

    Fig. Brake shoe and hardware components on the Metro-wheel cylinder bleeder valve cover (1), wheel cylinder (2), parking brake lever (3), shoes (4), parking brake lever washer (5), parking brake lever retainer (6), parking brake lever stop (7), brake shoe holding springs (8), return springs (9, 10), lever strut spring (11), parking brake lever strut (12), inspection hole plug (13), brake shoe pin (14), backing plate (15)

  12.  

To install:

  1. Install the lever to the rear shoe. Secure the lever with a clip, shim and pin.
  2.  
  3. Install the parking brake cable to the lever.
  4.  
  5. Install the shoe return springs, shoe linings and adjuster.
  6.  
  7. Install the shoe hold-down springs by pushing them down in place and turning the hold-down pins.
  8.  
  9. Install the drum.
  10.  

  1. Remove the drum.
  2.  
  3. Disconnect the shoe return spring from the front shoe.
  4.  
  5. Remove the shoe hold-down spring from the font shoe.
  6.  
  7. Disconnect the anchor spring from the front shoe.
  8.  
  9. Remove the following components:
    1. The shoe hold-down spring cups
    2.  
    3. The shoe pin 
    4.  
    5. The front shoe 
    6.  
    7. The anchor spring 
    8.  

  10.  
  11. Remove the following components:
    1. The rear shoe hold-down spring 
    2.  
    3. The shoe hold-down spring cups 
    4.  
    5. The shoe pin 
    6.  
    7. The adjuster spring 
    8.  
    9. The park brake lever strut with the shoe return spring 
    10.  
    11. The rear shoe 
    12.  

  12.  
  13. Disconnect the park brake cable from the lever.
  14.  
  15. Remove the following components:
    1. The 2 C-shaped park brake lever washers 
    2.  
    3. The park brake lever return ring 
    4.  
    5. The park brake lever 
    6.  
    7. The rear brake shoe adjuster actuator 
    8.  

  16.  
  17. Inspect all of the drum brake components. Replace any component that exhibits any signs of wear, rust or cracking.
  18.  
  19. Inspect the brake drum. Refinish or Replace as necessary.

    Click image to see an enlarged view

    Fig. Brake shoe and hardware components on the Prizm-Parking brake lever washer (1), brake shoe adjuster actuator (2), parking brake lever (3), parking brake lever retaining ring (4), parking brake lever washer (5), secondary brake shoe (6), holding spring cup (7, 9, 11, 13), holding springs (8, 12), return springs (10), primary brake shoe (14), brake shoe pins (15, 16), parking brake lever strut w/ upper brake shoe return spring (17), brake shoe adjuster spring (18)

  20.  

To install:

  1. Install the following components:
    1. The rear brake shoe adjuster actuator 
    2.  
    3. The park brake lever 
    4.  
    5. The park brake lever return ring 
    6.  
    7. The 2 C-shaped park brake lever washers 
    8.  

  2.  
  3. Install the park brake cable to the lever.
  4.  
  5. Install the following components:
    1. The rear shoe 
    2.  
    3. The park brake lever strut with the shoe return spring 
    4.  
    5. The adjuster spring 
    6.  
    7. The shoe pin 
    8.  
    9. The shoe hold-down spring cups 
    10.  
    11. The rear shoe hold-down spring 
    12.  

  6.  
  7. Install the following components:
    1. The front shoe 
    2.  
    3. The anchor spring 
    4.  
    5. The shoe pin 
    6.  
    7. The shoe hold-down spring cups
    8.  

  8.  
  9. Install the shoe hold-down spring.
  10.  
  11. Connect the park brake lever strut with the shoe return spring to the front shoe.
  12.  
  13. Install the drum.
  14.  

 
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