Caliber 2007

Brake Shoes

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Adjustment



  1. Verify the parking brake lever is fully released.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the rear wheel.
  6.  
  7. Remove the brake drum.
  8.  
  9. Using Special Tool C-3919 or equivalent brake shoe gauge, measure the inside diameter of the brake drum at the center of the shoe contact area. Tighten the Gauge setscrew at this measurement.

    Click image to see an enlarged view

    Fig. Measure the inside diameter of the brake drum using a brake shoe gauge (1)

  10.  
  11. Place the opposite side of the brake shoe gauge over the brake shoes as shown.

    Click image to see an enlarged view

    Fig. Place the opposite side of the brake shoe gauge (2) over the brake shoes

  12.  
  13. Adjust the shoe diameter to the setting on the gauge. To adjust the shoe diameter, turn the adjuster wheel using a screwdriver inserted through the adjusting hole in the rear of the shoe support plate. Once the tip of the screwdriver contacts the adjuster wheel teeth, move the handle of tool upward using the support plate as a pivot to adjust the shoes outward.
  14.  
  15. If at any time the adjustment needs to be backed off, perform the following:
    1. Remove the plug from the rear of the support plate below the wheel cylinder.
    2.  
    3. Insert a small screwdriver through the access hole in the support plate, under the adjuster, against the lever pawl. The pawl is attached to and pivots from the rear brake shoe.
    4.  
    5. While pushing on the pawl with the screwdriver to disengage it from the adjuster wheel teeth, rotate the wheel upward to back off the adjustment using another screwdriver or a brake adjuster tool.
    6.  

  16.  
  17. Once the shoe diameter is set, remove the tool and install the brake drum.
  18.  
  19. Turn the brake drum. A slight drag should be felt while rotating the drum. If not, repeat the above procedure.
  20.  
  21. Install the rear wheel.
  22.  
  23. Lower the vehicle.
  24.  
  25. Apply and release the parking brake lever one time after the adjustment process is completed checking parking brake operation.
  26.  
  27. Test drive the vehicle, stopping in both forward and reverse directions.
    NOTE
    The automatic-adjuster will continue to adjust the brakes as necessary during the road test.

  28.  

Removal & Installation



  1. Raise and safely support the vehicle.
  2.  
  3. Remove the rear wheel.
  4.  
  5. Remove the brake drum. For additional information, refer to the following section, "Brake Drum, Removal & Installation.-
  6.  
  7. Remove the lower shoe spring.
  8.  
  9. Compress and remove the hold-down spring retaining the rear shoe to the support plate.
  10.  
  11. Pull the rear shoe away from the anchor allowing better access to the parking brake cable connection at the lever.
  12.  
  13. Compress the cable return spring, then remove the parking brake cable from the parking brake lever.
  14.  
  15. Compress and remove the hold-down spring retaining the front shoe to the support plate.
  16.  
  17. Remove both brake shoes from the wheel cylinder.
  18.  
  19. Remove both shoes and remaining parts as an assembly through the opening between the wheel cylinder and support plate hub and bearing.
  20.  
  21. Place the shoe assembly outboard-side-up on a flat surface.
  22.  
  23. Remove the adjuster spring from the leading shoe and the lever pawl.
  24.  
  25. Remove the lever pawl from the pivot on the rear shoe.
  26.  
  27. Flip the shoe assembly over to show the inboard side.
  28.  
  29. Remove the upper shoe return spring.
  30.  
  31. Remove the adjuster from the shoes and parking brake lever.

    Click image to see an enlarged view

    Fig. Rear Drum Brake Components-Wheel Cylinder (1), Front Shoe Hold-down Spring (2), Lower shoe spring (3), Rear Shoe Hold-down Spring (4)



    Click image to see an enlarged view

    Fig. Rear Drum Brake Components-Parking Brake Shoe Lever (1), Parking Brake Cable (2), Anchor (3), Rear Shoe (4)



    Click image to see an enlarged view

    Fig. Rear Drum Brake Components-Lever Pawl (1), Adjuster Spring (2), Leading Shoe (3), Adjuster (4), Rear Shoe (5)

  32.  

To install:

  1. Lubricate shoe contact areas on support plate and anchor using Mopar® Brake Lubricant or equivalent.
  2.  
  3. Lubricate the adjuster screw threads with Mopar® Brake Lubricant or equivalent. Turn adjuster wheel in until it is completely seated.

    Click image to see an enlarged view

    Fig. Lubricate the areas indicated with Mopar®Brake Lubricant or equivalent-Rear drum brakes

  4.  
  5. Place one front shoe and one rear shoe inboard-side-up on a flat surface. (rear shoe has parking brake lever attached to it).
  6.  
  7. Install the adjuster, adjuster wheel toward the rear, between the two brake shoes. Make sure the wide notch in the rear fork aligns with the parking brake lever.
  8.  
  9. Install the upper return spring.
  10.  
  11. Flip the shoe assembly over to show the outboard side.
  12.  
  13. Install the lever pawl onto the pivot located on the rear shoe.
  14.  
  15. Install the adjuster spring between the front shoe and the lever pawl.
  16.  
  17. Install the pre-assembled brake shoe assembly through the opening between the wheel cylinder and support plate hub and bearing.
  18.  
  19. Insert the upper tips of the brake shoes into the grooves of the wheel cylinder pistons.
  20.  
  21. Position the bottom of the front shoe against the anchor pin.
  22.  
  23. Install a shoe hold-down pin from the rear, through the support plate and the front shoe.
  24.  
  25. Compress and install the hold-down spring retaining the front shoe to the support plate.
  26.  
  27. Compress the parking brake cable return spring, then carefully install the cable onto the parking brake lever. Release the spring guiding it beneath the retaining tab on the lever.
  28.  
  29. Position the bottom of the rear shoe against the anchor pin.
  30.  
  31. Install a shoe hold-down pin from the rear, through the support plate and the rear shoe.
  32.  
  33. Compress and install the hold-down spring retaining the rear shoe to the support plate.
  34.  
  35. Install the lower shoe spring.
  36.  
  37. Adjust the brake shoes to the drum diameter using a brake shoe gauge.
  38.  
  39. Install the brake drum.
  40.  
  41. Install the rear wheel.
  42.  
  43. Slowly rotate both rear wheels and verify that the brake drums lightly drag on the shoes. Further adjustments may be done using the adjustment procedure as necessary.
  44.  
  45. Lower the vehicle.
  46.  
  47. Test drive the vehicle, stopping in both forward and reverse directions.
    NOTE
    The automatic-adjuster will continue to adjust the brakes as necessary during the road test.

  48.  

 
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