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Home >> Saturn >> 2005 >> Ion Red Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Drum Brake System) >> Repair Instructions >> Brake Shoe Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Ion Red Line, 2007 Saturn Ion 3, and 2007 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Measuring Brake Shoe Lining Thickness
    GM818058Courtesy of GENERAL MOTORS CORP.
  1. Measure the brake shoe lining thickness.

    Specification:  Brake Shoe Lining Minimum Thickness: 0.5 mm (0.020 in).

  2. If the brake shoe lining thickness is at or below the minimum specification, replace the brake shoes.
    3. Fig 2: Using Hook End Of J 38400
    GM890725Courtesy of GENERAL MOTORS CORP.
  3. Apply a thin, light coat of high temperature silicone brake lubricant to the brake shoe contact surfaces of the brake backing plate.
  4. Position the hook end of the J 38400  (1) under the universal spring and lightly pull the universal spring end out while installing the leading brake shoe. See Special Tools . Ensure that the universal spring engages the brake shoe web hole.
    5. Fig 3: Pulling Universal Spring End Out Of Shoe Web Hole
    GM890726Courtesy of GENERAL MOTORS CORP.
  5. Install the park brake cable to the park brake lever on the trailing brake shoe.
  6. Position the hook end of the J 38400  (1) under the universal spring and lightly pull the universal spring end out while installing the trailing brake shoe. See Special Tools . Ensure that the universal spring properly engages the brake shoe web hole.
    7. Fig 4: Removing/Installing Brake Shoe Adjuster Assembly Using Special Tool
    GM890724Courtesy of GENERAL MOTORS CORP.
  7. Using the J 38400  (1), spread the top of the brake shoes apart. See Special Tools .
  8. Install the adjuster assembly (2) to the brake shoes.
    9. Fig 5: Locating Adjuster Actuator Lever
    GM900065Courtesy of GENERAL MOTORS CORP.
  9. Install the adjuster actuator lever (1) to the brake shoe and the adjuster assembly. Ensure that the lever is properly engaged between the adjuster assembly and the brake shoe.
    10. Fig 6: Locating Adjuster Spring
    GM900061Courtesy of GENERAL MOTORS CORP.
    NOTE: Do not over stretch the adjuster spring. Damage can occur if the spring is over stretched.
  10. Install the adjuster spring (1). Ensure that the loop end of the spring fully engages the tab on the actuator lever.
  11. Adjust the drum brakes. Refer to Drum Brake Adjustment .
  12. Install the brake drum. Refer to Brake Drum Replacement .
  13. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (4 Lug Wheel) or Tire and Wheel Removal and Installation (5 Lug Wheel) in Tires and Wheels.
  14. Lower the vehicle.
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