GM Service Manual Online
For 1990-2009 cars only

Problem

Action

The shoe grooves may have burrs or dirt.

  1. Clean the shoe grooves.
  2. Inspect the shoe grooves.
  3. Replace the shoe grooves as needed. Refer to the following procedures:

The shoe lock spring is weak or broken.

  1. Clean the shoe lock.
  2. Inspect the shoe lock spring.
  3. Replace the components that are affected. Refer to the following procedures:

The shoe is seized on a pivot pin.

  1. Clean the pivot pin.
  2. Inspect the pivot pin.
  3. Replace the components affected. Refer to the following procedures: