GM Service Manual Online
For 1990-2009 cars only

Problem

Action

The shoe grooves may have burrs or dirt.

  1. Inspect and clean the shoe grooves. Refer to one of the following:
  2. Replace the shoes as needed. Refer to one of the following:

The shoe lock spring is weak or broken.

  1. Inspect and clean the components. Refer to one of the following:
  2. Replace the components as needed. Refer to one of the following:

The shoe seized on the pivot pin.

  1. Inspect and clean the components affected. Refer to one of the following:
  2. Replace components as needed. Refer to one of the following: