GM Service Manual Online
For 1990-2009 cars only

Cause

Correction

DEFINITION: The adjuster will not lock.

  • The locking wire is too tight.
  • Loosen the locking wire tension in order to fully engage the lock bar in the locking slots of the adjuster lower channel.
  • The adjuster lock bar spring is disconnected or broken.
    • Connect the spring.
    • Install a new spring.
  • The adjuster lock bar is sticking or binding.
    • Lubricate the lock bar pivot.
    • Eliminate the cause of the binding. Replace the adjuster if the bar is binding.