Seat - Manual Adjuster Does Not Lock

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Problem	Action
The locking wire is too tight.	Loosen the locking wire tension enough to permit full engagement of the locking bar in the locking slots of the adjuster lower channel.
The adjuster locking bar spring is disconnected or broken.	Connect the locking bar spring. Install a new locking bar spring.
The adjuster locking bar is sticking or binding.	Lubricate the locking bar pivot. Eliminate the cause of the binding. Replace the seat adjuster. Refer to Seat Adjuster Replacement - Front (Manual) or Seat Adjuster Replacement - Front (Power) .