For 1990-2009 cars

Problem | Action
--- | ---
The adjusters are misaligned. | Align the adjusters.
The adjusters are new and not broken in. | Operate the seat to the fully forward and fully rearward positions several times in order to work the tightness out of the channels.
The adjuster(s) are improperly lubricated. | Lubricate the adjuster channels.
The adjuster(s) are bent or damaged. | Replace the adjuster(s).
The adjusters are misaligned. | Align the adjusters.
The adjusters are binding or damaged. | Lubricate or replace the adjusters.
The seat components are loose, damaged, or broken. | Repair or replace the seat.
The seat mounting bolts are loose. | Tighten the mounting bolts to specifications. Refer to Fastener Tightening Specifications .