GM Service Manual Online
For 1990-2009 cars only
Table 1: Horizontal Operation of the Seat Not Smooth (Jerky) Hard Operation
Table 2: Horizontal Chuck or Looseness

Horizontal Operation of the Seat Not Smooth (Jerky) Hard Operation

Problem

Action

Improper lubrication of the adjuster shoes and the channels.

Lubricate the adjuster's upper channel and the plastic shoes.

The adjuster horizontal actuator gear is too tight to rack the gear.

Refer to Seat Adjuster Horizontal Actuator Adjustment .

Horizontal Chuck or Looseness

Problem

Action

The horizontal actuator is improperly adjusted to rack the gear.

Refer to Seat Adjuster Horizontal Actuator Adjustment .