Front Seat Moves/Rocks/Chucks in Fore/Aft Direction (Replace Seat Adjuster Horizontal Actuator Assembly). Buick Park Avenue 2003

Subject:

Front Seat Moves/Rocks/Chucks in Fore/Aft Direction (Replace Seat Adjuster Horizontal Actuator Assembly)

Models:

2002-2003 Buick Park Avenue

Condition

Some customers may comment that during vehicle acceleration or braking, the front seat assembly will move/rock forward and rearward.

Cause

This fore/aft chuck condition may be due to an increase in clearances within the cage nut system of the adjuster's horizontal actuator and drive assembly.

Correction


(1)	Horizontal Gear Box Bolts
(2)	Seat Adjuster Assembly
(3)	Horizontal Gear Box Bolts
(4)	Seat Adjuster Horizontal Actuator Assembly
(5)	Outer Rails
(6)	Horizontal Cage Bolts
(7)	Horizontal Cage Bolts

Replace the seat adjuster horizontal actuator assembly. A new Seat Adjuster Horizontal Actuator Assembly (4) is now available for service.

For replacement procedures, refer to Actuator Replacement-Horizontal in the Seats sub-section of the Service Manual or SI Document ID #854458.

Parts Information

Part Number	Description
88994319	Actuator Asm, D/Seat Adjuster Horizontal (w/Memory)
88994299	Actuator Asm-P/D Seat Adjuster Horizontal (w/o Memory)

Parts are currently available from GMSPO.

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation	Description	Labor Time
C6300*	Seat Adjuster w/Memory (Driver) -- Replace	0.8 hr
C6301*	Seat Adjuster w/o Memory (Pass/Driver) -- Replace	0.8 hr
*These labor operations will be included in the next update of the Labor Time Guide.