Bulletin No.:

Service Bulletin

Date:

17-NA-198
March, 2020

TECHNICAL
Subject:

Brand:

Difficulty Adjusting Manual Seat Height and/or Seat Stuck in Lowest/Highest Position

Model:
Bolt EV
Equinox
Traverse

Chevrolet

Model Year:

VIN:

from

to

2017

2020

2018

from

to

2020
2019

Engine:

Transmission:

All

All

All

All

Cruze
(VIN B)
2016

2019

All

All

Acadia
(VIN N)

2017

2019

All

All

Terrain

2018

2020

All

All

Equinox

2018

2019

All

All

Cruze B
(Astra
Sedan)

2016

2019

All

All

Acadia

2019

2019

All

All

Malibu
Volt
GMC

Holden

Involved Region or Country

North America, Europe, Middle East, China, GM Korea, Brazil, Chile, Colombia, Peru,
Israel, South Africa, Australia, New Zealand

Condition

Some customers may comment that it is difficult to manually adjust the seat height and/or
seat stuck in lowest/highest position.

Cause

This condition may be caused by the mechanical function of the height adjustment being
jammed, not broken.

Correction

Disengage the jammed parts and release the gears for proper function.

Service Procedure
If you encounter a vehicle with the above concern,
complete the following steps:

Copyright 2020 General Motors LLC. All Rights Reserved.

Page 2

March, 2020

Bulletin No.: 17-NA-198

2. Push down on the lever several times (pumping
movement) with high force even when the seat is in
the lowest position, then pull the lever up with high
force.
Important: Do NOT loosen or disassemble the
attachment nuts on the height adjust mechanism that is
attached to the cushion seat frame.
Important: This will solve the jamming of the gears
and seat is adjustable again.
Note: The lever and pump assembly can resist this
force easily and will NOT be damaged during the
process.
3. Once the mechanical function becomes
un-jammed, cycle the height adjuster handle to full
up and then full down 4 times for additional
break in.
4. If unsuccessful, then follow normal service
procedure for cushion frame replacement.
4820844

1. Pull the lever with high force to disengage the
jammed parts in the seat gear and release the
mechanical function. If unsuccessful, continue to
Step 2.

Parts Information
No parts needed for this condition.

Warranty Information
For vehicles repaired under the Bumper-to-Bumper
coverage (Canada Base Warranty coverage), use the
following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH)
for coverage information.
Labor
Operation

Description

Labor Time

7080448*

Disengage the Jammed
Seat Parts

0.2 hr

*This is a unique Labor Operation for bulletin use only.

4820845

Version

5

Modified

June 30, 2017 – Added Models, updated the Service Procedure and adjusted the labor
operation time.
April 16, 2018 – Added the Traverse and Holden models and changed the warranty
coverage statement.
October 23, 2018 – Added the 2019 Model Year and the Holden Acadia.
March 03, 2020 – Added the 2020 Model Year to the Chevrolet Equinox, GMC Terrain,
Chevrolet Bolt EV and updated the Involved Region or Country section.

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these
technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper
service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a
job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your
vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the
information.

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