Information on Proper Liftgate Adjustment – 2020-2021 Buick Encore GX & 2021 Chevrolet Trailblazer

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Copyright 2020 General Motors LLC. All Rights Reserved.
Service Bulletin Bulletin No.: 20-NA-122
Date: June, 2020
INFORMATION
Subject: Information on Proper Liftgate Adjustment
Brand: Model:
Model Year: VIN:
Engine: Transmission:
from to from to
Buick Encore GX 2020 2021 — All All
Chevrolet Trailblazer 2021 2021 — All All
Involved Region or Country North America
Information
The following information should be used to help adjust
the liftgate properly.
An improper liftgate adjustment may cause unwanted
noises, so proper adjustment is important.
To properly adjust the liftgate, complete the following
steps:
1. Open the liftgate.
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2. Close the liftgate with a piece of paper between the
bumpers of the liftgate and the vehicle itself.
⇒ The paper should not be able to be pulled out,
and the bumpers should be firmly seated.
3. Repeat and verify as necessary.
Version 1
Modified Released June 02, 2020
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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