17NA271 Service Bulletin/Repair Instructions

Bulletin No.:
Service Bulletin
Date:
17-NA-271

August, 2019
TECHNICAL

Subject:
Clicking Noise from Front Wheels While Turning at Slow Speeds

This Bulletin replaces PI1498C. Please discard PI1498C.
Model Year:
Brand:
Model:
Buick
Enclave
2012
XT5
2017
XT6
2020
Cadillac
Chevrolet
GMC
from
VIN:

to
Blazer
2019
2019
2016
2020
Corvette
2014
2019
2012
Acadia
2012
to
Engine:
Transmission:
All
All
2020
Camaro

Traverse
from
2020
Involved Region or Country
North America, N.A. Export Regions
Condition
Some customers may comment on a clicking noise emanating from the front wheels

location. This condition may be more predominant at low speeds 16-32 km/h

(10-20 mph) during full wheel lock turns on dry clean pavement.
Cause
This may be caused by interaction between the wheel mounting face and the wheel

mounting surfaces on the brake rotor.
Correction
Clean both of the wheels mounting surfaces.
Service Procedure

Important: DO NOT replace the wheels or brake rotors

for this condition.

If you encounter a vehicle with the above concern,

follow the procedure below.

1. Remove both of the front wheels. Refer to Tire and

Wheel Removal and Installation in SI.
Copyright 2019 General Motors LLC. All Rights Reserved.
2. Clean both of the wheels mounting surface as

follows.

• Using a clean cloth dampened with approved

brake cleaner (ex. Part number 19370705

(U.S.), 88901247 (Canada)), wipe the mounting

surface of the wheel(s) removing any residual

grey or black material that has accumulated on

the wheel mounting surfaces.

Note: All cleaning must be done by hand. DO NOT use

pneumatic or power tools.
Page 2
August, 2019
Bulletin No.: 17-NA-271
3. Clean the wheel mounting surface of the brake

rotors, or sometimes referred to as the brake rotor

top hats, as follows:
5152729
5152800
• Using 3M red Scotch-Brite 7447 pad or

equivalent with approved brake cleaner

(ex. Part number 19370705 (U.S.), 88901247

(Canada)), wipe the wheels mounting surfaces

of the rotor (brake rotor top hat) and the wheel

pilot at the center of the rotor, removing any

residual grey or black material that has

accumulated on the rotors.

Note: All cleaning must be done by hand. DO NOT use

pneumatic or power tools.
• Using Super Lube paste, P/N 12371287

(in Canada, 10953437) or equivalent, apply a

light coat around the center pilot of the

hub ONLY.

4. Reinstall both of the wheels using the original

wheel nuts. Refer to Tire and Wheel Removal and

Installation in SI.

• Refer to Fastener Specifications in SI for proper

wheel nut torque specifications.

Important: Be sure wheels and rotors are thoroughly

dry prior to installation.
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
8080168*
Clean Mating Surfaces of

Wheels and Rotors Due to

Clicking Noise
0.7 hr
*This is a unique Labor Operation for Bulletin use only.
Bulletin No.: 17-NA-271
August, 2019
Page 3
Version
7
Modified
October 06, 2017 – Added the Cadillac XT5.

October 19, 2018 – Updated step 3 and added pictures.

November 15, 2018 – Added 2019 Model years and update part number for Super Lube

in U.S.

January 10, 2019 – Updated the U.S. part numbers for brake cleaner in Step 2 and

Super Lube.

February 07, 2019 – Added the 2019 Blazer.

August 23, 2019 – Added certain 2020 Model Year vehicles.
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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TECHNICIAN

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