NHTSA ID Number: 10191198
Manufacturer Communication Number: 20NA002
Summary
This service bulletin provides a procedure to correct a condition of front brake squeal noise.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
CADILLAC | XT4 | 2020 |
Condition
Some customers may comment on brake squeal noise at low mileage and can be particularly noisy at low speeds.
Cause
This condition may be caused by the brake pads equipped on the vehicle being susceptible to producing brake squeal.
Correction
If the brake squeal noise is confirmed to be coming from the front brake pads, replace the front brake pads with a new design brake pad that aims to prevent brake squeal.
Service Procedure
Important: The front brake pads should ONLY be replaced with P/N 84793349 when brake squeal is heard. If vehicle brake pads are replaced with P/N 84685662, it will not permanently correct this issue.
Refer to Front Disc Brake Pads Replacement in SI.
Parts Information
| Description | Part Number | Qty |
| PADS, FRONT BRAKE | 84793349 | 1 |
SEOCONTENT-START
Copyright 2021 General Motors LLC. All Rights Reserved.
Service Bulletin Bulletin No.: 20-NA-002
Date: March, 2021
TECHNICAL
Subject: Front Brake Squeal Noise
Brand: Model:
Model Year: VIN:
Engine: Transmission:
from to from to
Cadillac XT4 2020 2020 SOP February
19, 2020 All All
Involved Region or Country North America, Israel, Middle East, Europe, Russia
Condition Some customers may comment on brake squeal noise at low mileage and can be
particularly noisy at low speeds.
Cause This condition may be caused by the brake pads equipped on the vehicle being
susceptible to producing brake squeal.
Correction If the brake squeal noise is confirmed to be coming from the front brake pads, replace the
front brake pads with a new design brake pad that aims to prevent brake squeal.
Service Procedure
Important: The front brake pads should ONLY be
replaced with P/N 84793349 when brake squeal is
heard. If vehicle brake pads are replaced with P/N
84685662, it will not permanently correct this issue.
Refer to Front Disc Brake Pads Replacement in SI.
Parts Information
Causal
Part
Description Part
Number
Qty
X PADS, FRONT
BRAKE
84793349 1
Warranty Information
Repairs made for the specific concern within this
bulletin may be covered under the vehicle’s New
Vehicle Limited Warranty “Bumper-to-Bumper” terms
(Canada Base Warranty). Refer to the Limited Warranty
and Owner Assistance Information Booklet for
“Bumper-to-Bumper” (Canada Base Warranty)
coverage information.
Labor
Operation
Description Labor Time
2486038*
Front Disc Brake Pads
Replacement for Squealing
Noise
0.7 hr
*This is a unique Labor Operation for bulletin use only.
Version 4
Modified
Released January 06, 2020
April 28, 2020 – Added a breakpoint date.
January 27, 2021 – Added Israel to the Involved Region or Country section and updated
the warranty coverage statement.
March 11, 2021 – 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.
WE SUPPORT VOLUNTARY
TECHNICIAN
CERTIFICATION
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 20-NA-002
Date: March, 2021
NHTSA ID Number: 10187752
Manufacturer Communication Number: 20NA002
Summary
This service bulletin provides a procedure to correct a condition of front brake squeal noise.
1 Associated Document
Manufacturer Communications
Bulletin No.: 20-NA-002
Date: February, 2021
NHTSA ID Number: 10175754
Manufacturer Communication Number: 20NA002
Summary
This technical bulletin provides a procedure to correct a condition of front brake squeal noise.
1 Associated Document
Manufacturer Communications
Bulletin No.: 20-NA-002
Date: May, 2020
NHTSA ID Number: 10171903
Manufacturer Communication Number: 20NA002
Summary
This technical bulletin provides a procedure to correct a condition of front brake squeal noise.
1 Associated Document
Manufacturer Communications
Bulletin No.: 20-NA-002
Date: January, 2020
- Complete Tool Set: Orion Motor Tech's 24-piece brake caliper compression tool set includes 2 retaining plates, 2 thrust bolt assemblies, 2 brake caliper hangers, and 18 adapters, easily servicing your brakes without damage
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