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NHTSA ID Number: 10219288
Manufacturer Communication Number: 21-NA-142
Summary
This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
Condition
A dealer may encounter a vehicle with a grind or growl noise coming from the brakes. This noise will normally occur after the vehicle has been sitting for several hours or overnight. It will occur on a light to medium brake application at low speeds for the rst few stops after the vehicle has been sitting. The noise may be described as a grind, growl, squeak or squeal noise. It may also be noted that there is a sound and a feel as if the ABS has been activated, however there will be no ABS event actually occurring. In some cases, but not all the noise will go away after a few thousand miles of driving.
Cause
Composition of brake material
24 Affected Products
Vehicles
MAKE | MODEL | YEAR |
BUICK | ENCLAVE | 2020-2023 |
CADILLAC | XT5 | 2021-2023 |
CADILLAC | XT6 | 2021-2023 |
CHEVROLET | BLAZER | 2021-2023 |
CHEVROLET | COLORADO | 2021-2022 |
CHEVROLET | TRAVERSE | 2020-2023 |
GMC | ACADIA | 2021-2023 |
GMC | CANYON | 2021-2022 |
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-142
Date: August, 2022
https://www.nhtsa.gov/recalls?nhtsaId=10219288
NHTSA ID Number: 10185753
Manufacturer Communication Number: PIT5805
Summary
This Preliminary information communicates that a dealer may encounter a vehicle that is making a grinding or growling noise on the first few brake applications after the vehicle has been sitting overnight. The dealer is instructed to perform no repairs at this time as engineering is looking into a repair. The dealer is advised that this PI will be converted into a bulletin with repair instruction when updated parts are available.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5805
Published date: 12/28/2020
https://www.nhtsa.gov/recalls?nhtsaId=10185753
“This site contains affiliate links for which OEMDTC may be compensated” |
- EASY OPERATION: For brake pad and shoe replacement and rotating pistons back into the caliper on your car, truck or 4-wheel drive disc brake vehicle. Includes both right-handed and left-handed thrust bolt assemblies.
- UNIVERSAL COMPATIBILITY: This multi-disc brake caliper wind back tool kit includes 18 adapters fitting hundreds of vehicle makes and models including American, European, and Japanese. See the Product Description section below for a more complete list.
- HEAVY-DUTY DURABILITY: Carbon steel construction with a rust-proof blasted finish, these components will stand up to heavy use and accidental drops. It’s perfect for everyone from DIY novices to professional mechanics.
- CONVENIENT CARRY CASE: Includes an ABS carrying case with pre-sized slots for every component - right and left-handed thrust bolts, 2 retaining plates, and 18 disc adapters.
- TECHNICAL SUPPORT: Each kit includes a detailed user manual with an illustrated parts diagram. We pursue outstanding quality and professional technical support. If you are not satisfied with this product or if you have any questions, please let us know.
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- 【Complete Drum Brake Set】This 8 piece set Drum Brake Kit Tool from TOPEND includes all the necessary accessories for adjustment, removal, and installation of your drum brakes: Drum brake spring pliers, brake spring installers, removers, Brake Spring Compressor, retainers, and standard, angled, and mini adjustment spoons
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- 【Compatibility and practicality】 this drum brake tool kit covers hundreds of makes and models of cars and light trucks, whether import or domestic; Rugged blow-molded case keeps everything organized for easy storage or transport between jobs
- 【Durable Build】The metallic components of this Brake Drum Tool Kit are made of structural-grade 45# steel to offer good ductility as well as outstanding strength; Black oxide and chromate coatings on all components, ensures long lasting performance and corrosion resistance even after years of punishing use
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- UNIVERSAL COMPATIBILITY: This brake caliper tool set includes 2 retaining plates, left and right thrust bolt assemblies, and 18 adapters to fit hundreds of domestic and import vehicle makes and models and give you everything you need to service your brake pads
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- SATISFACTION GUARANTEED: This brake caliper compression tool set is backed with Orion Motor Tech's usual strong warranty and friendly 24/7 customer service, ensuring that you'll be able to use this kit for years to come
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- ORGANIZED STORAGE SOLUTION: The brake caliper press tool kit comes with a sturdy ABS carrying case featuring pre-sized slots for each component, including right and left-handed thrust bolts, two retaining plates, and 18 disc adapters, ensuring easy organization and transport.
- PROFESSIONAL SUPPORT: To guarantee outstanding quality and user experience, each brake caliper tool set includes a detailed user manual with an illustrated parts diagram and access to professional technical support when needed.
Last update on 2024-03-17 / Affiliate links / Images from Amazon Product Advertising API
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Copyright 2022 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 21-NA-142 Date: August, 2022 TECHNICAL Subject: Front Brake Grind/Groan Noise After Sitting Overnight This bulletin replaces PIT5805B. Please discard PIT5805B. Brand: Model: Model Year: VIN and DATE Breakpoints: Engine: Transmission: from to from to Buick Enclave 2020 2023 5GAERBKW8LJ296460 All All Cadillac XT5 2021 XT6 Chevrolet Blazer 2021 Colorado 2021 2022 Traverse 2020 2023 1GNERKKW5LJ296020 GMC Acadia 2021 Canyon 2022 Involved Region or Country North America, Russia, Middle East, Palestine, Japan, South Korea, Bolivia, Ecuador, Chile, Colombia, Peru, GM Korea, Uzbekistan. Additional Options (RPOs) Condition Some customers may comment on hearing a brake noise on the first few stops. They may describe it as a grind/groan sound, and it may feel like ABS is active, but it is not. Cause The cause of the condition may be the front disc brake pad material. Note: A revised pad material is being developed to address this noise concern and should be available in the November/December timeframe. If the customer is not satisfied with waiting for the new pads, follow the Correction below. Correction Verify the condition is present and check the pad number stamp on the top edge of the pad. If you see GA9130 or GA9140, and this is the first visit, 1. Replace the front disc brake pads with the parts listed below, refer to Front Disc Brake Pads Replacement in the Service Manual 2. Scuff the rotors. 3. Perform the Brake Pad and Rotor Burnishing procedure. Refer to Brake Pad and Rotor Burnishing in the Service Manual Complete a minimum of 20 stop events. If you see GA9140, and this is a second visit, 1. Replace the front disc brake pads with the parts listed below, refer to Front Disc Brake Pads Replacement in the Service Manual 2. Scuff the rotors. 3. Perform the Brake Pad and Rotor Burnishing procedure. Refer to Brake Pad and Rotor Burnishing in the Service Manual Complete a minimum of 20 stop events. Page 2 August, 2022 Bulletin No.: 21-NA-142 Parts Information Causal Part Description Part Number Qty X Pad Kit-Frt Disc Brk 85520396 (Acadia, Blazer, Enclave, Traverse, XT5 and XT6 1 Pad Kit-Frt Disc Brk 85139417 (Colorado, Canyon) Warranty Information Repairs made for the specific concern within this bulletin will be covered for a period of 24 months or 24,000 miles or 40,000 km, whichever occurs first. Labor Operation Description Base Labor Time 2486258* Front Disc Brake Pads Replacement and Scuff Both Front Rotors Canyon/Colorado – 1.1 hr Enclave – 1.1 hr Traverse – 1.1 hr Blazer – 1.1 hr Acadia – 1.2 hr XT5 – 1.1 hr XT6 – 1.6 hr *This is a unique Labor Operation for Bulletin use only. Version 7 Modified Released June 21, 2021 Revised June 30, 2021 – Replaced LTG Labor Operation with Unique Bulletin Labor Operation Revised July 13, 2021 – Updated Parts Information with New Replacement Service Part # 85520396. Revised January 27, 2022 – Updated Breakpoints Revised March 09, 2022 – Changed Blazer End Breakpoint from Date to VIN. Revised April 14, 2022 – Added Note to Cause, Updated Correction, Increased Labor Time and Replaced Labor Operation Number. Revised August 23, 2022 – Added 2023 Model Year to All Models Except Colorado and Canyon. 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
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