NHTSA ID Number: 10222669
Manufacturer Communication Number: 22-NA-183
Summary
This informational bulletin advises the tech of a different tire/rim option that can be used to correct the customers concern.
Condition
Some customers may comment on poor ride quality at highway speeds.
Cause
This condition may be caused by tire inflation pressure that is high to handle load capacity of the truck. If the truck is driven unloaded, then the road inputs may give a harsh ride for the occupants.
Correction
Important: This is not a warranty concern but an option and any action taken would be a customer pay event.
Note: Techline will need to be contacted to update the calibration to correct the speedometer.
Verify that there are no imbalance or road force issues with the tires.
If the tires are within balance and RF specs and the ride quality is still undesirable, to improve ride quality, the Accessory Group has released an 18″ or 20″ wheel and tire for this model of truck. Refer to the Accessory Site for available wheels and tires system.
The spare tire
and wheel will have to be replaced with the production 18″ spare to provide the correct circumference tire to work properly with the ABS and stability system. .
Parts Information
Note: Parts needed for spare tire assembly:
| Description | Part Number | Qty |
| WHEEL ASM-18X8 | 9597730 | 1 |
| TIRE LT275/ 70R18 E | 23376704 | 1 |
| STEM ASM TIRE VALVE | 9593595 | 1 |
| STRAP ASM-SPA WHL STOW | 84275188 | 1 |
| LABEL – TIREPRESS ENGLISH | 19206430 | 1 |
| Label Kit – Canada English/French | 19206431 | 1 |
16 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CHEVROLET | SILVERADO 2500 | 2020-2023 |
| CHEVROLET | SILVERADO 3500 | 2020-2023 |
| GMC | SIERRA 2500 | 2020-2023 |
| GMC | SIERRA 3500 | 2020-2023 |
1 Associated Document
Manufacturer Communications
Bulletin No.: 22-NA-183
Date: September, 2022
MC-10222669-0001.pdf 500.749KB
- Product Overview: The Forceum M/T 08 Plus are 235/75R15 104/101Q C 6 Ply Rated Mud Terrain Tires Manufactured For Light Trucks
- Driving Conditions: All Season Traction
- Styling and Construction: Four Black Sidewall, Radial Construction, 15 Inch Tires
- Load Index and Speed Rating: Load Index 104/101 Supports up to 1984/1819 lbs Per Tire and Speed Rating Q Certified to 99 mph
- Additional Note: Tires Only - Rims/Wheels Not Included
- Designed for use on light trucks and SUVs
- Built with an aggressive tread pattern, deep grooves, and full-depth siping that improves traction and performance in rainy, muddy, and snowy conditions
- Computer optimized design lowers road noises and vibrations to create a quiet, comfortable ride for drivers and passengers
- Angled tread blocks and open shoulders force mud, dirt, rocks, stones, and other debris out of the tread for consistent traction
- Unilateral center rib boosts stability on paved roads
- Mud terrain tread design
- Black sidewall
- Aggressive design increase grip on- and off-road
- Open tread pattern that forces mud, dirt, rocks, sand, water, slush, and other debris for consistent traction and to protect the casing from damage
- Product Overview: The Accelera M/T-01 are 235/85R16 120/116Q E 10 Ply Rated Mud Terrain Tires Manufactured For Light Trucks
- Driving Conditions: All Season Traction
- Styling and Construction: Six Black Sidewall, Radial Construction, 16 Inch Tires
- Load Index and Speed Rating: Load Index 120/116 Supports up to 3086/2756 lbs Per Tire and Speed Rating Q Certified to 99 mph
- Additional Note: Tires Only - Rims/Wheels Not Included
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Copyright 2022 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 22-NA-183 Date: September, 2022 INFORMATION Subject: Information on Heavy Duty Silverado and Sierra with 17 Wheels and QHQ Tires with Poor Ride Quality Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Silverado 2500HD/3500HD 2020 2023 GMC Sierra 2500HD/3500HD Involved Region or Country North America Condition Some customers may comment on poor ride quality at highway speeds. Cause This condition may be caused by tire inflation pressure that is high to handle load capacity of the truck. If the truck is driven unloaded, then the road inputs may give a harsh ride for the occupants. Correction Important: This is not a warranty concern but an option and any action taken would be a customer pay event. Note: Techline will need to be contacted to update the calibration to correct the speedometer. Verify that there are no imbalance or road force issues with the tires. If the tires are within balance and RF specs and the ride quality is still undesirable, to improve ride quality, the Accessory Group has released an 18″ or 20″ wheel and tire for this model of truck. Refer to the Accessory Site for available wheels and tires system. The spare tire and wheel will have to be replaced with the production 18″ spare to provide the correct circumference tire to work properly with the ABS and stability system. . Parts Information Note: Parts needed for spare tire assembly: Causal Part Description Part Number Qty N/A WHEEL ASM-18X8 9597730 1 N/A TIRE LT275/ 70R18 E 23376704 1 N/A STEM ASM – TIRE VALVE 9593595 1 Causal Part Description Part Number Qty N/A STRAP ASM-SPA WHL STOW 84275188 1 N/A LABEL – TIRE PRESS ENGLISH 19206430 1 N/A Label Kit – Canada English/ French 19206431 1 Version 1 Modified Released September 07, 2022 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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