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NHTSA ID Number: 10163214
Manufacturer Communication Number: 19NA074
Summary
This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.
4 Affected Products
Vehicles
SEOCONTENT-START
Service Bulletin Bulletin No.: 19-NA-074
Date: June, 2019
INFORMATION
Subject: Rotor Tinnerman Push Nut Removal Requirement for Accessory Wheel and Tire
Installation
Brand: Model:
Model Year: Breakpoint:
Engine:
Transmission:
from to from to
Chevrolet
Silverado
2500/
3500 HD 2020 2020
GMC Sierra 2500/
3500 HD
Involved Region or Country North America, N.A. Export Markets, Middle East and Israel
Additional Options (RPOs) Equipped with ACCESSORY-WHEEL – 20 X 8.5 – J – ALUMINUM – DESIGN 1,
ACCESSORY-WHEEL – 20 X 8.5 – J – ALUMINUM – DESIGN 2 (RPOs SHH, SHL)
The purpose of this bulletin is to clarify installation
requirements when installing Accessory wheels on
2020 Chevrolet Silverado HD and 2020 GMC Sierra
HD. These models may include tinnerman push nuts on
two of the rear wheel lugs used to retain the rear brake
rotor. GM Accessory wheel part numbers 84040805
and 84040806 DO NOT include a pocket on the
mounting surface to fit over these nuts. Affected wheels
will contain a sticker stating that these push nuts must
be removed.
Note: Installtion of these wheels over Tinnerman/Push
Rotor nuts may create lateral runout, inducing a
vibration.
5359007
Prior to installing affected Accessory wheels, the dealer
technician must remove and discard the tinnerman
push nuts (1). Failure to do so may result in unintended
lug nut and wheel loosening.
Once the wheel is installed, the technician should
remove the sticker on the front of the wheel. The sticker
should come off the wheel with little to no residue.
Residual residue can be removed with soap, hot water
and a cotton cloth per the wheel cleaning instructions in
the wheel instruction sheet.
Page 2 June, 2019 Bulletin No.: 19-NA-074
Version 1
Modified Released June 17, 2019
SEOCONTENT-END
Bulletin No.: 19-NA-074
Date: June, 2019
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Bestseller No. 1
Chemical Guys CLD_203_16 Signature Series Wheel Cleaner, Formated For All Gloss Finishes, Safe for Cars, Trucks, SUVs, Motorcycles, RVs & More 16 fl oz
- TOUGH ON GRIME - Signature Series is a strong citrus-based wheel cleaner that is tough on brake dust and filth, but gentle and safe for most wheel finishes and materials.
- NATURAL CITRUS CLEANING POWER - Signature Series Wheel Cleaner is blended with natural citrus extracts for powerful cleaning of dirt, grime, and brake dust. Brake dust contains corrosive iron and carbon deposits that can destroy wheels.
- SUPER CONCENTRATED - Adding Signature Series to normal wheel cleanings reduces buildup and corrosion and protects a pristine showroom shine; Clean rubber tire sidewalls to ensure tire shine dressings last longer and look better!
- WE MAKE LOOKING GOOD EASY - Spray the cleaner directly onto alloy wheels, plastic wheel covers, brake parts, suspension parts, plastic fender liners, or undercarriage parts to break down caustic grime and filth.
- THE GO TO BRAND IN CAR CARE - Beginners and professionals alike choose Chemical Guys, not only for the finest car care products, but the world class customer support and vast detailing knowledge Chemical Guys is more than a brand it's a lifestyle with a worldwide following
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Rim Reactor Wheel Cleaner – Premium Formula Quickly Removes Brake Dust, Grime & Dirt - Tire Cleaner Spray Safe for Alloy, Aluminium, Chrome and Black Wheels - pH Neutral Rim Care Solution – 16 fl Oz
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- COLOR-CHANGING FORMULA - WATCH IT WORK - Our pH-balanced, non acid wheel cleaner reacts with iron deposits, turning purple as it breaks down stubborn brake dust and metallic contamination.
- SAFE FOR ALL WHEELS & FINISHES - NO DAMAGE, NO STAINS - Our pH-balanced, non acid formula is tough on grime but gentle on aluminum, chrome, steel, and painted wheels. Cleans thoroughly without stripping coatings or damaging finishes.
- FAST-ACTING FORMULA – Simply spray on, wait 2–4 minutes, and rinse off — no scrubbing needed for most applications. Perfect for DIY car detailing or professional car washes, especially on moderately contaminated wheels.
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P & S Professional Detail Products Brake Buster Wheel Cleaner - Non-Acid Formula, Removes Brake Dust, Dirt, & Corrosion
- Powerful Brake Dust Removal: Cuts through tough brake dust, grime, and road contaminants with ease. This high-performance cleaner is designed to lift away embedded dirt and iron buildup, restoring your wheels to a factory-fresh look
- Safe for All Wheels & Finishes: The non-acid formula makes it safe for chrome, aluminum, painted, powder-coated, and steel wheels. Get a deep clean without worrying about damage or discoloration
- Foaming Action for Maximum Cleaning: Use it straight from the bottle or dilute it in a foam sprayer to create a thick, clinging foam that lifts dirt and debris for effortless rinsing. The foaming action penetrates into hard-to-reach areas for thorough cleaning
- Restores & Protects: Not only does Brake Buster remove stubborn contaminants, but it also leaves behind a protective coating to help repel future grime, brake dust, and oxidation—keeping your wheels cleaner for longer
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Meguiar's G14324 Hot Rims Aluminum Wheel Cleaner - 24 Oz Spray Bottle
- ALUMINUM WHEEL CLEANER: Meguiar’s safest, least-aggressive cleaner is designed specifically for uncoated aluminum and other sensitive materials
- EFFECTIVE FOAMING ACTION: Our Extreme Cling foam grabs the wheel’s surface to effectively and gently dissolve dirt, brake-dust buildup and road grime
- VERSATILE USE: Safely and effectively cleans uncoated polished aluminum, as well as alloy, anodized and powder-coated wheels
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- IDEAL FOR AFTERMARKET: The ideal choice for aftermarket wheels that often have sensitive and delicate surfaces
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SONAX Wheel Cleaner Full Effect (230200) | Non-Acid Rim Cleaner | Color Changing Wheel Cleaner | Brake Dust Cleaner | Non-Acid Iron Remover | (500 ml or 16.9 fl. oz.)
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- Watch It Work: The Color Changing Formula Activates When It Comes In Contact With The Ferrous Metals (Iron) From Brake Dust Or Other Dirt And Grime. Full Effect Sprays On Fluorescent Yellow, Then Turns Deep Red Or Purple As It Dissolves Brake Dust
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- Full Effect Is Great For Both The Diy (Do-It-Yourself) And The Professional. Effortlessly Achieve Shining Wheels That Will Make Your Vehicle Look Like It Just Rolled Off The Showroom Floor
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Armor All Extreme Wheel and Tire Cleaner - 32 FL OZ
- Triple-Action formula dissolves grease, road grime and brake dust
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- ✅ EXTREME “CLING” FOAMING ACTION : Contains a blend of rich, thick alkaline-concentrated foaming cleaning agent to cling onto vertical surface, so you can be sure that wherever you apply it, it will provide an effective contamination removal.
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- ✅ SAFE ON MANY FINISHES – Professional-grade wheel and tire cleaner that forgoes caustic acids and instead relies on smart chemistry. Safe on clear-coated, powder-coated, chrome, alloy, and factory painted wheels. Nanoskin Non Acid gets to work fast and dissolves stubborn metallic contamination.
- ✅ EASY TO USE & SAVE TIME: Stable foam allows for complete coverage and proper cling-time to vehicle surfaces, makes beginner and professional detailer friendly. Nanoskin Non Acid enables you to save time and maximize profits by relying on one wheel cleaner for most applications.
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Griot's Garage Heavy-Duty Wheel Cleaner for All Wheel Finishes, Breaks Down and Removes Stubborn Brake Dust and Grime, PH Balanced, Non-Acidic, 11026, 35oz
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