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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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SaleBestseller No. 1
Adam's Polishes Wheel & Tire Cleaner 16oz - Professional All in One Car Wash Wheel Well Cleaning Spray for Car Detailing | Safe On Most Rim Finishes
- ✅ ELIMINATES DIRT, BROWNING, AND BRAKE DUST - Which part of your car takes the biggest beating? Your wheels & Tires! Between the heat, elements, and constant brake contaminants your wheels are almost immediately dirty. Adam’s Wheel & Tire Cleaner is a specifically formulated chemical designed to target heavy brake dust and restore your tires back to factory color.
- ✅ SAFE ON MANY FINISHES - Safe on clear-coated, powder-coated, chrome, alloy, and painted wheels. Most wheel cleaners can be harmful to your wheel finish and dissolve more than what you wanted to clean off! Adam’s Polishes Wheel & Tire Cleaner gets to work fast and dissolves stubborn metallic contamination.
- ✅ GET RID OF BROWN TIRES - If you’re happy with brown, old and decrepit tires, look away! If you’re wanting to thoroughly clean your vehicle’s shoes and make them look like new again, then look no further! Adam's Wheel & Tire Cleaner contains a blend of alkaline-concentrated solvents and surfactants to create a high sudsing formula and removes silicones, greases, wax build-up, polymers, and any previously applied dressings to leave your tires and wheels looking new.
- ✅ EXTEND YOUR TIRE DRESSINGS LIFE - Adam’s Wheel & Tire Cleaner is a detailing essential for any user, from rookie to professional. When investing in premium protective options, high foaming soaps, and ultra-premium microfiber towels, your vehicle's shoes need to be kept clean to not take away from the rest of the vehicle. If you choose not to clean your tires, your tire dressings have no chance of sticking around. Clean your tires before with Wheel & Tire Cleaner to maximize your tire shine.
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Bestseller No. 3
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
- Professional-Grade Performance: Trusted by detailing professionals and part of the Renny Doyle Double Black Collection, this wheel cleaner delivers pro-level results for enthusiasts and pros alike. Perfect for daily drivers, off-road rigs, and show cars
Bestseller No. 4
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
Bestseller No. 5
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
- ULTRA-SAFE: Gentle cleaning agents won’t harm wheels or brake components
- IDEAL FOR AFTERMARKET: The ideal choice for aftermarket wheels that often have sensitive and delicate surfaces
SaleBestseller No. 6
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.)
- Safe On All Factory Installed Wheels: Acid-Free, Ph Balanced Formula Won'T Damage Wheels, Safe On Various Wheel Finishes Including: Chrome, Aluminum, Steel, Clear Coated, Pvd, Painted, Plastic Wheel Covers, And Magnesium
- 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
- Advanced And Effective Chemistry: Full Effect, Non Acid Wheel Cleaner Attaches And Emulsifies Stubborn Baked On Brake Dust. Simply Spray On, Let It Dwell, Watch For Color Change, Agitate If Necessary, And Rinse With Water. *For Best Results Rinse Using High Pressure Water
- 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
SaleBestseller No. 7
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
- POWERFUL WHEEL CLEANER: Made in the USA, this advanced formula clings to wheels, breaking down tough brake dust and road grime for a deep, thorough clean
- COLOR-CHANGING TECHNOLOGY: This cleaning spray for wheels turns a deep purple as it interacts with brake dust, letting you see it working and ensuring maximum effectiveness
- SAFE FOR ALL WHEEL FINISHES: pH-balanced, non-acidic, and non-caustic formula is safe for painted, chromed, uncoated aluminum, powder-coated, and anodized wheels
- EASY TO USE RIM CLEANER: Simply spray this car wheel cleaner, let it dwell for 3-5 minutes, agitate gently and rinse away grime for sparkling clean wheels
- REFORMULATED FOR BETTER PERFORMANCE: Our brake dust remover now features more active ingredients for stronger cleaning power and a fresh scent that won’t linger
SaleBestseller No. 8
SONAX Beast Wheel Cleaner | Brake Dust Cleaner | Color Changing Rim Cleaner | Strong Wheel Cleaner | Easy Wheel and Rim Cleaner | Removes Baked On Brake Dust | 1 Liter | 33.8 fl oz
- SAFE ON ALL FACTORY INSTALLED WHEELS: Acid-free, ph balanced formula won't damage wheels, Safe on various wheel finishes including: Chrome, Aluminum, Steel, Clear Coated, PVD, Painted, Plastic Wheel Covers and Magnesium
- 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, Sprays on clear, then turns deep red or purple as it dissolves brake dust
- ADVANCED AND EFFECTIVE CHEMISTRY: Non-acid wheel cleaner attaches and emulsifies stubborn baked on brake dust. Simply spray on, let it dwell, watch for color change, agitate if necessary, and rinse with water. For best results rinse using high pressure water
- THE BEAST is ideal 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
- THE BEAST should be used on cool, dry wheels, Product is ready to use, do not dilute, Use caution when applying to anodized wheels and brake systems - test in an inconspicuous area prior to use
Bestseller No. 9
Chemical Guys Two Face Wheel Cleaner, Color Changing Wheel Cleaner, Safe for Cars, Trucks, SUVs, Motorcycles, RVs & More, 16 fl oz - CLD30316
- EASY WHEEL CLEANING WITH MINIMAL EFFORT: Say goodbye to scrubbing! Two Face Wheel Cleaner is a quick spray-and-rinse solution that makes wheel cleaning a breeze. No more getting on your knees—just spray, rinse, and enjoy the shine!
- SEE THE MAGIC HAPPEN: Watch Two Face Wheel Cleaner in action! It changes color as it works, so you know exactly when it's ready to rinse off. Cleaning your wheels has never been this satisfying.
- FAST COLOR-CHANGING TECHNOLOGY: Two Face Wheel Cleaner sprays on clear and turns purple when it's doing its job. It's like a little light show for your wheels, showing you it's hard at work removing dirt and grime.
- CLINGS FOR DEEP CLEANING: This isn't your average cleaner. Chemical Guys special formula sticks to your wheels, giving it more time to work its magic. The result? A deeper, more thorough clean without the extra effort.
- BEATS BRAKE DUST WITH EASE: Brake dust? No problem! Two Face Wheel Cleaner is powerful and tackles dirt & grime head-on, so you don't have to. Just spray, wait a few minutes, rinse, and you're done. Easy peasy, ready for the road.
Bestseller No. 10
Meguiar's D14301 Non Acid Tire and Wheel Cleaner, Pre-Diluted, No Mixing Required Car Wheel Cleaner - 1 Gallon Wheel Cleaner 128 Fl Oz
- EFFECTIVE CLEANING: Our solution ensures easy and efficient cleaning for wheels and tires; swiftly removing brake dust; road grime; light grease; and dirt.
- READY TO USE: With a pre-diluted; no-mixing-required formula; our cleaning solution offers convenience; making it user-friendly for quick and hassle-free applications.
- PREMIUM MATERIALS: Crafted with premium materials; our cleaning solution is designed for durability; maintaining excellent resistance to wear and tear in various environments.
- SAFETY FIRST: Committed to safety and compliance; our product is ready for use and comes with necessary certifications; reflecting our dedication to prioritizing safety in its application.
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