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NHTSA ID Number: 10187391
Manufacturer Communication Number: 20NA030
Summary
This service bulletin provides a procedure to correct a customer concern of Rear Air Suspension Inoperative.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| CHEVROLET | SILVERADO 4500HD | 2019 |
Parts Information
| Causal Part | Description | Part Number | Qty |
| X | SPRING, RR AIR | 19407642 | 2 |
| N/A | ABSORBER, RR SHK | 19408176 | 2 |
|
|
SEOCONTENT-START
Service Bulletin Bulletin No.: 20-NA-030
Date: December, 2020
TECHNICAL
Subject: Rear Air Suspension Inoperative
Brand: Model:
Model Year: VIN:
Engine: Transmission:
from to from to
Chevrolet Silverado 4500HD,
5500HD and 6500HD 2019 2020
Involved Region or Country North America
Additional Options (RPOs)
G40 (SUSPENSION REAR-12,000 LB, AIR)
GP1 (SUSPENSION REAR-13,500 LB, AIR)
GP8 (SUSPENSION REAR-15,500 LB, AIR)
Condition Some customers may comment that the rear of the truck sits low, or air suspension will
not properly inflate.
Cause This condition may be caused by the rear air spring coming off the lower mount when
lifting/removing weight off rear axle.
Correction If it has been verified that the rear air spring has come off the rear mount, replace both
rear air springs and the shock absorbers.
Service Procedure
Refer to Air Spring Replacement in SI.
Refer to Rear Shock Absorber Replacement (With Air
Springs) in SI.
Parts Information
Causal
Part
Description Part
Number
Qty
X SPRING, RR AIR 19407642 2
N/A ABSORBER,
RR SHK
19408176 2
Page 2 December, 2020 Bulletin No.: 20-NA-030
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Description Labor Time
8000021 Rear Air Spring Replacement – Both Sides Use the Published Labor
8044751 Rear Shock Absorber Replacement – Both Sides Operations Time
Version 1
Modified Released November 30, 2020
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: 20-NA-030
Date: December, 2020
https://www.nhtsa.gov/recalls?nhtsaId=10187391
MC-10187391-9999.pdf 497.683KB
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SaleBestseller No. 1
DEDC 2PCS Rear Air Ride Suspension, Shocks Strut, Air Spring Replacement Parts for 2000-2014 CHEVY Suburban 1500 GM Cadillac Escalade Truck SUV with Z55 Autoride, 22187156, 25979393, 25979394 AS-2708
- 【Air suspension】]also known as air springs or air compression suspension, is a suspension accessory that ensures a smooth ride.
- 【Applicable Models】Air suspension for Fit for 2002-2011 Cadillac Escalade;Suburban,Tahoe; GMC Yukon. (This model excluded: Avalanche 1500---With Z55 Autoride). It can replace the original shock absorber package directly.
- 【Excellent Quality】 Original factory replacement, high quality silicone, forged aluminum alloy. Bags lasted 80k miles and 8 years. air shocks for better fit to the original car
- 【Reference OEM Number】 OEM electronic air shocks: 22187156 25979393 25979394. Fit For CHEVY GM Truck SUV with Z55 Autoride.Interchangeable part numbers：23487280 19300069 19300070 19300071 19300072
- 【Package Included】 Come with a pair of CHEVY GM Truck SUV Air Suspensions Bags. If you have any questions about this product, please feel free to contact us.
Bestseller No. 2
Dorman 949-099 Suspension Air Compressor Compatible with Select Cadillac / Chevrolet / GMC Models (OE FIX)
- Upgraded replacement - this air compressor replaces and improves on the original part for certain Cadillac, Chevrolet and GMC vehicles
- Enhanced technology - features advanced thermal protection software to prevent future burn out
- More durable - addition of protective membrane prevents moisture intrusion
- Complete repair - brackets, dryer, air filter boxes, sealed sound isolation shielding, wiring harness and connectors included
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
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X AUTOHAUX 1 Set Air Height Leveling Control Valve 90054007 for Chevrolet for Kenworth for Volvo Trucks Tractor Trailer RVs Bus Height Control Air Suspension Valve 1/8" Port
- [Part Number of Air Height Leveling Control Valve] 90054007, 90554335, 90554902, 22040570. Please check your own truck model before purchase.
- [Widely Application of Height Control Valve] Fit for Kenworth, for Volvo, for Chevrolet, for GM, for many trucks, trailers, tractors, RVs etcs.
- [Function of Air Suspension Valve] It can control suspension height in commercial vehicles, by dynamically sensing the height change of the truck, properly complete the air change action to adjust the height of air spring.
- [Features of Height Control Air Suspension Valve] Come with 1/8" NPT Suspension Ports(top exhaust port, middle air spring port, and bottom supply port) and 8" bent arm, adopt with durable metal material and reliable constructions, ensure longer service life, provide a smooth driving experience.
- [Package] Include 1x Height Control Leveling Valve, 1x Fitting, 1x Tube, 1x Tube Fitting, 1x Locating Pin, Dump valve is not included. Please search online to get the professional installation video if in doubt.
Bestseller No. 4
23487280 Rear Air Shock Absorber Compatible with Escalade ESV EXT Chevy Suburban Tahoe Avalanche GMC Yukon XL 1500 19302786 25871432 580-1091 (2 Pack)
- Vehicle Models Compatibility List: Chsuatuo Rear air shock absorber compatible with GMC YUKON XL1500, 2007-2013; GMC YUKON, 2007-2012; CHEVROLET TAHOE, 2007-2012; CHEVROLET SUBURBAN 1500, 2007-2012; CHEVROLET AVALANCHE, 2007-2012; CADILLAC ESCALADE EXT, 2007-2012; CADILLAC ESCALADE ESV, 2007-2012; CADILLAC ESCALADE, 2007-2013
- Reference Oem Number: 23487280,19300069,19300070,19300071,19300072,25979394,AS-2127,AS-2700,AS-2708,19302786,22187156,25979391,25979393,15756926,15852159,15869656,15869658,15918525,15924688,15945872,19300040,19300045,19300046,25885470,40034,4J-0005S,88965338,88965458,AS-2715,19302786 25871432 580-1091
- In-Situ Installation: our air shock absorber snap and shape are the same as the original, direct in-situ replacement of the original shock absorber without any modification
- Eliminate The Sound: Our rear air ride suspension shocks strut are made of natural rubber, which reduces vibration and noise and eliminates machine noise by more than 99%
- Smooth Operation: The rear air suspension shock struts can effectively solve cornering, high-speed instability, emergency braking, and nodding so that traveling is more stable and safer
Bestseller No. 5
TORQUE Airbag Air Bag Suspension Kit for 2019-2023 Chevrolet Chevy Silverado 1500 and GMC Sierra 1500 Rear Helper Bag Spring Towing 5000 lbs (Replaces Firestone Ride Rite 2609) (TR2609)
- FITMENT - Fits the following years 2019 2020 2021 2022 2023 19 20 21 22 23
- REPLACE - This air helper spring kit is direct OEM replacement to Firestone Ride Rite W21-760-2609 which is suitable for 2019 - 2023 model Chevrolet Silverado / GMC Sierra 1500 pickup trucks with 2-wheel drive and 4-wheel drive. It fits High Country and Denali models as well.
- INSTALLMENT - Bolt-on installation with no frame drilling required. You can easily install the air bag kit yourself. The brackets in the kit are No-Drill required. Since the kit comes with all bolts and nuts needed for the installation, you can attach the frames with them. The kit also has an installation manual including all the instructions step by step.
- QUALITY - It is designed to maximize the vehicle's safe load-carrying capacity, stability, ride quality and brake effectiveness. TORQUE air helper springs provide load support through the use of air pressure that can be adjusted for changing loads. They enhance the ride by reducing inter-leaf friction. It helps steering control and braking effectiveness. It softens contact between the axle and the frame to reduce bottoming out.
- INCLUDE - 2 pcs of air bags, all brackets, installation manual, bolts and nuts you need for installation, inflation valves, elbow fittings, and tubing.
Bestseller No. 6
iiLentes Rear Bag Air Helper Spring Suspension Kit W217602071 3000-5000Lbs for 1969-1996 Ford for 1969-2002 Dodge GM Pickup for 1973-1987 Chevrolet GMC Trucks
- Perfect Fitment: Our air suspension kit is designed to fit 1973-1987 Chevy/GMC Pick Up trucks C&R 10, 1500 (2WD only), 1969-2002 Dodge Pickup Trucks D&W 100, 150, 250, Ram 1500 (2WD, 4WD), Ram 2500, 3500 (2WD, 4WD), 1969-1996 **250 Under 8500 GVWR(4x2, 4x4), 1963-2010 **250 Over 8500 GVWR(4x2, 4x4), and 1969-2010 **350.
- Heavy-Duty Load Capacity: Our air springs can handle up to 5000 pounds of load carrying, making it perfect for hauling heavy cargo or towing a trailer.
- Easy Installation: Our air helper springs can be installed on most light trucks, RVs, and vans. The Ride-Rite and Sport-Rite Air Helper Springs are installed between the frame of the suspension, providing load support through the use of air pressure.
- Safe and Reliable: We never recommend exceeding the manufacturer's Gross Vehicle Weight Rating (GVWR) for your safety. Our air suspension kit is designed to provide you with a safe and reliable ride.
- Complete Kit: Our kit includes the item model number: W21-760-2071, mounting hardware, and a 1" rear suspension lift kit, making it a complete package for your convenience.
Bestseller No. 7
TRQ Rear Air Socks & Front Struts with Electronic Damper Conversion & Compressor w/Mounting Bracket for GM Truck SUV
- Direct Fit, OE Replacement Air Suspension System
- Kit Includes: (1) Front Electronic Strut Conversion Kit; (2) Front Air Shock Assemblies; (2) Rear Air Shock Assemblies; (1) Air Suspension Compressor with Mounting Bracket; (2) Front Shock & Spring Assemblies
- Vehicle Specific: Check fitment information in the listing for compatibility
- OE Reference Number(s): 10395825,15056494,15070878,15101577,15254590,15296756,15949881,19299545,20837299,20930288,22941806,23282712,25913289
- Aftermarket Reference Number(s): 10395825,11590,139104,14510900,15056494,15070878,15101577,15254590,15296756,15949881,181784,19299545,20012200C,20012200WOD,20837299,20930288,22941806,23282712,25913289,40034,4J0003C,949000,949001,949052,949099,AS2700,AS2708,AS2715,P2204,P2793,P3242,SHO00015
Bestseller No. 9
Rear Air Spring Bags Suspension Kit for Chevy Silverado 1500 2007-2017, for GMC Sierra 1500 2007-2018 (Not 15-18 Denali), Helper Bag Spring Towing 5000 lbs, 2430 W217602430
- Compatible with: for Chevy Silverado 1500 2007-2017; for GMC Sierra 1500 2007-2018🔺(Not 2015-2018 Denali)
- Replace for Part Number: for 2430, for W21-760-2430, for W217602430
- Special Features: Location: Fits Rear Axle, Drilling Required: No, Capacity: 5,000 lbs
- High Performance: The air spring will absorb road shocks and adjust according to different load situations, reducing the frequency of vibration while driving for the desired ride comfort and providing you with a smooth and safe driving experience.
- Warranty: We offer a one-year warranty.
Bestseller No. 10
![TORQUE Air Spring Bag Suspension Kit with Cradle for 2007-2018 GM Silverado Sierra 1500 [up to 5,000 lbs. of Load Leveling Capacity] (Replaces Firestone 2430 Ride-Rite) (TR2430)](https://m.media-amazon.com/images/I/41bf8-okeDL._SL160_.jpg)
TORQUE Air Spring Bag Suspension Kit with Cradle for 2007-2018 GM Silverado Sierra 1500 [up to 5,000 lbs. of Load Leveling Capacity] (Replaces Firestone 2430 Ride-Rite) (TR2430)
- FITMENT - Fits following vehicles (For Rear Only): 2007-2018 Chevrolet Silverado / GMC Sierra 1500
- REPLACE - This air helper spring kit is direct OEM replacement to Firestone Ride Rite W21-760-2430 which is suitable for 2007 - 2018 model Chevrolet Silverado / GMC Sierra 1500 pickup trucks with 2-wheel drive and 4-wheel drive.
- INSTALLMENT - Bolt-on installation with no frame drilling required. You can easily install the air bag kit yourself. The brackets in the kit are No-Drill required. Since the kit comes with all bolts and nuts needed for the installation, you can attach the frames with them. The kit also has an installation manual including all the instructions step by step.
- QUALITY - It is designed to maximize the vehicle's safe load-carrying capacity, stability, ride quality and brake effectiveness. TORQUE air helper springs provide load support through the use of air pressure that can be adjusted for changing loads. They enhance the ride by reducing inter-leaf friction. It helps steering control and braking effectiveness. It softens contact between the axle and the frame to reduce bottoming out.
- INCLUDE - 2pc of air bags, all brackets, installation manual, bolts and nuts you need for installation, inflation valves, elbow fittings, and tubing.
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