NHTSA ID Number: 10222670
Manufacturer Communication Number: 22-NA-184
Summary
This informational bulletin advises the technician of possibly installing the incorrect 1-2-7-8-R clutch fluid passage seal and which seal should be used with measurements of the seal.
Condition
Technician’s may find a no movement condition after replacement of the valve body on the 8L45 or 8L90 automatic transmission.
Cause
This may be due to the incorrect 1-2-7-8-R clutch fluid passage seal being installed or it is missing.
Correction
Technician should remove the transmission valve body and inspect for the 1-2-7-8-R clutch fluid passage seal to be installed correctly.
If the 1-2-7-8-R clutch fluid passage seal was installed during the valve body, then the technician will need to measure the length of the seal to make sure the correct seal was installed.
The 8L45 seal part number is 24262438 and the seal has no ID notches. This seal is 33.5 MM (1,32 in) tall.
The 8L90 seal part number is 24259218 and the seal has 5 ID notches. This seal is 23.1 MM (0.91 in) tall.
88 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CADILLAC | ATS | 2016-2019 |
| CADILLAC | ATS-V | 2016-2018 |
| CADILLAC | CT4 | 2020-2022 |
| CADILLAC | CT6 | 2016-2018 |
| CADILLAC | CTS | 2016-2019 |
| CADILLAC | CTS-V | 2016, 2018 |
| CADILLAC | ESCALADE | 2015-2017 |
| CADILLAC | ESCALADE ESV | 2015-2017 |
| CHEVROLET | CAMARO | 2016-2022 |
| CHEVROLET | COLORADO | 2017-2022 |
| CHEVROLET | CORVETTE | 2015-2019 |
| CHEVROLET | EXPRESS | 2017-2022 |
| CHEVROLET | SILVERADO 1500 | 2015-2022 |
| CHEVROLET | SUBURBAN | 2015-2017 |
| GMC | CANYON | 2017-2022 |
| GMC | SAVANA | 2017-2022 |
| GMC | SAVANA 1500 | 2017 |
| GMC | SAVANA 2500 | 2017-2018 |
| GMC | SAVANA 3500 | 2017-2018 |
| GMC | SIERRA 1500 | 2015-2022 |
| GMC | YUKON DENALI | 2015-2017 |
1 Associated Document
Manufacturer Communications
Bulletin No.: 22-NA-184
Date: September, 2022
- Exceeds OEM specs Dexron ULV, Mercon ULV, Mercedes Benz 236.17, Nissan Matic P, JATCO 9 Speed, BMW 83-22-2-413-477 ATF 7 and many other ULV application - Silverado, Escalade, Yukon, Tahoe, Suburban, Escalade, BMWs, Ford Mustang, Ford Super Duty F250, F350, F-550, Raptor, Lincon, Ford Explorer, Navigator, GMC Sierra, Chevrolet Camaro SS, BMW / Mini
- EXCEPTIONALLY SMOOTH SHIFTING:: Delivers ultra-smooth shifting, long-term stability, high shear and oxidation stability, and eliminates shudder, slipping, or gear sticking even under severe loads such a towing or hauling - EXTENDED DRAIN: Long drain intervals of up to 100,000 miles+ for standard driving and 70,000 miles for heavy-duty applications
- TRUE ALL SEASON - ALL SERVICE: Engineered for extreme conditions with a pour point down to -50°F, very high thermal stability for hot weather and high film strength for continuous severe service use like towing, hauling in modern trucks.
- GM 10L80/10L90, Escalade (2021+ with 10L80), CT6 3.0TT and 4.2TT (2019+ with 10L80), Silverado 1500 (2019+ with 10L80), Camaro SS / ZL1 (2017+ with 10L80/90), Tahoe and Suburban (2021+ with 10-speed), Sierra 1500 (2019+ with 10L80), and Yukon and Yukon XL with 10 speed transmissions
- Helps enhance transmission cooling function
- Designed to protect metal surfaces from wea
- Formulated to condition gaskets
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
.
- Meets and exceeds DEXRON ULV & MERCON ULV Specs -Formulated to meet OEM specifications for modern Ford and GM 10-speed transmissions requiring ultra-low viscosity ATF like DEXRON ULV and MERCON ULV.
- Enhanced with FR3 Friction Reducer - Features our proprietary FR3 for smoother gear shifts, reduced wear, and improved thermal stability—delivering superior transmission performance.
- Professional Grade, DIY Ready - Perfect for shops and advanced DIYers. Compatible with most ATF fluid exchange systems and transmission service kits. Always consult your vehicle's manual for correct specification.
- Maximum Performance - GREEN DIAMOND ULV ATF also provides increased oxidation and thermal stability, deposit and sludge prevention, reduced breakdown, longer drain intervals and higher wear resistance than our competitors.
- Compatible With Ford & GM 10-Speed Vehicles - Designed for use in vehicles requiring ULV ATF including Ford F-150, Expedition, and GM Silverado, Sierra, Tahoe with 10L80, 10R80, or 10-speed automatic transmissions.
- Formulated with premium synthetic base oils to achieve low viscosity and minimize deposits
- Provides excellent thermal and oxidation performance
- Durable friction modifiers help prevent shudder
- Advanced anti-wear technology to better prevent gear wear
SEOCONTENT-START
Copyright 2022 General Motors
LLC. All Rights Reserved. Service Bulletin Bulletin No.: 22-NA-184 Date: September, 2022 INFORMATION Subject: Information on 8L45 8L90 Automatic Transmissions With No Movement After Valve Body Replacement This bulletin replaces PIP5784. Please discard PIP5784. Brand: Model: Model Year: VIN: Engine: Transmission: from to From to Cadillac ATS Models 2016 2019 M5N M5T M5U CT4 Models 2020 2022 M5N CT6 2016 2018 M5N M5X CTS Models 2016 2019 M5N M5U Escalade Models 2015 2017 M5U Chevrolet Camaro 2016 2022 M5T M5U Colorado 2017 2022 M5T Corvette 2015 2019 M5U Express 2017 2022 M5U MQD Silverado 2015 2018 M5U M5X Silverado 1500 LD 2019 2019 MQE Silverado 1500 Mew Model 2019 2019 MQE Silverado 1500 2020 2022 MQE Suburban 2015 2017 M5U GMC Canyon 2017 2022 M5T Savana 2017 2022 M5U MQD Sierra 2015 2018 M5U M5X Sierra 1500 Limited 2019 2019 MQE Sierra 1500 New Model 2019 2019 MQE Sierra 1500 2020 2022 MQE Yukon Denali 2015 2017 M5U Page 2 September, 2022 Bulletin No.: 22-NA-184 Involved Region or Country North America, Middle East Condition Technician’s may find a no movement condition after replacement of the valve body on the 8L45 or 8L90 automatic transmission. Cause This may be due to the incorrect 1-2-7-8-R clutch fluid passage seal being installed or it is missing. Correction Technician should remove the transmission valve body and inspect for the 1-2-7-8-R clutch fluid passage seal to be installed correctly. If the 1-2-7-8-R clutch fluid passage seal was installed during the valve body, then the technician will need to measure the length of the seal to make sure the correct seal was installed. The 8L45 seal part number is 24262438 and the seal has no ID notches. This seal is 33.5 MM (1,32 in) tall. The 8L90 seal part number is 24259218 and the seal has 5 ID notches. This seal is 23.1 MM (0.91 in) tall. 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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