2019-2024 Sierra/Silverado: Rear Differential Service

How to change the rear differential oil on a 2019-2023 GM 1500 chassis. There are two production options (RPO's), SU7 and SU8. The SU7 is manufactured for GM by American Axles & Manufacturing (AAM), while the SU8 is produced by GM. This video showcases the service procedure while highlighting differences in axle identification, part numbers, fluid types, and capacities. Visit https://www.masterjacks.com/videos/2019-2023-sierra%2Fsilverado%3A-rear-differential-service for links to parts and tools on Amazon. Amazon Affiliate Links AAM/SU7 Rear Axle (most common) Gasket 22943110 (AAM/SU7) https://amzn.to/44mNIY5 75W-85 10-4091 (AAM/SU7) https://amzn.to/3nreZI2 GM/SU8 Rear Axle Gasket 84412728 (GM/SU8) not currently available on Amazon 75W-85 10-4122 (GM/SU8) not currently available on Amazon Blue Thread Locker https://amzn.to/3VsNvhP Bottle Pump https://amzn.to/3HEwEmB Brakleen https://amzn.to/3ntSQZG Oil Can https://amzn.to/44uQnyI Quality Torque Wrench https://amzn.to/3NFBJib Support the channel, buy Merch https://masterjacks.myspreadshop.com/ The service procedure is the same for several models and years, including; Sierra, Silverado, Yukon, Tahoe, Suburban, Denali, and Escalade. 2019, 2020, 2021, 2022, 2023,2024. CHAPTERS 0:00 Axle Identification 0:30 Fluid level & condition check 0:50 Drain & Clean 1:47 Threadlocker & Install 2:30 Fluid Type & Capacity 2:58 Final Level Check