How to service the cooling system on a 2019-2024 GM 4th Generation pickup or SUV. Capacities indicated in the video are for the 5.3L, however, the overall process is the same for the 6.2L. Video showcases the drain, chemical flush, fill & level, and protection range verification. System capacity for the 5.3L is 3.45 gallons of DEXCOOL antifreeze/coolant. 2019, 2020, 2021, 2022, 2023, 2024 GMC Sierra, Yukon, Chevy Silverado, Tahoe, Suburban, and Escalade.

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Amazon Affiliate Links
Dexcool https://amzn.to/4aE6g7O (concentrate)
Chemical Flush Treatment https://amzn.to/4bTYwj9
Coolant/Antifreeze Tester https://amzn.to/3pQ4XBi
3/8" ID Clear Tubing https://amzn.to/3IIFiB9
Coolant Drain Pan https://amzn.to/3EMdPNF

CHAPTERS
0:00 Coolant Drain
1:01 Flush Cycles
2:55 Fill, Ratio, & Capacity
5:50 Engine Wash
6:05 Verifying Protection Range