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Showing results for tags 'Fluid change'.
Hey guys, I have a 2020 Silverado 3.0l Duramax. I'm looking for the gm filling procedure. I wasn't able to find it and was going to try a local dealership for it if this doesn't pan out. I know the temp needs to be brought up and gears cycled through, but I was hoping for an official document for it. If anyone has it I'd appreciate it.