2005 Sierra 1500 SLT

[TravisU]

On my GMC Sierra im lookeng to change the rear differential fluid but cant find the drain plug at all. Has anyone done it themselves?

 

[Molson02536]

On my GMC Sierra im lookeng to change the rear differential fluid but cant find the drain plug at all. Has anyone done it themselves?

There is no drain plug, your going to have to remove the rear differential cover to drain the rear end. Once off, clean surface and use silicon gasket maker to ensure a tight seal.

Good luck and keep us posted on your project.