1. Welcome to PlowSite. Notice a fresh look and new features? It’s now easier to share photos and videos, find popular topics fast, and enjoy expanded user profiles. If you have any questions, click HELP at the top or bottom of any page, or send an email to help@plowsite.com. We welcome your feedback.

    Dismiss Notice

04- z71

Discussion in 'Chevy Trucks' started by wirenut, Dec 6, 2011.

  1. wirenut

    wirenut Senior Member
    from nh
    Messages: 529

    what should i run for oil in front and rear diffs.
  2. White Duramax

    White Duramax Junior Member
    Messages: 13

    Look in your owners manual for sure but should be 80w90 in the front and 75w90 synthetic in the rear.