1. Welcome To GMTruckClub.com!

    The #1 Chevy Truck Forum Online
    Online since 2004, we are the #1 Chevy Truck & SUV forum and user community. If you have any questions about your Chevy or GMC Truck, SUV or Crossover, or just want to connect with other GM owners and enthusiasts around the world, you've found the best place on the internet to do that.

    Join Today ~ It's Free
    Registering is Free and Easy! Hope to see you on the forums soon!

gears how to tell what ones?

Discussion in 'GM Powertrain' started by jjjg_02, Dec 25, 2009.

Newest Gallery Photos

  1. jjjg_02

    jjjg_02 New Member

    how do i find out what gears in my truck i looked on the door but it wasnt there. is it in the vin or something? the truck is a 03 2500hd 6.0
  2. azdrtdog

    azdrtdog Epic Member 5+ Years 100 Posts

    does the rear diff cover have a tag
  3. MrShorty

    MrShorty Epic Member Staff Member 5+ Years 1000 Posts

    RPO code list in the glove box (assuming you can be certain it still has the factory installed ratio).

Share This Page