Download How to Install Suspension lift on 03-08 GM Hummer H2 – FRONT INSTALLATION: 1.With vehicle on flat level ground set the emergency brake and block the rear tires. Place floor jack under the lower control arm’s front cross member and raise vehicle. Place jack stands under frame rails, behind the front wheel wells and lower the frame onto the stands. 2. Remove the front factory skid plate located in front of and under the front differential using 15mm socket. (See Photo #1). Remove the transmission guard located between the rear cross member and transmission cross member using a 15mm socket. (See Photo #2). 3. It will be necessary to remove the heat shield located behind the torsion bar cross member to allow access to passenger side torsion bar. Remove using 15mm socket. (See Photo #3) Locate the torsion bar adjuster bolt on the bottom of the rear cross member, measure and record the length of the torsion bar adjusting bolt that is exposed below the nut, and remove the torsion bar adjusting bolt. Apply a small amount of lubricating grease to the puller threads and the puller shaft-to-adjuster arm contact point. Position puller and load adjuster arm until the adjuster nut can be removed from the cross member.