Crossmember Replacement (K2500 Series)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Lower Control Arm Crossmember, Front Crossmember Bolts & Nuts

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedure Raise the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the front differential shield. Refer to Shield Replacement .
1	Engine Front Crossmember Nut (Qty: 4) NOTE: Refer to Fastener Notice . Tighten: 120 N.m (89 lb ft)
2	Engine Front Crossmember Bolt (Qty: 4) Tip: Remove all traces of the original adhesive patch. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).
3	Lower Control Arm Crossmember