Sierra 1500 4WD V8-6.0L VIN U (2006)
10. For the 1500 models (except 1500 HD), assemble the bolts and the support plate to the base of the J-36652-01 and secure the base in a vise.
11. For the 1500 HD, 2500, 3500, and HUMMER H2 models, assemble the bolts and the support plate to the base of the J 36652-98 and secure the
base in a vise.