Sierra 1500 2WD V8-6.0L Hybrid (2010)
11. For both the 1500 and 2500 series, perform the following steps prior to installing the crossbar bolts:
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolts with denatured alcohol or equivalent and allow to dry.
3. Apply threadlock GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the bolt threads.
12. For 2500 series vehicles, install the crossbar and crossbar bolts/nuts.
Tighten the nuts to 120 Nm (89 lb ft).
13. For 1500 series vehicles, install the crossbar and crossbar bolts/nuts.
Tighten the nuts to 100 Nm (74 lb ft).
