Yukon XL 4WD V8-6.0L (2007)
1. Install the brake caliper on to the mounting bracket.
2. Perform the following procedure before installing the brake caliper guide pin bolts.
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with brake parts cleaner or the equivalent and allow to dry.
3. Apply Threadlocker GM P/N 12345493 (Canadian P/N 10953488) to the threads of the bolt.