Install hitch – Loosely install (6) factory M15 bolts as shown in Figure 1. Apply blue thread locker to threads of all bolts. Install factory flat washers
2b.
and hex nuts onto factory bolts, (6) places.
3. Torque fasteners - Tighten all factory M15 fasteners with torque wrench to 148 Lb.-Ft. (201 N*M)
Proper torque is needed to keep the hitch secure to the vehicle when towing.