Tuff Country 16085 - GM 2011 Silverado 2500HD 6 box kit - Manual (Page 11)

34. Locate the new passenger side differential relocation
bracket. Also, locate the stock passenger side differential
hardware. Install the new passenger side bracket to the
stock location making sure that the “FP” is the bracket is
towards the front of the vehicle. Secure using the stock
hardware. Do not tighten at this point.
35. With the help from a buddy, carefully lift the front differ-
ential back onto a pair of hydraulic floor jacks and move the
hydraulic floor jacks back underneath the vehicle so that
the front differential can be re-installed.
36. Locate (2) 12 mm unitorque nuts from hardware bag
16085NB3. Locate (2) 7/16” USS flat washers from hard-
ware bag 16085NB2. Also, locate the (2) stock front differ-
ential bolts. Working on the driver side, secure the front dif-
ferential to the newly installed driver side bracket using the
stock bolts, new washers and new 12 mm nuts into the
front (2) holes. Do not tighten at this point.
37. Locate (1) 12 mm x 40 mm bolt from hardware bag
16085NB3. Locate (1) 7/16” USS flat washer from hard-
ware bag 16085NB2. Working on the driver side, secure
the front differential to the newly installed driver side brack-
et using the new 12 mm bolt and 4/16” USS flat washer into
the rear hole. Do not tighten at this point.
38. Locate (2) 1/2” x 1 1/2” bolts, (4) 7/16” USS flat wash-
ers and (2) 1/2” unitorque nuts from hardware bag
16085NB2. Working on the passenger side, secure the
front differential to the newly installed passenger side
bracket using
the new 1/2”
x 1 1/2” bolts
and hard-
ware. Do not
tighten at
this point.