Tuff Country 16985 - GM 00-06 K2500 HD 4wd 6 kit - Manual (Page 11)

ential seats properly into the rear portion of the sub frame
and the newly installed driver side differential relocation
bracket can be installed to the front portion of the sub
frame.
46. Locate the driver side front differential mounting hard-
ware. Secure the newly installed front differential relocation
bracket to the front portion of the sub frame. Secure using
the stock hardware. Do not tighten at this point.
47. Install the rear portion of the front differential into the
tab on the newly installed rear cross member. Secure using
the OE hardware. Do not tighten at this point.
48. Locate (2) 5/8” x 4 1/2” bolts, (2) 5/8” x 5 1/2” bolts, (8)
9/16” USS flat washers and (4) 5/8” unitorque nuts from
hardware bag 16985NB5. Working on the driver side,
install the lower control arm into the newly installed front
cross member and secure using the new 5/8” x 4 1/2” bolt
and hardware. Do not tighten at this point. Install the
lower control arm into the newly installed rear cross mem-
ber and secure using the new 5/8” x 5 1/2” bolt and hard-
ware. Do not tighten at this point. Repeat procedure on
the passenger side.
49. Using a hydraulic floor jack, carefully raise up on the
front portion on the newly installed sub frame until it sits
flush with the stock front cross member.
50. Locate (2) 3/8” USS flat washers and (2) 7/16”
unitorque nuts from hardware bag 16985NB2. Working on
the driver side, secure the front portion of the newly
installed sub frame to the stock front cross member using
the new 7/16” x 1 1/2” bolts that were installed earlier and
the new hardware. Torque to 38 ft lbs. Special note:
Make sure to use loctite. Repeat procedure on the pas-
senger side. Carefully remove the hydraulic floor jack from
under the front cross member.
51. Move back to the stock and new hardware that is
attaching the new passenger side differential relocation
bracket to the OE location and the differential and add
some loctite and torque the stock hardware to 75 ft lbs.
and the new 9/16” hardware to 85 ft lbs.
52. Working on the driver side, move back to the hardware
attaching the front portion of the sub frame into the stock
lower control arm pockets and add some loctite and torque
to 105 ft lbs. Repeat procedure on the passenger side.
53. Working on the driver side, move back to the hardware
attaching the rear portion of the sub frame into the stock
lower control arm pockets and add some loctite and torque
to 105 ft lbs. Repeat procedure on the passenger side.