Tuff Country 55900 - Toyota Tundra 99-04 4.5 kit - Manual (Page 7)

33. Locate (2) 1/2” x 1 1/4” bolts, (4) 7/16” USS flat washers,
and (2) 1/2” unitorque nuts from hardware bag 55900NB1.
Working on the driver side, secure the new driver side differ-
ential drop bracket to the inside of the tab that is welded to
the newly installed one piece sub frame and secure using
the new 1/2” x 1 1/4” bolt and hardware. Do not tighten at
this point. Repeat procedure on the passenger side.
Special note: The new driver and passenger side differ-
ential drop brackets will be installed to the inside tabs
that are welded onto the one piece lower sub frame.
34. Locate the TOYRACK-02. Also, locate (2) 1/2” x 1 1/2”
bolts, (4) 7/16” USS flat washers and (2) 1/2” unitorque nuts
from hardware bag 55900NB1. Install the TOYRACK-02 to
the rear portion of the newly installed one piece sub frame
and secure using the new 1/2” hardware. Special note:
make sure to install the bracket with the weld on the
threaded spud is towards the ground. Do not tighten at
this point.
35. Locate (1) 12 mm lock washer and (1) 12 mm fine uni-
torque nut from hardware bag 55900NB1. Working on the
rear portion of the newly installed one piece sub frame,
secure the stock stud that comes out of the rear part of the
front differential to the newly installed one piece sub frame
with the new 12 mm hardware. Make sure to use loctite and
torque to 45 ft lbs.
36. Now that the differential is attached to the one piece
lower sub frame, the tie down strap can be removed.
37. Move back to the new 3/4” hardware that connects the
newly installed one piece sub frame to the front lower control
arm mounting points and add some loctite and torque to 135
ft. lbs.
38. Move back to the stock hardware that connects the new
driver and passenger side differential drop brackets to the
front cross member and differential and add some loctite and
torque all stock bolts to 85 ft. lbs.
39. Move back to the new 1/2” hardware that connects the
new driver and passenger side differential drop brackets to
the newly installed one piece sub frame and add some loc-
tite and torque to 85 ft. lbs.
40. Working on the driver side, install the stock lower control
arm into the newly installed one piece sub frame and secure
using the stock cam bolts. Center the stock cam bolt and
torque 120 ft lbs. Repeat procedure on the passenger side.