Tuff Country 14840 - GM 94-98 Tahoe 4-door K1500 4 - Manual (Page 8)

78. Locate (2) new 4” lifted rear blocks. Working on the
driver side, install (1) new 4” lifted block between the
stock rear axle and the stock spring assembly. Special
Note: The new 4” lifted block has a slight taper to it,
the small end of the new block needs to be installed
with the small end towards the front of the vehicle.
Repeat procedure on passenger side.
See Illustration # 25
79. Raise up on both hydraulic floor jacks at the same
time until the driver and passenger side stock spring
assembly seats flush with newly installed 4” block.
80. Locate (4) new 9/16” x 2 3/4” x 12 5/8” Square U-
bolts, (8) 9/16” U-bolt high nuts, (8) 9/16” U-bolt washers
and the stock upper and lower U-bolt plates that were
removed from step # 76. Working on the driver side,
install (2) new 9/16” x 2 3/4” x 12 5/8” square U-bolts into
the stock location and secure using the new 9/16” high
nuts and washers. Torque to 120 ft lbs. Repeat
procedure on passenger side.
See Illustration # 25
81. Working on the driver side, install the new rear
shocks absorbers using the stock hardware removed
from step # 74. Locate the new rear upper clevis
mount and install the new clevis mount into the
upper eyelet of the rear shock before installation.
Repeat procedure on passenger side.
82. Locate (2) new rear sway bar end links and the new
rear sway bar poly bushings and sleeves. Install the new
poly bushings and sleeves into each end of the new rear
sway bar end link. Special Note: Make sure to use a
lithium or moly base grease prior to inserting the new
bushings and sleeves into the new rear sway bar end
links. This will increase the life of the bushing as well
as prevent squeaking.
83. Locate the stock rear sway bar end link hardware that
was removed from step # 75. Working on the driver side,
install the new rear sway bar end link into the stock upper
and lower location. Secure using the stock hardware.
Torque to 65 ft lbs. Make sure to use thread locker or
lock tite. Repeat procedure on the passenger side.
Special Note: If you are not able to install the rear
sway bar end links into the stock position, this step
may need to be performed once the weight of the
vehicle is on the ground.
See Illustration # 26
84. Check and double check to make sure that all step
related with the front and rear end were performed
properly. Check and double check to make sure that all
stock and new hardware is torque to proper torque
specifications. Refer to the torque specification sheet at
the end of the installation manual.
85. Install the tire wheels and safely lower the vehicle to
the ground.
86. If you were not able to perform step # 83. Perform
this step once the weight of the vehicle is on the ground.
CONGRATULATIONS INSTALLATION COMPLETE
SPECIAL NOTE: AN EXHAUST
MODIFICATION IS NEEDED. ALSO A FRONT
END ALIGNMENT IS REQUIRED
ONCE THE EXHAUST MODIFICATION HAS
BEEN PERFORMED REPLACE THE STOCK
FRONT DRIVE LINE BACK INTO THE STOCK
LOCATION AND SECURE USING THE
STOCK HARDWARE THAT WAS REMOVED
IN STEP # 4
IF YOU HAVE ANY QUESTION AND OR
CONCERS ABOUT THE INSTALLATION
PLEASE FEEL FREE TO CONTACT TUFF
COUNTRY
Torque Settings
5/16” 15—18 ft lbs.
3/8” 28—32 ft lbs.
7/16” 30—35 ft lbs.
1/2” 65—85 ft lbs.
9/16” 85—120 ft lbs.
5/8” 95—130 ft lbs.
3/4” 100—140 ft lbs.
Special Post Installation Procedure: Once the new
Suspension System has been installed. Check the
fluid level in the front differential. Top off the fluid
with proper differential fluid. On occasion customer
may find burping of fluid coming out of the front vent
tube.