Tuff Country 14830 - GM 92-98 Suburban K1500 4 User Manual
Page 7
 
hardware that was removed from step # 3 and the new 
shock boots. Install the new shock boots onto the new 
shocks. Insert the new poly shock bushings and sleeves 
into the upper eyelet of the new shocks. Special Note: 
Shocks are not included with this suspension 
system, shocks need to be ordered as a separate 
part number, Tuff Country EZ — Ride Suspension 
recommends using a 23” fully extended nitrogen gas 
shock. Make sure to use a lithium or moly base 
grease prior to inserting the new bushings into the 
new shock. This will increase the life of the bushing 
as well as prevent squeaking. Install the lower shock 
bushing and sleeve into the lower eyelet of the new 
shock. Special Note: Make sure to use a lithium or 
moly base grease prior to inserting the new bushings 
into the new shock. This will increase the life of the 
bushing as well as prevent squeaking. Working on the 
driver side, install the new shock into the stock location 
and secure using the stock hardware. Torque the upper 
and lower stock hardware to 70 ft lbs. Repeat procedure 
on passenger side. 
 
63. Locate the stock inner rubber fender splash guards 
that were removed from step # 2. Working on the driver 
side, re-install the inner rubber fender splash guard. 
Repeat procedure on the passenger side. 
 
64. Re-install the tires and wheels and carefully lower the 
vehicle to the ground. 
 
65. Check and double check to make sure that all steps 
were performed properly. Check and double check to 
make sure that all new and stock hardware has been 
torque to proper torque specifications. Refer to the torque 
specification sheet at the end of the installation manual. 
 
66. Carefully lower the vehicle to the ground. 
 
67. An exhaust modification is required once the 
suspension system has been completed. After the rear 
end installation is complete take the vehicle directly to a 
muffler shop and have the exhaust modification 
performed. Once the exhaust modification has been 
performed re-install the stock front drive line back into the 
stock location using the stock hardware that was 
removed from step # 5. Torque to 35 ft lbs. 
Congratulation, Front End Installation Complete! 
 
Rear End Installation: 
 
68. To begin installation, block the front tires of the 
vehicle so that the vehicle is stable and can’t roll forward. 
Safely lift the rear of the vehicle and support the frame 
with a pair of jack stands. Place a jack stand on both the 
driver and passenger side. Next remove the wheels and 
tires from both sides. 
 
69. Locate (1) rear brake line extending bracket, (1) 5/16” 
x 1 1/4” bolt, (2) 5/16” flat washers, (1) 5/16” unitorque 
nut and (1) 5/16” lock washer. Remove the stock brake 
line bracket from the rear differential and save stock bolt 
for later re-installation. Secure the new brake line bracket 
to the rear differential housing using the stock bolt. 
Special Note: Make sure to use thread locker or lock 
tite. Next, attach the stock brake line bracket to the newly 
installed brake line bracket and secure using the new 
5/16” x 1 1/4” bolt and hardware. Torque to 16 ft. lbs. 
See Illustration # 23
70. Position a pair of hydraulic floor jacks under the rear 
axle. Place one jack stand on the driver side and one on 
the passenger side. Raise up on both hydraulic floor 
jacks at the same time until they make contact with the 
rear axle. 
 
71. Working on the driver side, remove the stock shock 
and save the stock hardware for later re-installation. 
Longer shocks are needed, so the stock shocks may be 
discarded. Special Note: Shocks are not included with 
this suspension system, shocks need to be ordered 
as a separate part number, Tuff Country EZ-Ride 
Suspension recommends using a 30” fully extended 
nitrogen gas shocks. Repeat procedure on passenger 
side. 
 
72. Working on the driver side, remove the stock sway 
bar end links for the stock upper and lower location. Save 
the stock hardware. The stock end link may be 
discarded. Repeat procedure on the passenger side. 
 
73. Working on the driver side, remove the (2) stock rear 
U-bolts and discard. Set the upper and lower U-bolt 
plates a side for later re-installation. Repeat procedure on 
passenger side 
 
74. Lower down on both hydraulic floor jacks at the same 
time until the stock springs separate from the stock rear 
axle. Lower down approximately 4”. Special Note: Make 
sure not to over extended any brake lines or hoses 
when lowering axle. 
 
75. 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 # 24
76. 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. 
 
77. 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 # 73. Working on the driver side, 
install (2) new 9/16” x 2 3/4” x 12 5/8” square U-bolts into