Tuff Country 14731 - GM 88-91 1/2 ton Blazer / Sub 4 box kit (systems with rear springs) - Manual

PART NUMBER : 14731
1988 — 1991 CHEVY/GMC
BLAZER & SUBURBAN 1/2 TON
2”, 3” OR 4” FRONT AND REAR SPRING
SUSPENSION SYSTEM
PARTS LIST:
Part
# Description Qty.
5U-6109R 5/8” X 3 1/2” X 9 5/8” Round U-bolts 1
5U-3507R 5/8” X 3” X 7 5/8” Round U-bolts 7
58NW 5/8” High Nuts & Washers 2
MO2360 Front Spring Eye Bushings 4
S10006 Front Spring Eye Sleeves 2
GMSBNB2 Front Spring Eye Bolts 1
GMSBNB3 Rear Spring Eye Bolts 1
GMBLNB Front & Rear Brake Line
Extensions & Hardware 1
LUBE Lube Pack 2
14731INST Instruction Sheet 1
INSTALLATION MANUAL
2”, 3” OR 4” FRONT AND REAR
SPRING SUSPENSION SYSTEM
CHEVY/GMC BLZR/SUBURBAN 1/2 TON
1988 —– 1991
PART # 14731
SJ052102
Congratulations on your selection to purchase a Tuff
Country EZ-Ride Suspension System. We at Tuff
Country are proud to offer a high quality product at the
industries most competitive pricing. Thank you for your
confidence in us, and our product.
Before installation begins, it is the customers/installers
responsibility to make sure that all parts are on hand. If
any parts are missing, please feel free to call one of our
customer service representative @ (800) 288-2190.
Make sure to use locktite on all new and stock hardware
associated with this installation.
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.
Tuff Country EZ-Ride Suspension highly recom-
mends that a qualified and or certified mechanic per-
forms this installation.
If you desire to return your vehicle to stock, it is the
customers responsibility to save all stock hardware.
IMPORTANT CUSTOMER INFORMATION
This vehicles reaction and handling characteristics
may differ from standard cars and/or trucks. Modifi-
cations to improve and/or enhance off road perform-
ance may raise the intended center of gravity. Ex-
treme caution must be utilized when encountering
driving conditions which may cause vehicle imbal-
ance or loss of control. DRIVE SAFELY! Avoid
abrupt maneuvers, such as sudden sharp turns
which could cause a roll over, resulting in serious
injury or death.
It is the customers responsibility to make sure that a
re-torque is performed on all hardware associated
with this suspension system after the first 500 miles
of installation. It is also the customers responsibility
to do a complete re-torque after every 3000 miles or
after every off road use.
After the original installation, Tuff Country EZ-Ride
Suspension also recommends having the alignment
check every 6 months to ensure proper tracking,
proper wear on tires and front end components. Tuff
Country EZ-Ride Suspension take no responsibility
for abuse, improper installation or improper suspen-
sion maintenance.
It is the responsibility of the customer or the me-
chanic to wear safety glasses at all times when per-
forming this installation.
It is the customers/installers responsibility to read
and understand all steps before installation begins.
OEM manual should be used as a reference guide.
The Tuff Country EZ-Ride Suspension product safety
label that is included in your kit box must be in-
stalled inside the cab in plain view of all occupants.
It is the responsibility of the installers to make sure
that the rear view mirror hanger is hung from the
rear view mirror. The rear view mirror hanger has
instructions on proper post installation procedure.