Tuff Country 16990 - GM 2001-06 HD 3500 6 kit - Manual

Part # 16990
2000 — 2006 Chevy or GMC 3500
6” Suspension system
Parts contained in Box 1 of 3
Part
# Description Qty.
16985-04 One piece lower sub frame 1
16985-12 Lateral compression arms 2
16985NB Hardware box 1
Parts contained in Box 2 of 3
Part
# Description Qty.
HDDIFF-01 DS differential relocation bracket 1
16985-07 PS differential relocation bracket 1
TBD99-01 Torsion bar cross member
relocation brackets 2
16985-10 Rear carrier bearing relocation bracket 1
16985-11 Lateral compression arm mounts 2
22SW 2” x 2” square washers 8
BL402 Rear lifted blocks 2
5U-9297S 5/8” x 2 3/4” x 16 1/2” square u-bolt 4
58NW Hardware bag 1
16985PL Hardware bag 1
16985SL Hardware bag 1
9802 CV axle spacers 2
S10120 DS spacer sleeve 1
SHOCKTIE Shock ties 10
DECAL Window sticker 1
16990INST Instruction sheet (customer copy) 1
16990INST instruction sheet (installer copy) 1
MIRRORHANGER Rear view mirror hanger 1
WARNIGNDECAL Warning decal 1
Parts contained in Box 3 of 3
Part
# Description Qty.
16985-01M Driver side knuckle 1
16985-02M Passenger side knuckle 1
Congratulations on your selection to purchase a Tuff
Country EZ-Ride Suspension System. We at Tuff
Country EZ-Ride Suspension are proud to offer a
high quality product at the industries most
competitive pricing. Thank you for your confidence
in us and our product.
For a list of all parts, please refer to the Parts
Description Page, at the end of the Installation
Manual.
The Tuff Country EZ-Ride Suspension product safety
label that is included in your kit box must be
installed inside the cab in plain view of all
occupants.
Important customer information
Tuff Country EZ-Ride Suspension highly
recommends that a qualified or a certified mechanic
performs this installation.
If you desire to return your vehicle to stock, it is the
customers responsibility to save all stock hardware.
It is the responsibility of the customer or the
mechanic to wear safety glasses at all times when
performing 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.
This vehicles reaction and handling characteristics
may differ from standard cars and/or trucks.
Modifications to improve and/or enhance off road
performance may raise the intended center of
gravity. Extreme caution must be utilized when
encountering driving conditions which may cause
vehicle imbalance 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 100 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
checked every 6 months to ensure proper tracking,
proper wear on tires and front end components. Tuff
Country EZ-Ride Suspension takes no responsibility
for abuse, improper installation or improper
suspension maintenance.
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.
Make sure to use thread locker or locktite on all new
and stock hardware associated with the installation
of this suspension system.
Installation manual
6” Suspension system
2000 — 2006 Chevy or GMC 3500
PART # 16990
sj051106rev.02