Tundra 2007 TR2050U DROP manual 4 26 2008

Tundra 2007 TR2050U DROP manual 4 26 2008
Page 12
PARTS INCLUDED I N KIT
Front Coil Spring Perch,
Sleeve and Bump Stops
Tundra Racing
LOWERING KIT
INSTALLATION MANUAL
Leaf Spring Shackle
and Hardware
Axle Perches
Top & Bottom Pl ates
U-Bolts and lock nuts
Rear Bump Stops
(Crew Max / D-cab only)
Shock Bushi ngs
and Washers
* Remember to keep O.E. parts in case you
want to return vehicle to stock height.
2007-10 Toyota Tundra
2wd & 4x4
Part #TR-2040 & TR-2050
Reg Cab, Double Cab & Crewmax
Front
All Models
2”
Rear
4” / 4.5”/ 5”
Tundra Racing LLC
2243 W. 24th St.
Panama City, FL 32405
850-769-3465
TundraRacing.com
Page 2
Table of Contents
Page 11
Notes
Table of contents / Technical Support
2
Precautions / Warranty
3
Recommend ed Tools / Kit Options
4
Installing the Rear Lowering kit:
5/6
Rear Shock Installation
Installing the Front Lowering Kit
SPEED OF SOUND
7
8 / 9 / 10
Parts List / Photos
12
Top Plate Assembly Drawing
13
Thank you for purchasing the Tundra Racing lowering
kit for your Toyota Tundra. We take pride in the design
and manufacture of all our products. If you have any
questions or comments, regarding this or any TR product, please feel free to contact us.
Please read the entire manual prior
to starting this installation.
Technical sup port:
Phone: 850-769-3465
Fax: 850-215-1529
Email: [email protected]
Note: Carefully inspect fitment of all parts to
ensure vehicle manufacturer has not changed
dimensions. Please contact us prior to any
modifications not shown in this manual.
Step 4: Install the front lowering kit
Page 10
Page 3
Safety Notice
¨
NOTE : If your Tundra is equipped with the
TRD Off road package. You will need to
install the small gold sleeve over the shock
first.
· Improper handling of a vehicle, especially while raised and supported by jack stands, ramps or other mechanical means can
cause serious bodily injury or even death. It is strongly recommended that a trained, experienced mechanic, with proper
Mix up a pack of urethane epoxy & place a
small amount on the sleeve where the spring
perch rests.
¨
Install the spring perch.
¨
Use the remaining epoxy on the 45 degree
surface of the shock where the sleeve will
seat.
¨
Install the sleeve.
¨
Slide spring onto shock assembly, being
sure spring is properly seated.
¨
Reassemble Shock assembly.
¨
Slide shock/spring assembly into upper
spring mount. Hand tighten all of the nuts.
¨
Pushing down on the control arm install the
lower mount bolt, nut and washer.
Hand tighten at this time.
¨
Reinstall the sway bar end links.
¨
Tighten all fasteners at this time.
¨
Reinstall and torque wheels to factory specifications.
* Remember to keep O.E. parts in case you
want to return vehicle to stock height.
equipment, install the lowering kit .
· TR assumes no liability expressed or implied for the improper
installation or use of this product or its components.
Liability
Performance driving is dangerous. Products used for such applications are subject
to stresses and conditions outside of normal use. No representation is made to the
product’s ability to protect the user from injury or death. Tundra Racing, LLC. (TR)
is NOT responsible for any damage resulting in equipment failure after installation.
The user assumes all risk TR is not liable for labor charges or loss of use.
Warranty
Tundra Racing LLC (TR) warrants your new parts to the original purchaser for 90
days from the date of purchase, on the vehicle on which it is installed. If professionally installed by a certified ASE installer, the product warranty is for 1 (one) year
from date of purchase. There is no expressed or implied warranty on the installation. If your part fails due to defect or poor workmanship during the warranty period
TR will send you a replacement part at no charge. This warranty does not cover
OEM components. There is no other express warranty and this warranty supersedes all other warranties. TR nor any retailer or representative thereof shall not be
liable for incidental, consequential, or special damages arising out of or in connection with product use or performance except as might otherwise be accorded by
law (which varies from state to state). This warranty gives specific legal rights. You
may also have other rights, which vary from state to state.
Recommended Tools
1/2” Drive Metric Socket Set
Torque wrench capable 10-90 ft/lb setting
Non-marring mallet
Spring compressor
Safety glasses
Hydraulic floor jack and safety stands
or automotive lift
2) 4” C-Clamps
Page 4
Kit Options
TR-4060 Mounting Kit $129
Required for installation of a TRD Rear
sway bar kit on a lowered Tundra
NOTE: The installation of this kit will REQUIRE new
rear shocks. Most O.E. or aftermarket 2006
Double Cab rear shocks will work. We offer the
Tokico Performance shocks shown below.*
TRD Sport /Tokico
Rear Shocks
Price: $149.00 pair
Page 9
¨
Remove bottom shock mount nut . Leave bolt
in place for now.
¨
Remove the four top shock mounting nuts.
* Note do not remove the center nut
from shock assembly
¨
Push down on the lower control arm and remove lower shock bolt. You must hold the
shock while removing bolt.
¨
Remove shock, by sliding out in front of the
lower control arm. Pushing down on a pry bar
will add enough leverage to remove the bottom of the shock from the mount.
Note: This may require 2 people.
¨
Using a spring compressor, take the preload off the spring assembly.
¨
Remove the shock from the shock top
mount by removing the center nut.
¨
Using a rubber mallet, remove the stock
spring perch.*
¨
Remove 4 OE bump stops* and install the new
urethane bump stops.
Tokico Shock part number
48531-09260
NOTE: If this kit is installed on a
TRD OFFROADTUNDRA with yellow
Bilstein shocks , front shock
sleeves are required .
TR-4062 Shock Sleeves $39.95
These rear shocks are available
Tokio Short Rear Shock - Part # 48531-A9130 $99
Page 5
Page 8
Installation of Front Lowering Kit
Installation of Rear Lowering Kit
Always Wear Safety glasses
Always Wear Safety glasses and Gloves
Step 1: Raise vehicle
·
·
·
·
Break loose (do not remove) the lug nuts on both front wheels
before raising the truck.
Refer to the Owners Manual for the correct lift points.
Using an automotive lift, raise the vehicle and secure.
If you do not have access to an automotive lift, a floor jack
and jacks stands can be used. This must be done on a level
concrete surface. (Be sure to chock the rear wheels and
engage the parking brake.)
NEVER LEAVE ANY VEHICLE SUPPORTED WITH
ONLY A JACK, ALWAYS USE JACK STANDS
STEP 2: Remove front wheels
¨
After securing the vehicle at a convenient height, remove the
front wheels.
STEP 3: Disassemble front sway bar end links
¨
Remove driver and passenger side
nut, washer and end link bushing.
Step 1: Raise vehicle
· Break loose (do not remove) the lug nuts on both rear wheels
before raising the truck.
· Refer to the Tundra Owners Manual for the correct lift points.
· Using an automotive lift, raise the vehicle and secure.
Note: If you do not have access to an automotive lift, a floor jacks and four
jack stands can be used. Be sure to chock the front wheels and engage the
parking brake. This must be done on a level concrete surface.
NEVER LEAVE ANY VEHICLE SUPPORTED WITH
ONLY A JACK, ALWAYS USE JACK STANDS
Step 2: Remove rear tires & spare..
Step 3: Support the rear axle & drive shaft to prevent
axle housing from rolling forward.
Step 4: Remove rear shocks & retain top washers.*
Step 5: Remove stock u-bolt hardware and save washers to reuse.*
Note: Crew Max & Double Cab only - Loosen the
intermediate drive shaft carrier bearing support to
allow carrier bearing to move forward.
Step 6: Remove leaf springs and raise rear axle 4”.
Caution: Brake hoses from frame to axle housing should not be
stretched.
Step 7: Clamp leaf spring pack as shown and reverse the pin so the nut will be on the bottom.
Step 8: Re-Install leaf springs using new TR
Shackle. We suggest starting with the
center hole. Each hole equals approximately 1/2” drop. * Due to many factors
your results may vary.
Torque the shackle nuts to 30 lbs.
* Remember to keep O.E. parts in case you
want to return vehicle to stock height.
Step 9: Check exhaust tailpipe clearance to new
leaf spring location and modify hanger /
tailpipe if necessary.
Near Level
* Remember to keep O.E. parts in case you
want to return vehicle to stock height.
Page 6
Step 10: Install the TR axle components (including O.E.
washers) as shown in photo below.
Note: long U-bolts are used behind axle
Standard Cab - Use the OE bump stop.
Double Cab / Crew Max - Use the supplied bump stops & washers
Be sure the rear axle is level & centered at this time.
Tighten U-bolts and adjust as needed.
Note: Do not allow tailpipe to touch the leafspring during this step.
Torque U-Bolts to 60 ft/lbs.
Note: Double Cab & Crew Max Only - Tighten the
intermediate drive shaft carrier bearing support.
Note
Top and Bottom Plates
have a notch that should
be positioned towards the
rear of the vehicle.
(Bottom plate notch not
visible in photo.)
Reuse O.E. washers
Page 7
Rear Shock Installation
Step 11: Install NEW shocks as shown below.
Remove O.E. Shocks - Retain top and bottom washers
for use with new shock installation.
Install O.E. washer with larger
inside diameter on the shock
with the concave side up.
Install first urethane bushing
with smaller diameter portion
up.
Insert threaded shock stud
through upper shock mounting
hole in frame.
Install second urethane bushing with smaller diameter portion down.
Install O.E. washer with
smaller inside diameter on the
shock with the concave side
down.
Upper shock mounting hole in
frame is sandwiched between
two urethane bushings.
Tighten nut to hold in place.
Test Drive vehicle at safe speed &
make any necessar y adjustments.
Re-torque U-bolts after 100 miles.
Note: Bottom shock mount is
slightly wider than replacement shock - use provided
washers to fill space and
torque to 30 ft/lbs.
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