11703110 2007-2013 Silverado Front CoilOvers
Product Information
The product is a CoilOver System designed to replace the factory
shocks and springs of 2007-2013 Silverado HQ. The kit includes
major components such as Upper CoilOver Mount Assembly, Lower
CoilOver Mount Assembly, 4.1 Stroke HQ Series Shock, Shock Eyelet
Assembly, 5/8 ID Bearing, Bearing Snap Ring, Lower Spring Adjuster
Nut, Adjuster Nut Locking Screw, Upper CoilSpring Retaining Plate,
CoilSpring Plate Retaining Ring, Delrin Spring Washer, Coilspring
10 850lb .500 x .365 Shock Bearing Spacers, and hardware listed in
Kit # 99010130.
Product Usage Instructions
- Raise the vehicle and support it by the frame, allowing the
suspension to hang freely. - Remove the shock/spring assembly from both sides of the truck.
If replacing the OEM spindles, remove them at this time. - Assemble the CoilOvers using the instructions provided in the
manual. The Upper and Lower Mounts are not side-specific so they
are the same for both sides of the truck. - Install the CoilOver Assembly on both sides of the truck.
- Adjust the CoilSpring and Shock according to your
preference. - Align the front ride height of your Silverado. Note that the
lower you set the front ride height of your Silverado, the harder
it will be to get an alignment that is within specifications.
Installation Instructions
Part # 11703110 – 2007-2013 Silverado HQ Front CoilOvers
Recommended Tools
2007-2013 Silverado Front CoilOvers
Installation Instructions
Table of contents Page 2-3……… Included Components Page 4………… Disassembly and Getting Started Page 5-6……… Assembling CoilOvers Page 7-8……… Installation of CoilOver Assembly Page 9………… CoilSpring and Shock Adjustment
THIS KIT IS DESIGNED TO REPLACE THE OEM SHOCK/SPRING SETUP.
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REV2 9/15/21
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Installation Instructions
Major Components …..In the box
Item #
1 2 3 4 5 6 7 8 9 10 11 12 13
Part # Description
90001368 90001369 982-10-804 815-05-022-kit 90001994 90001995 803-00-199(kit) 803-00-199(kit) 803-00-199(kit) 803-00-199(kit) 70010828 59100850 90002043
Upper CoilOver Mount Assembly Lower CoilOver Mount Assembly 4.1″ Stroke HQ Series Shock Shock Eyelet Assembly 5/8″ ID Bearing (installed in shock eyelet/body) Bearing Snap Ring (installed in shock eyelet/body) Lower Spring Adjuster Nut Adjuster Nut Locking Screw Upper CoilSpring Retaining Plate CoilSpring Plate Retaining Ring Delrin Spring Washer Coilspring 10″ 850lb .500″ x .365″ Shock Bearing Spacers
HARDWARE LIST Kit # 99010130
QTY Part Number Description
FRONT UPPER SHOCK MOUNT
2
99501064 1/2″-13 x 2 3/4″ Hex Bolt
2
99502001 1/2″-13 Nylok Nut
2
99503001 1/2″ SAE Flat Washer
6
99431023 7/16″-14 x 1 3/4″ Hex Bolt
6
99432010 7/16″-14 Nylok Nut
12 99433005 7/16″ SAE Flat Washer
FRONT LOWER SHOCK MOUNT
2
99501064 1/2″-13 x 2 3/4″ Hex Bolt
2
99502001 1/2″-13 Nylok Nut
2
99503001 1/2″ SAE Flat Washer
4
99371061 3/8″-16 x 2 1/4″ Hex Bolt
4
99372001 3/8″-16 Nylok Nut
8
99373002 3/8″ SAE Flat Washer
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QTY
2 2 2 2 4 8 2 2 2 2 4 2 8
Installation Instructions
Major Components …..In the box
1
1
13
13
11
8
7
3
13
2
3
13
2
12 11
9
4
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Installation Instructions
Alignment Note…..
THE LOWER YOU SET THE FRONT RIDE HEIGHT OF YOUR SILVERADO, THE HARDER IT WILL BE TO GET AN ALIGNMENT THAT IS WITHIN SPECIFICATIONS.
Disassembly
This CoilOver System is Designed to replace the factory Shocks and Springs. The front OEM Shock and Spring assemblies will need to be removed from the front of the truck. DO NOT DISASSEMBLE THE SHOCK/SPRING ASSEMBLY. 1. Raise the vehicle and support it by the frame, allowing the suspension to hang freely. 2. Remove the shock/spring assembly from both sides of the truck. 3. If replacing the OEM spindles, remove them it at his time.
Getting Started……………….
4. The CoilOvers need to be assembled before putting the shocks in the mounts. Assemble the shocks and springs using the instructions below.
NOTE: The Upper and Lower Mounts are not side specific so they are the same for both sides of the truck.
CoilOver Assembly…
First, using the supplied lower adjuster nut (80300-199) thread the nut onto the shock from the bottom side as seen in figure 1. Remove the
1 plastic pellet that is in the split of the adjuster nut.
Installation Instructions
4
Once the knob is removed slide a Delrin washer over the eyelet. Next, slide the upper spring mount (80300-199) over eyelet as seen in figure 4.
Next, install a delrin washer
Install upper spring mount
then coil spring over the
retainer clip (803-00-199)
top of the shock as seen in
into the groove on the
figure 2.
upper eyelet as seen in
figure 5. Then, reinstall
2
Before the upper spring
adjuster to complete
5 assembly.
mount can be installed screw the adjuster knob on the upper eye mount to the firmest setting (clockwise)
Install the locking screw in the adjuster nut before setting spring preload, but DO NOT tighten until the spring preload has been set.
as seen in figure 3. Then remove the Knob by NOTE: Remember to adjust the shock valving before driving,
33 holding it while removing the shock is currently set to full stiff.
the center screw.
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Assembling CoilOver
5.
Installation Instructions
5. Install the 1/2″ I.D. bearing spacers into bearing in the shock body. These spacers have a through hole that is 1/2″ diameter. The small diameter of the spacers will insert into the shock bearing.
6. Insert the shock into the Lower Mount.
6.
Line up the shock bearing/spacers hole with
the mounting holes of the lower mount. Insert
a 1/2″-13 x 2 3/4″ bolt through the mount/
shock. Install a 1/2″ flat washer and 1/2″-13
nylok nut on the threads of the bolt that are
sticking through the mount.
7. Install the 1/2″ I.D. bearing spacers into
7.
bearing in the shock eyelet. These spacers
have a through hole that is 1/2″ diameter. The
small diameter of the spacers will insert into
the shock bearing.
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Assembling CoilOver
8.
NOTCH
Installation Instructions
8. Attach the Upper Mount to the shock eye. The mount needs to be attached to the eyelet so that the notch is on the same side as the adjuster knob.
KNOB
9. Insert the shock eyelet into the Upper Mount.
9.
Line up the shock bearing/spacers hole with
the mounting holes of the upper mount. Insert
a 1/2″-13 x 2 3/4″ bolt through the mount/
shock. Install a 1/2″ flat washer and 1/2″-13
nylok nut on the threads of the bolt that are
sticking through the mount. Torque the upper
and lower mounting hardware to 75 ftlbs.
10. Your assembly should look like Image 10.
10.
The SHORT TAB of the lower mount should be
on the same side as the NOTCH in the upper
mount. If it is NOT, you can turn the upper
mount by hand.
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Installation Instructions
Installation of CoilOver Assembly
11. Put the CoilOver in position on the truck.
11.
The Lower Mount will only attach to the control
arm one way. The SMALL vertical tab needs to
be positioned toward the wheel.
12. The Upper Mount needs to be positioned
12.
with the NOTCH toward the wheel. The shock
adjuster knob should also be toward the wheel.
NOTE: If the adjuster knob is not toward the wheel with the upper mount in the correct position, the upper mount will need to be removed from the eyelet and rotated 180°.
13. Align the mounting holes of the lower
13.
mount with the OEM shock mounting holes
in the lower control arm. Install a 3/8″ flat
washer on each of (2) 3/8″-16 x 2 1/4″ hex
bolts. Insert the bolts/washers in the aligned
holes of the lower mount and control arm.
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Installation Instructions
CoilOver Assembly Installation
14. Install a 3/8″ flat washer and 3/8″-16
14.
nylok nut on the threads of the bolts sticking
through the lower control arm. Torque the
hardware to 45 ftlbs.
15. 16.
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15. Install a 7/16″ flat washer on each of (3) 7/16″-14 x 1 3/4″ hex bolts. Align the mounting holes of the upper mount with the mounting holes in the frame. The mounting bolts need to be installed with the threads pointing up. Insert a bolt/washer in each holes. Install a 7/16″ flat washer and 7/16″-14 nylok nut on the threads of each bolt sticking through the frame. Torque the hardware to 50 ftlbs.
16. Slide the wire loom clip on the threads of the front upper mounting bolt.
17. Repeat steps 4-16 on the other side of the truck. Preload the springs of the CoilOver 1/2″ to start. You may need to adjust the amount of preload in the spring, but this will be determined after the truck has been sat on the ground. Refer to Page 9 for spring adjustment.
18. If installing spindles, do so now. 8
Installation Instructions
CoilSpring & Shock Adjustment
Adjusting Spring Height When assembling the CoilOver, screw the spring retainer tight up to the spring (0 preload). Measure from the bottom of the adjuster nut to the flat of the shock. Thread the adjuster up the shock 1/2″ to preload the spring. Tighten the locking screw that is in the adjusting nut to lock the adjuster in place. After entire weight of truck is on the wheels, jounce the suspension and roll the truck forward and backward to alleviate suspension bind.
· If the truck is too high with 1/2″ of preload, reduce the amount of preload that is on the spring by threading the adjusting nut down the shock body.
· If the truck is too low with 1/2″ preload, then preload can then be added by threading the spring retainer up to achieve ride height.
· Lock the adjusting nut in place by tightening the locking screw that is the adjusting nut.
Shock Adjustment 101- Single Adjustable
Rebound Adjustment: How to adjust your new shocks. The rebound adjustment knob is located on the top of the shock absorber protruding from the eyelet. You must first begin at the ZERO setting, then set the shock to a soft setting of 20.
-Begin with the shocks adjusted to the ZERO rebound position (full stiff). Do this by rotating the rebound adjuster knob clockwise until it stops.
-Now turn the rebound adjuster knob counter clock wise 20 clicks. This sets the shock at 20. (settings 21-24 are typically too soft for street use).
Take the vehicle for a test drive.
-if you are satisfied with the ride quality, do not do anything, you are set!
-if the ride quality is too soft increase the damping effect by rotating the rebound knob clock wise 3 clicks.
Take the vehicle for another test drive.
-if the vehicle is too soft increase the damping effect by rotating the rebound knob clock wise 3 additional clicks.
-If the vehicle is too stiff rotate the rebound adjustment knob counter clock wise 2 clicks and you are set!
Take the vehicle for another test drive and repeat the above steps until the ride quality is satisfactory.
Note: One end of the vehicle will likely reach the desired setting before the other end. If this happens stop adjusting the satisfied end and keep adjusting the unsatisfied end until the overall ride quality is satisfactory.
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