1
PART #
DESCRIPTION
37705EP
99-UP FSD 4WD 0-3” REAR
2.5 VS PB CDEV PAIR
37705EP INSTALLATION INSTRUCTIONS
WARNING!
** READ ALL INSTRUCTIONS THOROUGHLY FROM START TO FINISH
BEFORE BEGINNING INSTALLATION! IF THESE INSTRUCTIONS ARE
NOT PROPERLY FOLLOWED SEVERE FRAME, SUSPENSION AND TIRE
DAMAGE MAY RESULT TO THE VEHICLE!
** ICON VEHICLE DYNAMICS RECOMMENDS THAT YOU EXERCISE
EXTREME CAUTION WHEN WORKING UNDER A VEHICLE THAT IS
SUPPORTED WITH JACK STANDS.
** ICON VEHICLE DYNAMICS RECOMMENDS ALL INSTALLTION TO
BE PERFORMED BY A PROFESSIONAL SHOP/SERVICE TECHNICIAN.
PRODUCT FAILURE CAUSED BY IMPROPER INSTALLATION WILL NOT BE
COVERED UNDER ICON’S WARRANTY POLICY.
1.
Using a properly rated jack, raise the rear of the vehicle and support the frame rails with jack stands. Ensure the jack stands are
secure and set properly before lowering the jack. NEVER WORK UNDER AN UNSUPPORTED VEHICLE.
2.
Remove the factory shocks using 18mm and 21mm socket/wrench.
3.
Slide the wider spacer onto the stud on the upper shock mount. Slide the shock into the shock mount with the reservoir facing
away from the axle. The driver side reservoir may need to be clocked (toward the spare tire) away from a wiring harness. Slide the
narrow spacer onto the stud. [Torque to factory spec]
[FIGURE 1 & 2]
COMPONENTS INCLUDED
(2) 134944PBE-AL 99-UP FSD 4WD 0-3” REAR
2.5 VS PB CDEV
(1) 255604-20 EXTENSION HARNESS COIL IIC
CONTROLLER 20-FT
(1) 255604-30 EXTENSION HARNESS COIL IIC
CONTROLLER 30-FT
HARDWARE INCLUDED
(1) 257161 HEIM SPACER COM10 X 14MM X 1.925
(1) 257162 HEIM SPACER COM10 X 14MM X 1.175
(2) 257164 HEIM SPACER COM10 X .500 X 1.500
TOOLS REQUIRED
JACK
JACK STANDS
TORQUE WRENCH
18MM SOCKET / WRENCH
21MM SOCKET / WRENCH
TECH NOTES
1. YOUR ICON SHOCK ASSEMBLIES COME FACTORY CHARGED TO 150 PSI. RELEASING NITROGEN
PRESSURE MAY LEAD TO SHOCK MALFUNCTION AND REDUCED RIDE QUALITY. FAILURE CAUSED BY
LOW NITROGEN PRESSURE IS NOT COVERED UNDER ICON’S WARRANTY POLICY.
2. THE LOWER HEIM SPACERS FOR 99-16 AND 17-UP ARE INCLUDED. USE THE 14MM SPACERS FOR
17-UP APPLICATIONS.
INSTALLATION
FIG.2
FIG.1
5-12-2022 REV.A
7929 Lincoln Ave. Riverside, CA 92504
Phone: 951.689.ICON | Fax: 951.689.1016
