Owners manual

4
SPECIFICATIONS & REQUIREMENTS
Shock Absorbers MUST BE PURCHASED SEPARATELY)
Wheels and Tires
Recommended Components and Modifications (MUST BE PURCHASED SEPARATELY)
During high articulation events, the front drive shaft may contact
exhaust or transmission oil pan. A smaller diameter drive shaft is
suggested for optimal performance.
Rancho recommends Powertrain Industries drives shafts:
Powertrain Industries, Garden Grove, CA.
1-800-798-4585.
2007 — 2011 Models Part Number
Front drive shaft 2dr / 4dr 3194-1925
Rear drive shaft 2dr 3194-2750
Rear drive shaft 2dr 3194-0725
2012 — Newer Models
Front drive shaft 2dr / 4dr: 3194-2125
Rear drive shaft 2dr: 3194-0475
Rear drive shaft 4dr 3194-2550
Tools and Supplies (BECAUSE OF VEHICLE VARIATIONS, THIS MAY NOT BE A COMPLETE LIST)
Jeep Service Manual
Torque Wrench (250 FT-LB capacity)
Hammer
1/2” Drive Ratchet and Sockets
Combination Wrenches
Wire Brush (to clean mounting surfaces)
Red LocTite
Penetrating Lube (to aid removal of
corroded and frozen hardware)
File
Hydraulic Floor Jack
Heavy Duty Jack stands
Wheel Chocks (Wooden Blocks)
Safety Glasses-
Wear safety glasses at all times
Installing with Lift
Rancho Adjustable Control Arms may increase articulation and wheel travel.
Follow lift kit manufactures recommendations when installing replacement shocks.
WARNING Use of the wrong shock absorbers can cause damage to vehicle without the damage being visible to
you, resulting in loss of vehicle control and an accident.
This suspension system was developed using the following tire & wheel combination:
Tire: BF Goodrich® Mud-Terrain™ T/A® KM-35 x 12.50 R17
Wheel: 17” x 9” wheel with 4.5” of backspacing.
Total backspacing 5.9”
Maximum total backspacing is 6.8”. Before installing any other combination,
consult your local tire and wheel specialist.
Compatible With
OE Wheels
Development
Tire Size
(Actual)
Optional Tire Size
2
(Actual)
Wheel Size
(Backspacing)
Yes
1
35x12.5xR17
(34.8”x12.5”)
37x12.5xR17
(36.3”x12.8”)
17x9
(4.5”)
1
OE wheels compatible with stock size tires only.
2
Fitment of the optional tire size may require trimming to provide proper clearance and
may contact control arms
If installing lift kit at same time as Rancho Adjustable Control Arms
, follow lift kit manufactures installation instructions to install lift.
Install Rancho Front Control Arm Brackets when coil springs are removed from vehicle.
If lift is already installed, Rancho Adjustable Control Arms
may be installed with vehicle on the ground, or with the vehicle up on jack
stands or vehicle lift / hoist. Instruction are suppli
ed to remove and install Rancho lifted coil springs. If another manufactures lift kit is
installed, follow lift kit manufactures instructions to remove and install coil springs.
Follow all lift kit manufactures recommendations and warnings