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INSTALLATION INSTRUCTION 89157

Rev A

Rancho Suspension System — RS66157B

Rear Upper Adjustable Control Arm Upgrade — Black

Fits 2016-2007 Jeep Wrangler JK

READ ALL INSTRUCTIONS THOROUGHLY FROM START TO FINISH BEFORE BEGINNING INSTALLATION

WARNING

Carefully read, understand and follow the instructions provided in this manual, and keep it in a safe place for future reference. If you have any doubt

whatsoever regarding the installation or maintenance of your Rancho suspension system, please see your retailer for assistance or advice. Failure to

follow the warnings and instructions provided herein can result in the failure of the suspension system, or can cause you to lose control of your vehicle,

resulting in an accident, severe personal injury or death.

These instructions should remain in the vehicle glove box for future reference.

Summary of content (8 pages)

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INSTALLATION INSTRUCTION 89157 Rev A Rancho Suspension System — RS66157B Rear Upper Adjustable Control Arm Upgrade — Black Fits 2016-2007 Jeep Wrangler JK READ ALL INSTRUCTIONS THOROUGHLY FROM START TO FINISH BEFORE BEGINNING INSTALLATION WARNING Carefully read, understand and follow the instructions provided in this manual, and keep it in a safe place for future reference.
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7) Install only tires approved by the United States Department of Transportation (“DOT approved”). Make sure the rim and tire size are properly matched. 8) If any components of the vehicle or suspension system are damaged in any way during installation, immediately replace the component. 9) During installation, carefully inspect all parts of the vehicle and replace anything that is worn or damaged.
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IMPORTANT NOTES J. Do not weld anything to these components, and do not weld any of these components to the vehicle unless specifically stated in the instructions Welding on a vehicle creates an electrical charge throughout the body and frame. Disconnect the vehicle’s battery prior to any welding. Place welding ground clamps as near as possible to the weld. Never use a vehicle suspension component as a welding ground point. K.
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SPECIFICATIONS & REQUIREMENTS Shock Absorbers MUST BE PURCHASED SEPARATELY) 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.
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Parts List PART # RS881004B RS89157 DESCRIPTION Rear Upper Control Arm Instructions QTY 2 1 Illustration 1 1) Park vehicle on a level surface. Set the parking brake and chock front wheels. SHOCK ABSORBER & COIL SPRING REMOVAL 1) Disconnect the track bar from the axle bracket. 2) Disconnect the sway bar end links from the axle. 3) Raise the rear of the vehicle and support the frame with jack stands. Remove the rear wheels.
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Remove bolts and separate the brake hoses from the 5) frame rails. Remove clips holding ABS wire to frame. If necessary, disconnect any vent hoses and electrical wiring from the axle. 4) Attach the adjustable end of the upper control arm RS881004B to the frame bracket with the original hardware. The bend of the arm goes to the inside to provide clearance for tire. See Illustration 4. 6) Remove the nuts or bolts from the brake parking cable hanger above the rear axle. Remove the hanger from the cables.
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NOTE: When installing coil springs, make sure that the rubber isolator is positioned in the upper mount and the small egg-shaped pig tail end is at the bottom. FINAL CHECKS & ADJUSTMENTS 1) Turn the front wheels completely left then right. Verify adequate tire, wheel, brake hose and ABS wire clearance. Inspect steering and suspension for tightness and proper operation. 3) Attach shocks to the axle brackets. Torque the shock absorber lower mounting bolts to 74 lb-ft. 4) Reattach sway bar end links to.
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Rancho Technical Department 1-734-384-7804.