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INSTALLATION OF THIS PRODUCT ON YOUR JE

EP

®

 WILL MODIFY AND

ENHANCE ITS SUSPENSION AND OFF-ROAD PERFORMANCE. IT MAY HANDLE

DIFFERENTLY THAN AS FACTORY-EQUIPPED INCLUDING; INCREASED

RIDE-HEIGHT; REDUCED LATERAL STABILITY; AND HIGHER RISK OF

ROLL-OVER OR OTHER ACCIDENT. ALSO, OWNER’S CHOICE OF LARGER

TIRE/WHEEL COMBINATIONS MAY REQUIRE ADDITIONAL PEDAL PRESSURE

OR INCREASED DISTANCE TO STOP; CAUSE SPEEDOMETER TO READ SLOW

AND MAY REDUCE VISIBILITY AROUND THE VEHICLE. CHOICE OF

TIRE/WHEEL COMBINATIONS OTHER THAN AS TESTED OR RECOMMENDED

MAY COMPROMISE FMVSS 126 COMPATIBILITY.

FAMILIARIZE YOURSELF WITH VEHICLE HANDLING AND REVIEW ALL

VEHICLE MANUFACTURERS AND QUADRATEC

®

 WARNINGS, INSTRUCTIONS 

AND LIMITED WARRANTIES BEFORE DRIVING A MODIFIED SUSPENSION 

JEEP

®

. FOLLOW ALL RECOMMENDED MAINTENANCE PROCEDURES AND

 

ROUTINELY INSPECT YOUR VEHICLE COMPONENTS FOR UNUSUAL WEAR 

OR OFF-ROAD DAMAGE.

DO NOT DRIVE UNDER ANY SPEED OR MANEUVERING CONDITIONS WHICH

MAY CAUSE THE VEHICLE TO TRIP, ROLL, LOSE TRACTION OR COMPROMISE 

YOUR ABILITY TO SAFELY BRAKE IN AN EMERGENCY. QUADRATEC

®

 DOES 

NOT RECOMMEND COMBINED USE OF SUSPENSION KITS, BODY LIFTS, 

OTHER LIFTING DEVICES OR COMPONENTS ALTERING THE INTENDED 

RIDE-HEIGHT OR FUNCTION OF ITS PRODUCTS. MANY STATES HAVE LAWS 

RESTRICTING THE EXTENT OF VEHICLE MODIFICATIONS. OWNER/DRIVER IS 

RESPONSIBLE FOR MODIFICATIONS CONSISTENT WITH STATE LAWS AND 

GOOD SENSE.

2

Before You Begin Installation: 

Congratulations on your purchase of  the  
Quadratec 1.75” Coil Spacer Lift Kit  for 
018-Current JL Wrangler Vehicles. 
When unpacking, check to make sure all 

 
parts are included and not damaged due 
to shipping. If any part is missing or
broken, please call Customer Service
at 800-745-6037 as soon as possible.

IMPORTANT PRODUCT SAFETY TIPS

A Few Words About Product Safety: 

Your Quadratec Suspension product 
is intended to enhance the utility and 
enjoyment of your off road capable 
vehicle. Following safety information 
and installation recommendations.

 Throughout these instructions 
important safety information is 
generally preceded by one of three 
signal words indicating the relative risk 
of injury, property damage or adverse 
consequence. The signal words mean: 

a hazardous situation which, if not avoided, could result in death or

serious injury. You CAN be KILLED or SERIOUSLY HURT if you

don’t  follow instructions.

a hazardous situation which, if not avoided, could result in minor or

 moderate  injury.  You CAN be moderately HURT and also may suffer

property damage if you don’t follow instructions. 

Careful attention is required to this instruction or operation but does 

generally not relate to personal injury. Damage to your Quadratec

®

product or other property may result if you don’t follow instructions.

QJL_1.75_LIFT_16400_0010_LTR.indd   2

QJL_1.75_LIFT_16400_0010_LTR.indd   2

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Summary of Contents for 16400.0010

Page 1: ...CUPANTS AT ALL TIMES RISK OF EYE INJURY SAFETY GLASSES MUST BE WORN AT ALL TIMES WHILE INSTALLING OR MAINTAINING THIS PRODUCT TORQUE AND RECHECK FASTENERS AFTER 250 MILES AND FREQUENTLY THEREAFTER DO...

Page 2: ...IS RESPONSIBLE FOR MODIFICATIONS CONSISTENT WITH STATE LAWS AND GOOD SENSE 2 Before You Begin Installation Congratulations on your purchase of the Quadratec 1 75 Coil Spacer Lift Kit for 018 Current J...

Page 3: ...2 Rear Bump Stop 2 Tall QTY 2 3 8 16 x 3 Hex Flat Head Screw QTY 4 3 8 Flange Nut QTY 4 Rear Shock Brackets QTY 2 1 2 13 x 3 5 Hex Head Bolt QTY 2 7 16 USS Flat Washer QTY 6 1 2 13 Lock Nut QTY 2 1 50...

Page 4: ...e and support frame rails using jack stands Do not lower the axle at this time Remove front wheels tires Loosen the front track bar at both the frame and axle using a 21mm socket and wrench FIGs 1 2 R...

Page 5: ...mm sockets and wrenches FIG 5 Loosen the upper control arms at both the frame and axle using a 18mm socket and wrench FIG 6 1 75 Coil Spacer Lift Kit Installation Front FIG5 FIG6 FIG7 FIG8 Disconnect...

Page 6: ...ness from the axle housing and upper control arm using a trim removal tool FIG 14 Disconnect the brake line brackets from the lower control arm using a 15mm socket FIG 11 Save hardware Disconnect the...

Page 7: ...ch bump stop to axle using the 3 8 hex head bolts washer and flange nut tighten until there is slight deformation of bump stop using a 9 16 socket Repeat this on other side of the vehicle Raise axle j...

Page 8: ...lower control arms This completes the installation work on the front of the vehicle Torque all front end control arm and track bar hardware once the rear installation is complete Only once the vehicl...

Page 9: ...the vehicle use a wheel chock on the front tires to prevent the vehicle from rolling forward and release the emergency brake Raise the rear of the vehicle and support frame rails using jack stands Do...

Page 10: ...perly index and Position the new coil spacers into the frame mounts and re install the coil springs Raise the axle slowly making sure the spacers are still properly indexed in the mounting holes Help...

Page 11: ...OSEN TIRE WHEELS THROUGH FULL STEERING SWEEP AND SUSPENSION TRAVEL ASSURE BRAKE LINES CLEAR AND NOT RUBBING AGAINST ANY SURFACE ABS FITTING AND OTHER FASTENERS SECURED CHECK SPEEDOMETER READINGS AND I...

Page 12: ...n damage alteration modification combination with other parts failure to maintain or improper repair or service b defects or use which pre dates installation of Quadratec accessory or suspension kit b...

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