ReadyLift 44-19620 Instruction Manual Download Page 4

Page: 4 / 46

www.ReadyLIFT.com

Phone: (877) 759

9991

19620

Before starting installation:

ReadyLIFT Suspension highly recommends that the installation of this

product be performed by a professional mechanic with experience working on and installing suspension

products. Professional knowledge and skill will typically yield the best installation results. If you need an

installer in your area, please contact ReadyLIFT Suspension Customer Service to find one of our

“

Pro

Grade

”

Dealers.

INSTALLATION BY A PROFESSIONAL IS HIGHLY RECOMMENDED.

•

A Factory Service Manual for your specific Year / Make / Model is highly recommended for reference

during installation.

•

All lifted vehicles may require additional driveline modifications and / or balancing.

•

A vehicle alignment is REQUIRED after installation of this product.

•

Speedometer / Computer recalibration is required if ch/

10% from factory tire diameter.

•

A vehicle lift or hoist greatly reduces installation time. Installation time estimates are based on an

available vehicle hoist.

•

Vehicle must be in excellent operating condition. Repair or replace any and all worn or damaged

components prior to installation.

VEHICLE RIDE HEIGHT MEASURMENTS

Measure from the fender edge to the axle hub center

Driver

Before

Driver

After

Passenger

Before

Passenger

After

RECORD HEAD LAMP MEASURMENTS

Pre Installation Measurements

It is imperative that you record the following measurements and factory components.

ReadyLIFT test and records as much data from each application as possible. Vehicle

manufactures may change components or add models with different options. By

recording and not exceeding the fender to hub center that ReadyLIFT call out will

ensure the lift on your vehicle is correct. This measurements and components will

effect the completion of this lift kit. Failure to do so may result in over lifting, causing

premature failure of axles, CV boots and drivetrain. Over lifting a vehicle will also

result in a incorrect wheel alignment. This will wear tires incorrectly inside or outside

edge. An Incorrect alignment will cause poor vehicle handling issue such as under

steer. Over lifting will also cause a shock top off condition, creating poor ride quality

and pops and clunks prematurely wearing components. Failure to adjust head lamps

may cause dangerous driving conditions for you and other drivers on the road. Record

the head lamp position before the installation of this lift or leveling kit and adjusting

to factory position after the completion will ensure a safe and enjoyable experience.

Factory front axle

Factory rear axle

After Lifted

Summary of Contents for 44-19620

Page 1: ...t considered defective when worn They are warranted for 12 months from the date of purchase for defects in workmanship This product warranty is voided if the vehicle is not aligned after kit installation and proper maintenance is routinely done Product purchased directly from ReadyLIFT has a 90 day return policy on uninstalled products from the date of purchase may be subject to restocking fee Uni...

Page 2: ...of any ReadyLIFT products It is the responsibility of the driver s to check their surrounding area for obstructions people and animals before moving the vehicle All raised vehicles have increased blind spots damage injury and or death can occur if these instructions are not followed Installation Warning All steps and procedures described in these instructions were performed while the vehicle was p...

Page 3: ...d passenger side Height may vary from side to side Repeat this procedure and adjust after lift kit is installed Adjust if the aim is off by turning the adjusters gradually a quarter of a turn and looking to see where the new alignment falls It may be easier to block one headlamp while adjusting the other Consult the owner operation manual for procedures to adjust headlights many automakers offer h...

Page 4: ...nder edge to the axle hub center Driver Before Driver After Passenger Before Passenger After RECORD HEAD LAMP MEASURMENTS Pre Installation Measurements It is imperative that you record the following measurements and factory components ReadyLIFT test and records as much data from each application as possible Vehicle manufactures may change components or add models with different options By recordin...

Page 5: ...Arm Bracket 1 Control Arm Bracket Crush Sleeve 2 Rear Sway Bar End Links 2 Rear Track Bar Bracket 1 Track Bar Bracket Nut Plate 1 Rear Air Bag Spacer 2 Rear Bump Stop 2 Rear Bump Stop Nut Plate 1 Rear Shock 2 M18 x 150MM Hex Bolt 4 M18 C Lock Nut 4 M18 Flat Washer 8 M16 x 110MM Hex Bolt 2 M16 C Lock Nut 2 M16 Flat Washer 4 M14 x 70MM Hex Bolt 1 M14 C Lock Nut 1 M14 Flat Washer 2 M12 x 30mm Hex Bol...

Page 6: ...ock the rear wheels for safety Engage the parking brake IMPORTANT NOTE FOR AIR SUSPENSION SYSTEM Before working on the vehicle activate Tire Jack Mode using the center infotainment settings This will prevent the air system from activating while the new components are being installed Disconnect the vehicle power source at the ground terminal on the battery NOTE If the battery is left disconnected f...

Page 7: ...the airline as the fitting is sensitive and difficult to replace if broken Loosen the three top air strut nuts but do not remove at this time NOTE This will release the tension on the top hat to prevent the strut popping out toward the CV axle boot when the lower strut bolts are removed Raise the vehicle and remove the front tires Front Install ...

Page 8: ...tself Care MUST be taken when handling these CV axles Remove the outer tie rod end nut Remove the tie rod end by striking the tie rod end boss on the knuckle with a dead blow hammer to dislodge the taper NOTE Leave the nut on the end of the joint until the tie rod breaks loose from the knuckle Remove the ABS wire harness from the upper control arm and frame rails Cut the Christmas tree clip off th...

Page 9: ...n the inside of the knuckle Remove brake rotor retaining bolt and remove the rotor Retain the factory hardware Remove the wheel speed sensor from the knuckle and hang out of the way Retain the factory hardware Unplug the Ride Height Position Sensor NOTE Take care not to damage the red retaining clip ...

Page 10: ...necessary to remove the link from the sensor Remove the bolt holding the sensor to the frame Retain the factory hardware Parts shown in red for picture clarification only Remove the factory ride height sensor bracket by removing the small torx head screw Install the supplied relocation bracket using the factory torx head screw NOTE DO NOT OVERTIGHTEN THIS SCREW Loosen but do not remove the upper c...

Page 11: ...ontrol arm bolts located inside the strut tower Loosen but do not remove the lower control arm ball joint nut Strike the lower ball joint boss on knuckle with a dead blow hammer to dislodge the taper Remove nut and then the knuckle from the vehicle Remove 4 sway bar mounting bolts from the frame and retain the factory hardware Remove sway bar from the vehicle ...

Page 12: ...he factory bolt Support the lower control arm with a suitable jack Loosen but do not remove the lower control arm pivot bolts Swing lower control arm down and out of the way Remove the 3 top strut nuts and carefully remove the strut from the vehicle NOTE Take care not to damage the Pressure Relief Valve on the top of the air strut ...

Page 13: ... out of the way Discard the factory hardware Remove the lower control arm from the frame Be sure to retain factory alignment cam bolts cams and nuts Remove the 4 rear crossmember mounting bolts Remove crossmember from the vehicle Discard the crossmember and mounting hardware Unplug the differential shift actuator Ensure all clips are removed and clear of the differential ...

Page 14: ...fferential mounting bolts Retain the factory hardware Remove the harness retaining clip from the retaining bracket attached to the differential mount Remove the actuator harness retaining clip from the inside the frame rail Remove 2 passenger side differential mounting bolts Retain the factory hardware Discard the actuator harness retaining bracket ...

Page 15: ... frame Connect the two lines across the top of the frame pocket Using an appropriate cutting tool cut through marked line Remove the 3 driver side rear differential mounting hardware Retain the factory hardware Ensure all the differential mounting hardware is removed slowly lower the differential and remove from vehicle Sand the cut surface to remove any sharp edges Clean and paint the cut surface...

Page 16: ...lts Do not tighten at this time NOTE The plate with the larger off set is to be installed on the inside closest to the center of the vehicle Install the passenger side front differential drop onto factory differential mounting point using the factory mounting bolts Do not tighten at this time The passenger side front differential drop is identified by a small notch on one edge Install the passenge...

Page 17: ... Before tightening the passenger side rear differential drop ensure the large notch is orientated up and against the factory differential mounting point Ensure the offset is toward the front of the vehicle Raise differential into place Be sure to use a helper to aid in the installation process With the differential in place install the provided M12 x 60mm bolt washers and nut through the driver si...

Page 18: ... nuts and washers Torque all M12 hardware to 95 ft lbs Install the 3 factory mounting bolts through the rear differential drop bracket and into the differential Do not tighten at this time Install the provided M12 x 60mm bolt and washers through the passenger side rear differential drop bracket the differential housing then the passenger side front differential drop bracket Plug the differential s...

Page 19: ...t this time Install the top harness retaining clip into the shift solenoid harness bracket NOTE Due to minor differences in frame production it may be necessary to trim the bottom edge of the front control arm pivot pocket Ensure the cam block off plates are orientated with the notches facing up and out Ensure the bolts are installed from the front of the vehicle ...

Page 20: ... plates M18 bolts washers and nuts Do not tighten at this time Ensure the cam block off plates are orientated with the notches facing up and out Ensure the bolts are installed from the rear of the vehicle Install the heavy duty skid plate using the provided M10 bolts washers and nuts Torque the M10 hardware to 45 ft lbs With the lower control arms installed and the skid plate torqued in place Torq...

Page 21: ...stall the drive shaft to the pinion flange lining up the previous marks Torque the M12 hardware to 80 ft lbs NOTE Due to variation in vehicle models you may need to trim the plastic bracket on the side of the transmission due to contact with the driveshaft Mark the bracket being sure to remove enough material the driveline will not touch the bracket Using an appropriate cutting tool cut through ma...

Page 22: ... pulling the brake line down into place you ll need to rotate the bulkhead fitting so the hardline is aimed toward the rear on the vehicle Install the brake line drop bracket onto the factory brake line bulkhead fitting using the supplied M6 bolt locking nut and washers Do not tighten at this time Parts in this picture are not used for the air suspension kit and may be discarded 2 STEEL SPACERS WI...

Page 23: ... and install using the factory hardware Torque the factory hardware to 35 ft lbs Remove the clips retaining the air supply line NOTE Route the air line through the gap in the spacer from the backside as the spacer is installed The line can be tightened once the strut is installed Swing the lower control arm up and install the factory lower strut bolt through the lower control arm Do not tighten th...

Page 24: ... to secure the air line to the steel portion of the brake line NOTE Ensure that the air line is routed such that there is not stress at the fitting pressure relief valve interface or any tight bends as this may kink or crack fittings lines Remove the ABS wire bracket on the inside of the knuckle Pay close attention to the orientation of the wire bracket Retain the bracket and hardware Remove hub a...

Page 25: ...ield and hub assembly into replacement knuckle using the 3 factory hub bolts and thread locker Torque the hub bolts to 100 ft lbs Install the completed knuckle assembly to the lower ball joint while guiding the CV axle through the hub Install the upper ball joint into the knuckle using the factory ball joint hardware Torque the ball joint nut to 50 ft lbs ...

Page 26: ...may be necessary to trim the end of the ABS wire bracket to allow the bracket to sit flush on the knuckle Torque the factory hardware to 10 ft lbs Remove the ABS wire harness retaining clips that are attached to the frame rail This will allow additional length that is required to install the ABS sensor into the knuckle Install the ABS harness connector into the preexisting hole located on the side...

Page 27: ... Torque the axle nut to 160 ft lbs Install the ABS wire mounting grommet into the ABS wire bracket Install the brake rotor to the hub assembly using the factory hardware Torque the factory hardware to 5 ft lbs Install the brake caliper to the knuckle using the factory hardware and a drop of thread locker Torque the factory hardware to 100 ft lbs ...

Page 28: ... the M10 hardware to 45 ft lbs Install the outer tie rod end to the knuckle using factory hardware Torque the factory nut to 60 ft lbs Install sway bar drop brackets using the factory hardware Torque the factory hardware to 35 ft lbs Install the sway bar drop link into the lower control arm using factory nut Torque end link nut to 45 ft lbs ...

Page 29: ...www ReadyLIFT com Phone 877 759 9991 29 44 19620 IM AA Using a couple wire ties secure the ABS sensor harness to the brake line Connect the ride height sensor link to the upper control arm ...

Page 30: ... raise the rear of the vehicle using a suitable jack Place jack stands on the frame rail in front of the lower trailing arms Place a jack under the axle for support Remove the rear wheels Remove the rear wheels and the plastic inner fender liners The air bag may be pried away from the axle mount and compressed at this point NOTE It is not necessary to remove the bag from the upper mount TIP After ...

Page 31: ...t mounted on the frame rail Retain the factory hardware Remove the upper sway bar end link at the frame rail Discard the factory hardware Remove the lower sway bar end link at the sway bar Discard both the sway bar end link and the factory hardware Remove the passenger ABS retaining clip at the frame rail ...

Page 32: ...ing clip from the top of the rear differential Locate and remove the driver brake line bracket mounted on the frame rail Retain the factory hardware Remove the driver ABS retaining clip at the frame rail Remove the harness retaining clip from the stud on the rear differential cover ...

Page 33: ...lower trailing arm hardware Support the axle with a suitable jack Remove the lower shock bolt Retain the factory mounting hardware Remove the shock top mounting hardware Remove shock from the vehicle and dispose of the shock in an appropriate manor Loosen the track bar mounting bolt at the axle ...

Page 34: ...e side track bar mounting bolt Remove both the rear upper control arm pivot bolt at the axle Retain the factory mounting hardware NOTE Be gentle with the arms as the ride height sensor is attached near the front side of the arm Install the upper control arm crush sleeve between the upper control arm bracket and the control arm axle mount Install the supplied M16 bolt locking nut and washers Do not...

Page 35: ...unting bolt Using an appropriate tool mark remove the bracket and drill a 3 8 hole for mounting Install the upper control arm into the upper control arm bracket using the factory pivot hardware Do not tighten at this time With the upper control arm installed Tighten all bracket mounting hardware in order Torque the M10 axle bolts to 55 ft lbs Torque the M16 hardware to 200 ft lbs Torque the M8 har...

Page 36: ...ware Do not tighten at this time With the upper control arm installed Tighten all bracket mounting hardware in order Torque the M10 axle bolts to 55 ft lbs Torque the M16 hardware to 200 ft lbs Torque the M8 hardware to 30 ft lbs Remove the frame side track bar mounting bolt Retain the mounting hardware With the track bar bracket in place install the supplied M12 x 35mm bolt nut and washers throug...

Page 37: ...ort tab to the factory track bar mount using the track bar bracket nut plate the supplied M12 x 35mm bolt and washers and tread locker Tighten all mounting hardware at this time Torque the M12 hardware to 90 ft lbs Torque the M14 hardware to 120 ft lbs Note the location and orientation of track bar bracket nut plate If necessary gently compress the air bag to make room for the air bag spacer ...

Page 38: ... axle housing do not rise above the mounting surface If necessary grind this weld flush and use paint or another type of sealer to protect against corrosion Install the air bag spacer using the 1 4 20 x 1 bolts washers and lock nuts Orient the oval mounting hole toward the front of the vehicle NOTE The top of the spacer should sit relatively flat in relation to the ground Install the rear bump sto...

Page 39: ...hten at this time On the driver side only Install the bump stop nut plate Install the supplied M8 bolts nuts and washers through the bump stop extension and axle pad Torque the M8 hardware to 30 ft lbs While gently pulling down on the brake line install the factory brake line bracket onto the driver rear brake line bracket using the factory hardware and supplied M8 nut and washer ...

Page 40: ...cket at this time Torque the M8 hardware to 30 ft lbs Torque the M6 hardware to 15 ft lbs While gently pulling down on the brake line install the factory brake line bracket onto the rear track bar bracket using the factory hardware and supplied M8 nut and washer Torque the M8 hardware to 30 ft lbs Install the sway bar end link assembly onto the frame using the supplied M10 x 70mm bolt and M10 fend...

Page 41: ...differential Install the completed sway bar end link assembly onto the sway bar using the supplied M12 x 70mm bolt nut flat washer and fender washer Do not tighten at this time Note Ensure the fender washer is installed on the bushing side Install the harness retaining clip the stud on the rear differential cover ...

Page 42: ...o seat the air bag on the lower air bag spacer gently extend the air bag with one hand while supporting the top of the bag with the other hand Install the air line fitting at the top of the bag Install the tires and slowly lower the truck Ensure that the air bag seats on the spacer properly as the truck is lowered ...

Page 43: ...bs the sway bar end link hardware to 35 ft lbs and the track bar hard ware to 125 ft lbs NOTE The vehicle may need to be driven a few miles before the ride height sensors will return to their pre lift positions Rotate the wheels from lock to lock and verify all clearances between the tire body ABS brake line and suspension components Adjust as necessary Have the alignment set to the recommended sp...

Page 44: ...www ReadyLIFT com Phone 877 759 9991 44 44 19620 IM AA ...

Page 45: ...ce at the negative ground terminal Rotate the wheels from lock to lock and verify all clearances between the tire body ABS brake line and suspension components Adjust as necessary Have the alignment set to the recommended specs provided on the last page of this instruction booklet by a reputable alignment shop Make sure to have any and all electronic systems calibrated as indicated by the manu fac...

Page 46: ...Handling Warning Increasing the height of your vehicle raises the center of gravity and can affect stability and control Use caution on turns and when making steering corrections Vehicles with larger tires and wheels will handle differently than stock vehicles Take time to familiarize yourself with the handling of your vehicle Wheel Alignment Headlamp Adjustment It is necessary to have a proper an...

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