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How to Install ReadyLIFT 4 in. Front / 1.75 in. Rear SST Lift Kit on your Silverado
Shop Parts in this Guide
Raise vehicle and support frame with jack stands
Remove wheels/tires
Remove front plastic debris plate.
Disconnect ABS sensor at the frame.
Unbolt ABS bracket from upper control arm.
Disconnect and remove both sway bar endlinks.
Remove outer tie rod nut
Strike spindle with hammer to break loose tie rod
Remove lower strut mounting hardware, remove nut clips
Remove clips from top of upper strut mounting nuts
Remove upper mounting nuts
Remove strut assembly from vehicle.
Loosen but do not remove upper ball joint nut
Strike spindle as shown to break loose ball joint, disconnect
Use pry bar to push down upper control arm, remove nut
Carefully separate ball joint from spindle
Unbolt upper control arms hardware, note cam location
Remove upper control arms
Unplug differential solenoid
Disconnect U-joint straps at differential yoke, slide back
Unbolt CV axles (6) bolts at the differential
Unbolt rear cross member (4) bolts and remove
Support differential with jack and un-bolt passenger side
Remove driver side mounting bolts and unplug vent line
Carefully lower differential from vehicle
Secure differential to perform modification
Mark differential as shown indicating material to be removed
Use a grinder to remove material marked previously
Remove passenger side differential mounting bracket
Secure in vise and remove mounting studs with hammer
Reinstall bracket and attach billet spacer as shown
Attach passenger/driver side with socket head hardware
Raise and position diff back into vehicle check clearance
Attach with new hardware and reconnect differential vent line
View of passenger side bolted in with new hardware
Reconnect differential solenoid
Reinstall rear cross member as original
Now install new upper control arms to frame with OE hardware
Place new strut extension spacer onto strut
Attach and tighten with OE hardware
Reinstall strut assembly into vehicle with new hardware
Attach lower strut mount with new shorter hardware, no clips
Raise spindle, reattach upper ball joint and tighten, cotter pin
Reconnect outer tie rod end and tighten
Reattach CV axles to differential (6) bolts and tighten
Reconnect ABS plug near frame
Attach ABS/brake line bracket to upper control arm
Install new differential skid plate w/ 3 self tapping bolts
Note: The following installation instructions cover both the 2/4WD 1500 pick-ups and the 2/4WD Avalanche, Tahoe, Suburban, Yukon, Yukon XL, and Escalade/EXT. This kit will work on vehicles with AutoRide, not AutoLeveling, unless the end users is willing to make modifications. ReadyLIFT does not supply parts and or methods to accommodate vehicles with this option.
Unclips ABS/traction control lines at the frame
Disconnect and remove rear shocks from vehicle
Install shock extensions to upper shock mount as shown
With axle supported remove u-bolts from laxle
Carefully lower axle and remove factory block, do not reuse
Lower axle more in order to install new lift block
Raise axle align and attach new u-bolts and hardware
Reinstall shock with extension attached and tighten
Lube ABS wire and slide rubber mount up to gain more slack
Attach ABS wire to u-bolts with provided zip ties
Differential brake line bracket made require bending up
Disconnect ABS/TC line at the axle to avoid damage.
Disconnect and remove sway bar end links and shocks
At the differential, install spacer and hardware as shown
Lower axle and remove coil springs and isolators
Mark center of bump stop pad and drill 11/32 hole
Use self-tapping bolt and attach bump stop extension
Place Upper coil spacer nut plate above coil housing
Attach coil spring spacer to nut plate and tighten
Reinstall isolators and coil springs and raise axle
Reinstall shocks with extensions as shown and tighten
Install new longer sway bar end links and tighten
Reinstall wheels/tires and lower to the ground. Recheck all work performed, check for proper clearance at full turn and while in reverse. Torque all hardware to spec. Test drive and re-torque u-bolts and wheels. Have vehicle aligned.
Final Checks & Adjustments
Post Installation Warnings: Once the vehicle is lowered to the ground, check all parts which have rubber or urethane components to insure proper torque. Torque wheels to factory specs. Move vehicle backwards and forwards a short distance to allow suspension components to adjust. Turn the front wheels completely left then right and verify adequate tire, wheel, brake line, and ABS wire clearance. Test and inspect steering, brake and suspension components for tightness and proper operation. Inspect brakes hoses and ABS lines for adequate slack at full extension. Failure to perform the post inspection checks may result in vehicle component damage and/or personal injury or death to driver and/or passengers. Test drive vehicle and re-check the torque of all fasteners and re-torque wheels on vehicle. Readjust headlamps.
Vehicle Handling Warning: 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 and professional wheel alignment performed by a certified alignment technician. Align the vehicle to factory specifications. It is recommended that your vehicle alignment be checked after any off-road driving. In addition to your vehicle alignment, for your safety and others, it is necessary to check and adjust your vehicle headlamps for proper aim and alignment
Vehicle Re-Torque and Safety Inspection:
Upon completion of all services and adjustments performed on your vehicle, and within 50 miles of driving, check to ensure all fasteners and hardware are properly torqued to specification as noted in the vehicles factory service manual or the torque chart included.
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