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How to Install SkyJacker 2 in. Strut Spacer Leveling Kit (07-17 4WD Sierra 1500, Excluding 14-17 Denali) on your GMC Sierra
Tools Required
- Safety Glasses
- Metric / Standard Wrenches & Sockets
- Flat Head Screwdriver
- Hammer
- Floor Jack
- Jack Stands
- Measuring Tape
- Torque Wrench
Shop Parts in this Guide
Important Notes:
• If larger tires (10% more than the OEM diameter) are installed, speedometer recalibration will be necessary. Contact your local GM dealer or an authorized dealer for details.
• After installation, a qualified alignment facility is required to align the vehicle to the OEM specifications.
Component Box Breakdown:
Installation:
1. With the vehicle on a level concrete or asphalt surface, set the emergency brake & block the rear tires / wheels.
2. Place a floor jack under the lower control arm front cross member & raise the front of the vehicle.
3. Place jack stands under the frame rails behind the front wheel wells & lower the frame onto the jack stands.
4. Remove the front tires / wheels using a 21mm socket. (See Photo # 1)
5. Disconnect the OEM outer tie rod ends from the OEM steering knuckles using a 18mm socket. (See Photo # 2) Note: It may be necessary to strike the side of the OEM steering knuckles to dislodge the OEM outer tie rod ends. Be careful not to damage the OEM outer tie rod ends.
6. Disconnect the OEM sway bar end links from the OEM lower control arms using a 15mm socket. (See Photo # 3)
7. Loosen the OEM upper strut retaining nuts using a 18mm socket, but do not remove. (See Photo # 4)
8. Disconnect the OEM upper control arms from the OEM steering knuckles using a 18mm socket. Note: It may be necessary to strike the side of the OEM steering knuckles to dislodge the OEM upper ball joints. Be careful not to damage the OEM upper ball joints.
9. Disconnect the OEM strut assemblies from the OEM lower control arms using a 15mm socket. (See Photo # 5)
10. Remove the OEM bolt clips from the lower mount of the OEM strut assemblies using a flat head screwdriver. (See Photo # 6)
11. Install the new Skyjacker lower strut spacers between each OEM strut assembly lower mount & OEM lower control arm using the supplied 10mm x 90mm bolts, washers, nuts, & a 17mm socket. (See Photo # 7)
12. Connect the OEM upper control arms to the OEM steering knuckles using a 18mm socket.
13. Tighten the OEM upper strut retaining nuts using a 18mm socket. (See Photo # 4)
14. Connect the OEM sway bar end links to the OEM lower control arms using a 15mm socket. (See Photo # 3)
15. Connect the OEM outer tie rod ends to the OEM steering knuckles using a 18mm socket. (See Photo # 2)
16. Install the front tires / wheels using a 21mm socket & lower the front of the vehicle to the ground. (See Photo # 1)
FINAL NOTES:
• After the installation is complete, double check that all nuts & bolts are tight. Refer to the following chart for the proper torque specifications. (Do not retighten the nuts & bolts where thread lock compound was used.)
• With the vehicle placed on the ground, cycle the steering lock to lock & inspect the steering, suspension, brake lines, front & rear drivelines, fuel lines, & wiring harnesses for proper operation, tightness, & adequate clearance.
• Have the headlights readjusted to the proper settings.
• Have a qualified alignment center realign the vehicle to the OEM specifications.
• After the first 100 miles, check all of the hardware for the proper torque & periodically thereafter.
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