How to Install TeraFlex 2.5" Lift Kit w/ Shocks on your 2007-2013 Wrangler

1. Remove track bar bolts using a 21mm socket, at both the front and rear axle and remove track bars.

2. Loosen all control arm bolts using a 21mm socket, DO NOT REMOVE ARMS OR BOLTS!

3. Lift the vehicle and support under the frame with jack stands. Make sure that the axle will drop far enough to remove and install the coil springs.

4. Remove the wheels.

5. Support the rear axle with a jack and slightly. Lift one or two inches so that it is easy to remove the bolts from the shocks and sway bar links. (If you remove the nut from the bolt prior to jacking up on the axle you can put slight pressure on the bolt with your hand while jacking the axle and see where it is easiest to remove the bolts.)

6. Remove shocks using an 18mm socket and wrench for the axle side bolt and a 16mm socket for frame side.

7. Remove sway bar links using an 18mm socket and wrench, make sure to put aside for use in the front of the vehicle.

8. Remove the clips that secure the ABS wiring harness to the upper control arm mount.

9. Disconnect the brake line bracket at the frame using a 10mm socket. DO NOT DISCONNECT THE BRAKE LINES FROM THE CALIPERS.

10. Remove and discard the bracket that holds the park brake cables to the body using a 10mm deep well socket.

11. Carefully lower the rear axle far enough to remove the rear springs. Be careful not to let the coils fall out as you lower the axle. Lower the axle far enough to install the new 2.5” springs in place. While lowering the axle make 

For Kits 1352000-1352002 w/ shock adapters do
steps 12-13

12. Install new rear track bar drop bracket. Use the template in the instructions to mark and drill the 3/8” hole needed for proper installation.

13. Install your new track bar drop bracket using the 14mm bolt, washer, and nut. Place the sleeve provided inside the bracket to prevent crushing the bracket. Install track bar in the new bracket. Torque outside bolt to 45 ft-lbs and bolt with sleeve to 125 ft-lbs. Do not torque the track bar until the vehicle is on the ground. (In some cases the new bracket will not fit in the factory bracket. In this case use a pry bar or crescent wrench to spread the bracket so the new drop bracket aligns perfectly with the factory track bar hole. DO NOT DRILL OUT HOLE TO MAKE FIT. This can cause slop in the bracket and be heard as a popping sound.

For Kits 1251000-1251002, 1351000-1351002 with and without shocks do step 14.

14. Install the new rear track bar bracket by removing the lower control arm bolt. Place the bracket into place, reinstall the control arm bolt. Install the supplied bolt and sleeve into the factory track bar location. Using the supplied u-bolt and nuts install the u-bolt around the axle tube. Torque the u-bolt nuts to 85 ft-lbs and the supplied bolt to 75 ft-lbs.

15. Install the factory isolator on the new spring Install the rear springs.

16. Install the new rear coil spring retainers on the bottom end of the coil springs. First insert the flanged nut into the provided wrench tool, insert the bolt with the lock washer on top of the flat plate, into the rear lower spring retainer. Holding the flange nut in place using the provided wrench tool and begin tightening the bolt using a 1/2” socket or wrench. Remove wrench when finished.

17. Install new rear sway bar links on the outside of the sway bar and the outside of the axle bracket. Use the factory bolt on the axle side with the nut on the outside so excess threads will not interfere with the shock. Use the provided 1/2” x 20 nut and washer for the top side with the 12mm nut and washer on the inside to give the most possible room for tire clearance. Torque to 75 ft-lbs.

18. Install new rear bump stop spacer by placing the spacer on the axle pad lining up both holes with the overhang part of the pad facing forward. Use the provided 5/16” x 1 ¼” bolts with 5/16” washers and 5/16” nuts. Tighten with 1/2” wrenches.

19. Install shocks. If shock adapters are included in your kit, install shock adapters and shocks. Note: The shock adapters are different from left to right. Make sure you are installing the correct one. There are two 10mm X 90mm and one 5/16” X 1” bolts for each side. Use the 5/16 X 1” bolt to align the adapter in its proper location leave loose. Start one of the 10mm x 90mm bolts a few threads then slide shock bar pin around bolt and install the other bolt using a 16mm socket. Use a 1/2” wrench to tighten the small bolt. Torque the top shock bolts to 37 ft-lbs, and the bottom bolt to 56 ft-lbs.

20. Install rear brake line extensions provided in the kit. Bolt the bracket to the factory brake line bracket by removing the 10mm bolt and installing the bracket in that location with the bend of the bracket going flush with the frame. NOT STICKING OUT AWAY FROM THE FRAME. Torque to 14 ft-lbs. (If bracket gets installed the wrong way it will rub on your tires) Then use the supplied hardware to attach the factory bracket to the drop bracket by using 1/2” socket and wrench.

21. Remove jack from under axle.

22. Rear installation complete.

23. Place jack under the axle and slightly lift the front axle so you can easily remove factory hardware form shocks, sway bar links.

24. Remove the front shocks by using a 18mm wrench and socket at the axle side and a 16mm wrench for the frame side. (If the shock spins with the top nut you can use a 5/8 wrench to hold the shock just below the shock mount. Ratchet wrenches are best for the top nut)

25. Remove sway bar links using 18mm socket and wrench at the axle and 18mm socket and 20mm wrench at the sway bar. Lower the jack enough to remove the springs.

26. Remove front coil springs.

27. Remove the stock yellow bump stop with a pair of channel lock pliers. Using grease, lube the bump stop extension to install it into the spring tower. (You may need a piece of wood or equivalent to put in between the extension and the coil perch and jack up the axle to install extension. Do one side at a time.

28. Use grease to lube the yellow bump stop and install it into the extension.

29. Install new 2.5 inch coil springs. Do the drivers side first.

30. If your kit comes with the shock adapters install the front upper shock adapter by spinning it onto the factory shock using red thread locker . Then install the provided washer then the original rubber bushing with the big hole in it and use the other one on the upper side of the frame and install in the same order it was removed. Torque to 20 ft-lbs on the frame side and 56 ft-lbs on the axle side.

31. Install factory rear sway bar links in the front on the outside of the sway bar and inside of the axle mount. Torque to 75 ft-lbs.

32. Reinstall wheels, torque lug nuts to 95- 115 ft-lbs, Remove jack stands, lower the vehicle onto its own weight, and torque all the control arm bolts. Torque the uppers to 75 ft-lbs and the lowers to 125 ft-lbs.

33. Install the rear track bar. To align the rear track bar to the axle have someone push on the body of the jeep until the bolt hole lines up. Torque to 125 ft-lbs.

34. Install the front track bar. To align the front track bar have someone move the steering wheel until the bolt hole lines up. Torque to 125 ft-lbs.

35. To straighten the steering wheel, loosen the adjuster sleeve on the drag link by using 15mm sockets. Mark the position by making a line across the sleeve and the threads this line will indicate the original position. Looking from the drivers side rotate the adjuster sleeve counter clockwise 3/4 of a turn. This should get your steering wheel close to center. Every vehicle is different so test drive yours and determine if yours needs further adjustment. Once steering wheel is straight torque pinch clamp bolts to 45 ft-lbs.

36. Re-torque all fasteners after 300 miles.