1. Jack and support front of vehicle under frame with
load rated jack stands. (Allow the suspension to
relax fully by supporting the frame)
2. Installation will be performed on both left and right
sides together.
3. Mark lug and wheel location. Remove front wheels
on both sides.
4. Mark lower strut location that faces outward.
5. Remove 2 lower strut mounting bolts with a 15mm
socket.
(Fig 1.2)
6. Remove 2 lower strut clip nuts with flat head screw
driver or small pry bar.
NOTICE:
Repeat procedure on both sides of the vehicle
before continuing.
STEP 1:
Removal
STEP 1:
Removal (Continued)
1. Verify if your vehicle has the Elec-
tronic Ride Control option. Check
the glove box lid for the GM code
“
RPO Z55
” (Auto-ride) or “
RPO
Z95
” (Magnetic-Ride) This code
verifies that your vehicle does
include active ride control suspen-
sion.
NOTICE:
If your vehicle does not
include this option continue to
STEP 2 (Removal).
2. Temporarily disconnect linkage
from upper control arm bracket
with 10mm open-end wrench.
(Fig
0.1)
3. Carefully disconnect strut wire
harness on front of strut tower.
(Fig 0.2)
For vehicles with Auto-ride or Magnetic-ride
Part#: SMX-725M
ONLY
FIG. 1-1
FIG. 0-1
FIG. 1-2
7. View upper strut frame tower.
NOTICE:
Wire loom attachment clip locations. Pry closely
upward on plastic retainers to free from mounting stud
threads, as these will be reused later.
8. Use an 18mm wrench to remove 3 tall tower nuts
in triangle arrangement. DO NOT REMOVE CENTER
STRUT PISTON SHAFT NUT!
9. Slide lower strut inward off of lower control arm.
NOTICE:
Wire loom attachment clip locations. Pry closely
upward on plastic retainers to free from mounting stud
threads, as these will be reused later.
10. Hold strut and pry down on sway bar with pry bar
which will lower the control arm allowing for remov-
al of the strut. Gently lower strut assembly down-
ward 1 to 2 inches. Guide strut assembly up and in
between the upper A-Arm. Be sure to clear inner CV
boot.
11. Select number of shims to be installed in place on
top of strut mount. See “Lift Option Height Chart” on
next page.
*Spacer Thickness is not directly proportional to lift height. Spacer thickness is
less than overall lift amount height.
STRUT MOUN T
EXTENDE R
(3/4” Thick)
SHIM
INCLUDED PARTS
0.25”
0.5”
0.75”
1.0”
1.5”
1.75”
2.0”
2.25”
2.5”
LIFT OPTION HEIGHT CHART
FIG. 0-2
