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1. |
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1A. Raise the vehicle- With the front wheels properly blocked;
raise the rear end of the vehicle as high as safely possible.
Place jack stands on a solid area under the frame of the car,
not the rear end. Remove the wheels at this time. |
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1B. Tip: Place the jack stands slightly forward of the
front control arm mounting bolt or on the mounting plate of
the subframe connectors if you have them. |
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| Step
2. |
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Remove sway bar- Remove the 4 bolts securing the sway bar
using a 15mm wrench or socket. If so equipped, remove the ABS
Sensor cable from the securing bracket that is mounted to the
sway bar bolt. Leave the parking brake bracket on the cable. |
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| Step
3. |
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Raise rear end- Using a floor jack under the center section
of the rear end, raise the rear axle of the vehicle until it
is at ride height. |
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| Step
4. |
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Support rear end- Place jack stands securely under the
axle for support; you will need the floor jack for removing
the control arms. |
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| Step
5. |
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Loosen mounting bolts- Loosen, but do not remove, the
2 control arm mounting nuts.
Tip: It may be necessary to move the mufflers to gain access to the forward
mounting bolts. Simply loosen, but do not remove, the 4 bolts that hold the rear
exhaust pipes to the H-pipe, and disconnect any hangers that hold the rear exhaust
to the body of the vehicle (a little WD40 or equivalent will aid in sliding the
hangers off). Let the exhaust hang over the rear end, total removal from the
vehicle is not needed. |
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5A. Loosen rear mounting bolt |
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5B. Loosen front mounting bolt |
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5C. Loosen exhaust flanges |
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5D. Let exhaust hang over rear axle |
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| Step
6. |
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Remove rear mounting bolt- Note: to ease installation, only
do one side at a time. Placing the floor jack under the rear
of the control arm, carefully raise the jack just until it
is supporting the arm and the tension is removed from the bolt-do
not apply so much pressure that the rear end is raised. Remove
the rear mounting bolt. |
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6A. Support arm with floor jack |
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6B. Remove rear mounting bolt |
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| Step
7. |
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Remove the coil spring- CAUTION: THE COIL SPRING IS UNDER
VERY HIGH PRESSURE AND COULD CAUSE SEVERE DAMAGE OR INJURY
IF EXTREME CAUTION IS NOT USED, it is highly recommended that
a coil spring compressor be used to reduce this risk (free
rental of this tool is available at major auto parts stores).
Ensuring that the floor jack is securely positioned on the
control arm, gently and slowly lower the control arm until
the coil spring is free to be removed. Take note of the positioning
of the lower pigtail of the spring so that it is installed
in the same manner. |
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7A. Slowly lower the jack to remove spring |
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7B. Note location of lower spring tang |
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| Step
8. |
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Remove front mounting bolt- Remove the forward mounting
bolt and remove the stock control arm from the vehicle. |
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| Step
9. |
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Clean & inspect mounting points- Fully inspect all mounting
points and remove any debris. Apply a light coating of the
supplied synthetic grease to all surfaces that will be in contact
with the bushings. At this time, also coat the outside of the
bushings themselves with the same supplied grease.
Tip: If you are using the CHE Heavy duty installation hardware, enlarge the
rear mounting holes (on the rear axle) with a 1⁄2” drill bit and
remove any burrs before proceeding. |
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9A. Clean and inspect mounting points |
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9B. Lubricate mounting points |
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9C.
Lubricate bushing faces |
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9D. Enlarge rear mounting holes (only if using CHE Heavy
Duty Install Hardware) |
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| Step
10. |
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Install forward mounting bolt- With the spring perch towards
the rear of the car and the sway bar mount toward the front,
install the control arm in the forward mount. Install the bolt
with the nut toward the outside of the vehicle, but do not
tighten at this time.
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Tip: Because the new Polyurethane bushings are much firmer
than the stock rubber, it may be necessary to gently persuade
the control arm into the mount using a rubber mallet or other
suitable tool, taking care not to damage the finish. |
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| Step
11. |
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Install coil spring- Place the floor jack under the rear
of the control arm (properly pad the jack saddle to prevent
marring the finish), and install the spring isolators and the
coil spring on the spring perch (do not remove black polyurethane
cap from new control arm) ensuring that the spring is properly
aligned. |
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11A. Install coil spring |
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11B. Insure that upper perch is aligned |
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11C. Tip: A small piece of cardboard will help protect the
new Arm from scratches |
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| Step
12. |
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Install rear mounting bolt- Carefully raise the jack until
the rear mount is aligned, and install the rear mounting bolt
with the nut toward the outside of the vehicle. If the rear
end has moved at any time during the installation, it will
be necessary to maneuver it back into position. |
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| Step
13. |
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Tighten hardware- At this time; tighten both mounting bolts
to 70-80 lb-ft. |
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| Step
14. |
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Install 2nd control arm- repeat this procedure for the other
side. |
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| Step
15. |
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Install sway bar- follow proper procedure below:
1. If re-using stock hardware: because the sway bar will be mounted to the outboard
side of the sway bar mount on the control arm, it is necessary to flip the
j-clips around. Carefully pry them off with a small pry bar or other suitable
tool, and install them with the nut toward the outside of the vehicle. This
procedure will not allow reinstallation of the ABS and parking brake bracket
without significant modification and/or additional hardware. This is the case
for any aftermarket control arms that we are aware of. Install bolts and torque
to 29-37 lb-ft.
2. If using CHE Heavy Duty Hardware: Remove and discard the factory J-clips from
the sway bar. Install the new mounting bolts with the nuts toward the outside
of the vehicle, remembering to re-install the parking brake/ABS sensor bracket.
It may be necessary to trim a small amount from the mounting tab of the parking
brake bracket to insure a good fit. Torque bolts to 29-37 lb-ft. |
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| Step
16. |
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Inspect installation- Inspect the installation, insuring
that suspension is free to travel, and that the ABS Sensor
cable (if so equipped) will not be damaged. It may be necessary
to bend the ABS bracket slightly to achieve proper travel.
At this time, install the wheels and lower the vehicle. |
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