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Lift Vehicle and place on axle stands. Remove wheels. Disconnect the lower control arm from the bolts that hold the ball joint, or from the knuckle. Undo the rear two bolts that hold the ''D'' shaped rear bush and the bolt that holds the forward bush. Have it pressed out and replace with new one. Reverse the procedure for installation. While the arm is out check the condition of the ball joints and replace if needed. After assembly have the front wheel alignment checked.
to remove lower control arm bushings you need to remove control arm from vechicle have control arm bushings pressed out.you need to remove disconnect torsion bar,remove shock absorber,disconnect stabilizer bar link, remove axle half shaft, remove the lower ball joint, remove control arm mounting bolts, then remove lower control arm.
Typically these are replaced with a complete lower control arm. What happens is the ball joint is reseeding the lower control arm and rusts. When the old ones pressed out it distorts the opening in the lower control arm. When the new one is pressed in they never fit tight.
Anew lower control arm is very easy to replace.
1. Jack up the vehicle on the sub frame or pinch weld.
2. Remove the pinch bolt that holds the ball joint to the knuckle.
3. Separate the ball joint from the knuckle.
4. Remove the two bolts that secure the horizontal bushing to the sub frame.
5. Remove the single bolt that secures the vertical bushing from the subframe.
6. Remove the lower control arm.
If you have any questions I'll be happy to answer them.
Here are the instruction on how to replace your control arm bushing. please not that there is a special tool needed that you will need to get from you auto parts retailer. you can usually rent these tools.
Turn the control arm over in the arbor press, then position the
arm so that it is supported by the receiver tool MB-990799 as shown.
Position the new bushing into the control arm so it is square
with the bushing hole. Position the installer tool MB-6644-1 or
equivalent on top of the bushing, with the bushing setting in the
recessed area of the installer tool. Press the bushing into the control
Press the control arm bushing
into the control arm until the installer tool squarely bottoms against
the surface of the control arm. When the installer tool squarely bottoms
on the control arm, the bushing is installed in the arm in the correct
Install the tension strut into the strut bushing in the control
arm. Position the tension strut in the control arm with the word FRONT
stamped in the tension strut positioned away from the control arm. With
an open end wrench on the flat of the tension strut to stop the tension
strut from turning. Tighten the NEW tension strut-to-control arm
retaining nut to 110 ft. lbs. (150 Nm).
Install the lower control arm and tension strut back onto the
vehicle. Refer to the Lower Control Arm procedure earlier in this
Control Arm-to-Tension Strut Bushing
To replace the control arm tension strut bushing,
the control arm and tension strut assembly must be removed. The removal
of the bushing requires the use of an arbor press.
Thoroughly lubricate the replacement tension strut bushing,
control arm and installer tool 6644-3 or equivalent with a silicone
By hand, install the tension strut bushing into the large end of
the installer tool. Press the bushing into the installer tool as far as
it will go by hand.
Position the control arm in the arbor press so that the tension
strut hole in the control arm is centered on the receiver tool MB-990799
or equivalent. Position the installer tool with the previously
installed bushing, inside of the tension strut bushing hole in the
control arm. Position the installer tool on top of the tension strut
bushing. Using the arbor press, press the tension strut bushing into the
control arm. As the bushing is being pressed into the arm, a pop will
be heard. When the pop is heard, the installer tool will slightly move
up off the control arm. At this time remove the control arm assembly
from the press and pull the tool MB-6644-3 off of the tension strut
bushing in the control arm.
The control arm must be removed from the vehicle. Then the control arm bushings are pressed in and out with a ball joint press.
Another option is to take the control arm in and have the bushings pressed for you.
Raise and support vehicle.
Remove the steering knuckle.
Remove the bolts fastening the power steering cooler to the front suspension cradle crossmember reinforcement (Fig. 21).
Remove the lower control arm rear bushing retainer bolts located on each side of each lower control arm rear bushing.
NOTE: The bolts fastening the cradle crossmember reinforcement are of three different thread sizes. Note the location of the various sizes.
Remove the bolts attaching the cradle crossmember reinforcement to the front suspension cradle crossmember (Fig. 22). Remove the 2 bolts fastening the reinforcement and rear of cradle crossmember to the body of the vehicle. Remove the reinforcement.
Remove the pivot bolt attaching the front bushing of the lower control arm to the front suspension cradle crossmember.
Remove the lower control arm.
Do not disassemble the upper arm. If the ball joint or bushings are faulty, or the upper arm is damaged, the entire upper arm must be replaced.
Raise and support the vehicle safely.
Remove the front wheels. Support the lower control arm assembly with a floor jack.
Separate the upper ball joint from the steering knuckle using a ball joint separator tool.
Remove the self-locking nuts from the upper arm anchor bolts. Remove the upper arm from the vehicle.
Do not disassemble the upper arm. If the ball joint or bushings are faulty, or the upper arm is damaged, the entire upper arm must be replaced. To install: Use new self-locking nuts when installing the upper arm and strut.
Install the upper control arm assembly into the strut tower.
Connect the upper ball joint.
Install the front wheels and lower the vehicle.
With all four of the vehicle's wheels on the ground, torque the upper control arm nuts to 47 ft. lbs. (65 Nm). Torque the castle nut to 32 ft. lbs. (44 Nm); then, only tighten it enough to install a new cotter pin.
Tighten the wheel nuts to 80 ft. lbs. (110 Nm).
Check and adjust the vehicle's front end alignment.
The bushings on the front lower control arms are replaceable on most models. This procedure requires the use of a press and may be above the skill range of the average driveway enthusiast. It is recommended that this procedure be done by a qualified machine shop if you are not skilled in the proper use of a press.
Remove the lower control arm that is in need of new bushings.
It is recommended that both the left and right lower control arm bushings be replaced at the same time. The vehicles handling may become unstable if there are new bushings on one side of the car and worn ones on the other.
Set up the control arm in a press.
Using a impact socket of the correct length and size, press out the old bushing.
Install the new bushing by slowly using the press to push it into the control arm.
WARNINGExcessive force could cause the bushing to bend or tear so be careful.
Once the bushing is properly seated in the control arm, remove the arm from the press and install it on the vehicle.