How hard is it to change the lower control arm bushing on a 1998 Buick Century? I printed out the detailed dealer directions from the public library and it says I need to remove the whole lower control arm. Is this really necessary or can I just lower the control arm enough to get the new bushing in place?
I just did this job on my 98 regal, and I own the service manuals also. The lower control arm bushing that usually goes, is the front one. The rear one doesn't usually go, it is horizontally mounted. The front one for some reason is vertical. The control arm must be removed, and put in a vise. The front bushings outer metal sleeve, must be driven out with a chisel. It comes out easily. The new bushing can be tapped in with a hammer. Hope this helps!
I remove bushing bolts, strut bolts link, sensor plug & swivel arm 90 degrees. Then use harbor freight. Portable bench press &appropriate. Drift. No need 2 remove arm. My question. Is placement. (Ie. One up, one down? Flats front2bak-side 2 side & do they make H.P. ones so i dont hve 2 replace them every 6 mo.
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Jack up car and support on the frame just behind the wheel. Remove wheel. from bottom side remove the stabilizer link single bolt style is 13mm or saddle type 15mm remove lower ball joint pinch bolt 15mm with a pry bar then lower control arm can be removed from steering knuckle. then remove both lower control arm bushing bolts 18mm or 21mm ? out it comes.
Below are some pictures and instructions. I do not believe you need to remove the whole steering gear assembly but don't quote me on that. You may have a hard time with the ball joint but guessing you are replacing the whole control arm with a ball joint already installed. That's the easiest way incase you do damage that ball joint. Hope this helps with your project....
To access the upper control arm,
remove the shock absorber and the strut bar. Also, disconnect the sway
bar from the lower control arm, if your particular Ram model is equipped
with it. After that, you can hold the coil spring in place with a
Secure the wheel hub assembly to the chassis using a wire before you
disconnect the upper ball joint. This will prevent damage to the brake
hose. When ready, release the ball joint using a ball-stud loosening
tool (see Resources).
The upper control arm mounts to the chassis with a cam bolt assembly.
Once removed, you can place the control arm on a vise and remove the
bushings using a bushing service tool (see Resources). When installing
the new bushings, do not use any lubricant but make sure the flange on
the bushing end seats properly on the arm bore. Then re-install the
upper control arm. When finished, take your Dodge vehicle to a good shop
to align the front suspension.
Lower Control Arm Bushings
Remove the shock absorber and
strut bar. If your particular model is equipped with a sway bar,
disconnect it from the lower control arm.
Secure the coil spring with a spring compressor and release the lower
ball joint from the wheel/hub assembly using a ball stud loosening tool
Now you can release the lower control arm by removing the rear
mounting bolts. Remove the bushings with a bushing service tool (see
Resources). When installing the new bushings, do not use lubricant and
make sure they seat properly on the control arm bore. Then replace the
lower control arm. When finished, take your Dodge vehicle to a good shop
to align the front suspension
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.
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.
i took the car into Winner ford to see if it was the lower control arm bushing again. i also had the oil changed and part of the oil change service includes the lube service, of which the steering stop bushings were lubed. the noise is gone. i have had the lower control arm replaced once (car had only 1500 miles, now 3300) it had sounded like an old man with arthritus!