How do you replace the upper control arm?
Remove the upper control arm by removing the nuts on the engine side of the arm holding it to the frame. Use a wrench for this, but as the bolts are loosened, keep the alignment shims together that are behind each nut. It will be necessary to replace these on the side they were removed from for the alignment.
How do you remove nut from lower control arm?
Remove the nut using a 14mm or 15mm wrench or socket. There could be a mini taper fit for this connection so you may need to shock it loose much like the ball joint. Grasp the sway bar link and remove it away from the lower control arm mount. This will help the sway bar link stay out of the way during the job.
How do you remove bushing from lower control arm?
Position the lower control arm into a hydraulic press using a press cone and cup to force the bushing from the arm. There will be an audible “pop” when the bushing starts to move. Continue pressing the bushing until fully it is removed from the arm.
How do you remove a cotter pin on an upper control arm?
After removing the cotter pin (if equipped) use a 18mm wrench to loosen the ball joint nut about 3 turns. Do not remove the nut completely because it will protect the upper ball joint threads during removal.
How do you remove an upper control arm?
Position a floor jack under the lower ball joint or control arm to relieve downward pressure on the suspension components. This will enable you to remove the upper control arm without pressure bearing down on the arm. You might need to remove any small wiring or brake flex hose clips to free up the arm for removal.
How do you install a new control arm?
Install the new control arm in the reverse order of removal. Bolt up the cradle side of the control arm then bolt the ball joint into the hub, making sure to push it in as far as required before tightening the bolt. Reinstall the wheel and lower the vehicle once the control arm is properly secured.
How to replace upper control arm on a Lexus suspension?
Now its time to test it all and make sure it fits, if it doesn’t make note of which bearing and/or bushing has to go in/out and the distances, don’t worry this doesn’t take long. You have to torque the bolts when putting them all in. The two control arm bolts take 121 ft-lbs, the ball joint nut takes 80 ft-lbs, and the bolt for the shock takes 136.
Where is the lower control arm located on a car?
The front lower control arm is attached at its inner end to the engine or suspension cradle by rubber bushings and at the outer end by a ball joint to the wheel hub.
What happens when your upper control arm goes bad?
The steering wheel may start pulling to the left or right if you have a bad upper control arm. This can make it difficult to drive straight because you’ll have to use more force to control the steering wheel. As the upper control arm gets worse, it will require even more strength to keep the vehicle straight.
How to replace your pitman arm or steering arm?
Lower the truck down on the jack stand and remove the wheel. You have to remove the big nut that holds the Pitman arm to the steering box. In this case, it was a 1-5/16 nut that was torqued to 180 ft lbs. I used a 3/4″ drive socket and a big mother breaker bar. I was all ready for a battle, and it turned out that the nut was hardly tight at all.