Cadillac 25812726 Front Upper Control Arm Assembly

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To remove the upper control arm on a vehicle, first loosen the wheel lug nuts, raise the front of the vehicle, and support it securely on jackstands. Remove the wheel and position a floor jack under the lower control arm to take the spring pressure off the upper control arm. Mark the relationship of the adjusting cams to the brackets on the frame and unbolt the brake hose/wheel speed sensor bracket from the upper control arm. If working on a 4WD model, remove the driveaxle. To disconnect the upper control arm from the steering knuckle, loosen the upper balljoint nut a few turns, install a puller or ball joint separator, and break the ball joint loose from the knuckle. Remove the nut and upper control arm pivot bolts and nuts, noting which way the bolts are installed. To install the new upper control arm, position the arm in the frame brackets and install the bolts and nuts, but don't tighten them yet. Attach the ball joint to the steering knuckle, install a new nut, and tighten it to the torque specifications. The remainder of installation is the reverse of removal. Make sure the marks made prior to disassembly are aligned, then tighten the nuts to the torque specifications. Finally, tighten the wheel lug nuts to the torque specifications and have the front-end alignment checked and, if necessary, adjusted.

The initial steps to remove and install a lower control arm on a vehicle are as follows: Loosen the wheel lug nuts. Raise the vehicle. Support it securely on jackstands placed under the frame rails.

To disconnect the upper control arm from the steering knuckle, follow these steps:Loosen the upper ball joint nut a few turns.Install a puller or ball joint separator.Use the puller or separator to break the ball joint loose from the knuckle.Remove the nut and upper control arm pivot bolts and nuts, noting which way the bolts are installed.

After removing the wheel, you should do the following: Position a floor jack under the lower control arm to take the spring pressure off the upper control arm. Mark the relationship of the adjusting cams to the brackets on the frame. Unbolt the brake hose/wheel speed sensor bracket from the upper control arm. If you're working on a 4WD model, remove the driveaxle.

The initial steps to remove the upper control arm on a vehicle are as follows: Loosen the wheel lug nuts. Raise the front of the vehicle. Support the vehicle securely on jack stands. Remove the wheel.

To install the new lower control arm, follow these steps:Position the arm in the frame brackets and install the bolts and nuts, but don't tighten them yet.

After removing the wheel, you should do the following:Position a floor jack under the lower control arm to take the spring pressure off the upper control arm.

To disconnect the upper control arm from the steering knuckle, follow these steps:Loosen the upper ball joint nut a few turns.Install a puller or ball joint separator.Use the puller or separator to break the ball joint loose from the knuckle.Remove the nut and upper control arm pivot bolts and nuts, noting which way the bolts are installed.

Before removing the lower control arm, you should do the following: Disconnect the stabilizer bar link from the control arm. Remove the shock absorber lower mounting fasteners. If it's a 4WD model, remove the front driveaxle. If working on a model with torsion bar front suspension, remove the torsion bar. Use rope or wire to support the upper control arm and steering knuckle from the top of the shock absorber.

To install the new lower control arm, follow these steps: Position the arm in the frame brackets and install the bolts and nuts, but don't tighten them yet. Attach the ball joint to the steering knuckle. Install a new nut on the ball joint and tighten it to the torque specifications.

To finalize the installation of the lower control arm, follow these steps: Complete the remainder of the installation in reverse order of removal. Be sure to tighten all fasteners to the torque specifications. Install the wheel and lug nuts. Lower the vehicle and tighten the lug nuts to the torque specifications. If working on a model with torsion bar front suspension, check and adjust the ride height. Have the front-end alignment checked and, if necessary, adjusted.

To disconnect the lower control arm from the steering knuckle, follow these steps: Loosen the ball joint nut a few turns. Install a ball joint separator and break the ball joint loose from the knuckle. Remove the nut.

Yes, the control arm comes with the bushings installed.