Acura 52210-S9V-A00 Rear Suspension-Knuckle Spindle

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Loosen the drive axle/hub nut. Loosen the wheel lug nuts, raise the vehicle and support it securely on jack stands. Remove the wheel. Remove the brake disc from the hub, the ABS wheel speed sensor from the knuckle, and the brake hose from the strut. Loosen, but do not remove the strut-to-steering knuckle fasteners. Be sure to mark the relationship between the strut and the knuckle before loosening any fasteners. Separate the tie-rod end from the steering knuckle arm. Remove the lock pin for the ball joint castle nut, loosen the castle nut, and then separate the ball joint from the knuckle. Remove the strut-to-knuckle fasteners and discard them. Remove and discard the drive axle/hub nut, then push the drive axle from the hub and support the end with a piece of wire. Separate the steering knuckle from the strut.INSTALLATION: Guide the knuckle and hub assembly into position, inserting the drive axle into the hub. Push the knuckle into the strut flange and install new fasteners, but don't tighten them yet. Connect the ball joint to the steering knuckle and install the nut, but don't tighten it yet. Attach the tie-rod to the steering knuckle arm. Tighten the strut fasteners, the ball joint castle nut, and the tie-rod nut to the torque values. Install new cotter and lock pins. Place the brake disc on the hub and install the caliper. Install a new drive axle/hub nut and tighten it securely. Install the wheel and lug nuts. Lower the vehicle and tighten the lug nuts. Tighten the drive axle/hub nut. Have the front wheel alignment checked and, if necessary, adjusted.

Loosen the rear wheel lug nuts. Raise the rear of the vehicle and support it securely on jack stands. Block the front wheels to prevent the vehicle from rolling. Remove the wheel. If you are removing the rear Steering Knuckle, loosen the drive­ axle/hub nut. UPPER ARM Note: A special tool, available at most auto parts stores, is necessary to separate the upper arm ball joint from the rear Steering Knuckle. Support the lower arm B with a floor jack placed under the coil spring pocket. Remove the lock pin from the castle nut on the ball joint stud. Loosen the nut until there is a small gap between the Steering Knuckle and the nut. Install the ball joint separating tool, being careful not to tear the ball joint grease seal. Note: Apply grease to the portion of the tool that contacts the ball joint grease seal and to the threads of the bolt on the tool. Once the ball joint stud has been released from the Steering Knuckle, remove the castle nut and separate the arm from the Steering Knuckle completely. Remove the upper arm-to-sub frame mounting boll, then remove the arm. Installation is the reverse of removal, noting the following points:Tighten the ball joint stud castle nut to the lower torque figure, then, if necessary, tighten it a little more to line up the slots in the nut with the hole in the stud.Install a new lock pin.Raise the lower arm B with a floor jack to simulate normal ride height, then tighten the arm-to-sub frame bolt to the torque.Tighten the wheel lug nuts to the torque. LOWER ARM A Support the lower arm B with a floor jack placed under the coil spring pocket. Remove the lower arm-to-sub frame mounting bolt and the lower arm-to-Steering Knuckle mounting nut and washer. On 2007 Acura MDX models, remove the front trailing arm mounting bolls. Remove the arm from the vehicle. Installation is the reverse of the removal procedure. Be sure to install the washer on the arm-to-Steering Knuckle mounting stud with the concave side facing away from the arm. Before tightening the fasteners to the torque, raise the rear sus­ pension with the floor jack to simulate normal ride height. Tighten the wheel lug nuts to the torque. LOWER ARM B Pilot and MDX models Support the lower arm B with a floor jack placed under the coil spring pocket. Remove the ABS wheel speed sensor harness from the lower arm. Remove the bolt securing the arm to the Steering Knuckle. Slowly lower the floor jack until the coil spring is extended, then remove the coil spring. Mark the relationship of the toe adjuster cam to the sub frame, then remove the pivot bolt and nut from the inner end of the arm. Remove the arm from the vehicle. Ridgeline models Support the lower arm B with a floor jack placed under the shock/coil spring assembly pocket and raise the suspension until it begins to compress. Remove the two nuts/bolts that secure the shock/coil spring assembly to the lower arm B. Remove the Steering Knuckle to lower arm B boll/nut and slowly lower the control arm. Mark the relationship of the toe adjuster cam to the sub frame then remove the pivot boll/nut from the inner end of the lower arm B. Remove the lower arm B from the vehicle. All models Installation is the reverse of removal, noting the following points:Align the mark you made on the toe adjuster cam with the mark on the sub frame.Raise the outer end of lower arm B with a floor jack to simulate normal ride height, then tighten the fasteners to the torque.Tighten the wheel lug nuts to the torque.Have the rear wheel alignment checked and, if necessary, adjusted. TRAILING ARM Remove the parking brake shoe assembly. Unbolt the brake hose and brake line brackets from the trailing arm. Unbolt the parking brake cable brackets. Support the lower arm B with a floor jack placed under the coil spring pocket. Remove the trailing arm-to-Steering Knuckle bolts, then remove the trailing arm-to-chassis mounting bolts. Remove the trailing arm. Installation is the reverse of removal, noting the following points:Tighten all fasteners to the proper torque specifications.It won't be necessary to bleed the brakes unless a hydraulic fitting was loosened.Have the rear wheel alignment checked and, if necessary, adjusted. REAR Steering Knuckle Remove the parking brake shoe assembly. On 4WD models, remove the drive axle/hub nut and discard it. On 2WD models, remove the axle shaft from the hub. On 2007 Acura MDX models, remove the hub and bearing assembly. Unbolt the brake hose bracket from the trailing arm and the brake line bracket from the Steering Knuckle. Remove the ABS wheel speed sensor and harness from the Steering Knuckle, then carefully place it aside. Note: There is no need to disconnect the electrical connector for the sensor. Support the lower arm B with a floor jack placed under the coil spring pocket. Detach the upper arm from the Steering Knuckle. Detach lower arm A from the Steering Knuckle. Detach the trailing arm from the Steering Knuckle. Detach the lower arm B from the Steering Knuckle. On 4WD models, carefully push the drive axle while removing the Steering Knuckle. Use a puller if the drive axle is stuck in the hub. CAUTION: Do not pull on the drive axle because the inner CV joint could separate. Installation is the reverse of removal, noting the following points:Tighten the ball joint stud castle nut to the lower torque figure, then, if necessary, tighten it a little more to line up the slots in the nut with the hole in the stud. Install a new lock pin.Install a new drive axle/hub nut.Raise the lower arm B with a floor jack, then lighten the fasteners to the torque.Tighten the wheel lug nuts to the torque.Tighten the drive axle/hub nut to the torque.