GM 19259596 Front Wheel Bearing (W/ Whl Spd Sen) <See Guide/Bfo>

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To remove the front suspension on all models except for 2010 and later models with RPO GNB, start by loosening the driveaxle/hub nut and the wheel lug nuts. Then, raise the front of the vehicle and support it securely on jackstands. Remove the wheel and, if equipped, disconnect and detach the ABS wheel speed sensor electrical connector. Remove the driveaxle/hub nut and the brake caliper, caliper mounting bracket, and brake disc from the hub. Next, remove the hub/bearing assembly mounting bolts from the back of the steering knuckle and discard them. Use a puller if necessary to draw the hub and bearing assembly off if the driveaxle splines stick in the hub. For installation, ensure that the mounting surface inside the steering knuckle and on the driveaxle splines is smooth and free of burrs and nicks. Lubricate the driveaxle splines with multi-purpose grease and install the hub and bearing assembly onto the driveaxle and into the steering knuckle until it is fully seated. Use new mounting bolts to secure the hub/bearing assembly to the steering knuckle and tighten them to the specified torque. If applicable, connect the wheel speed sensor harness connector and secure it to its bracket. Install the driveaxle/hub nut without fully tightening it yet. Then, install the brake disc, caliper mounting bracket, and caliper, tightening the fasteners to the specified torque. Install the wheel and lug nuts, remove the jackstands, and lower the vehicle. Finally, tighten the driveaxle/hub nut and lug nuts to the specified torque. For 2010 and later models with RPO GNB front suspension, follow the same initial steps of loosening the driveaxle/hub nut and wheel lug nuts, raising the front of the vehicle, and supporting it on jackstands. Remove the wheel and then remove the front suspension yoke and steering knuckle assembly. Remove the hub and bearing assembly mounting bolts from the back of the steering knuckle and discard them. To install the hub and bearing assembly, attach it to the knuckle and use new bolts to secure it, tightening them to the specified torque. Then, install the front suspension yoke and steering knuckle assembly.

Start by loosening the rear wheel lug nuts and blocking the front wheels.

The first step is to loosen the lug nuts.

The caliper should be hung with a piece of wire to avoid damaging the brake hose.

To remove the hub and bearing assembly, start by applying the parking brake and blocking the rear wheels to prevent the vehicle from rolling. Then, remove the hubcap or wheel cover and loosen the driveaxle/hub nut. Next, loosen the wheel lug nuts, raise the front of the vehicle, and support it securely on jackstands. Remove the wheel and the brake caliper, and hang it out of the way with a piece of wire. Disconnect the ABS speed sensor electrical connector. Remove the driveaxle/hub nut by inserting a prybar through the caliper inspection window and into the cooling vanes of the brake disc to hold the hub stationary while removing the nut. Pull the brake disc off the hub. Attach a puller to the hub flange and tighten it just enough to push the driveaxle in a little, breaking loose the splines from the hub. Remove the hub retaining bolts, either through the opening in the hub flange or from the back side of the steering knuckle. Wiggle the hub and bearing assembly back and forth and pull it out of the steering knuckle, along with the brake disc shield if equipped. If the hub and bearing assembly are being replaced with a new one, it is recommended to replace the dust seal in the back of the steering knuckle. To replace the seal, disconnect the stabilizer bar and the balljoint from the control arm and pull the steering knuckle and strut assembly off the driveaxle stub shaft. Pry the seal out of the knuckle with a screwdriver. To install the new hub and bearing assembly, drive the new dust seal into the knuckle, if removed, and install a new o-ring around the rear of the bearing. Clean the mating surfaces on the steering knuckle, bearing flange, and knuckle bore. Lubricate the outside diameter of the bearing and the seal lips with high-temperature grease and insert the hub and bearing into the steering knuckle. Position the brake disc shield, if equipped, and install the three bolts. Install the driveaxle, if removed, and attach the control arm to the steering knuckle, if separated. Install the brake disc and caliper, and reconnect the ABS speed sensor electrical connector. Finally, install the driveaxle/hub nut, the wheel, and lower the vehicle. Tighten the lug nuts and the driveaxle/hub nut to the specified torque.

To install the new hub and bearing assembly, drive the new dust seal into the knuckle, if removed, and install a new o-ring around the rear of the bearing. Clean the mating surfaces on the steering knuckle, bearing flange, and knuckle bore. Lubricate the outside diameter of the bearing and the seal lips with high-temperature grease and insert the hub and bearing into the steering knuckle. Position the brake disc shield, if equipped, and install the three bolts.

The rear brake caliper, mounting bracket, and brake disc need to be removed.

The hub and bearing assembly can be removed by rotating the hub to align one of the holes in the flange with each of the mounting bolts and then removing the bolts.

To remove the hub/bearing assembly, start by loosening the wheel lug nuts and raising the front of the vehicle on jackstands. Remove the wheel and disconnect the ABS wheel speed sensor electrical connector, if applicable. Take off the driveaxle/hub nut and then remove the brake caliper, caliper mounting bracket, and brake disc from the hub. Next, remove the hub/bearing assembly mounting bolts from the back of the steering knuckle and discard them. Finally, remove the hub/bearing assembly from the steering knuckle. To install the hub/bearing assembly, ensure that the mounting surfaces are smooth and free of any damage. Lubricate the driveaxle splines with multi-purpose grease and then fully seat the hub/bearing assembly onto the steering knuckle. Use new mounting bolts to secure the assembly to the knuckle, tightening them to the correct torque specifications. For ABS-equipped vehicles, connect the wheel speed sensor harness connector and secure it to its bracket. Install the brake disc, caliper mounting bracket, and caliper, tightening the fasteners to the proper torque values. Install the driveaxle/hub nut and tighten it to the correct torque specifications. Finally, install the wheel and lug nuts, remove the jackstands, and lower the vehicle. Tighten the lug nuts to the proper torque specifications.

Reverse the removal steps, making sure to install the hub and bearing in the correct direction for the ABS wheel speed sensor electrical connector if applicable.

Remove the rear wheels.

It is 1 wheel bearing assembly per order