GM 22740470 Wheel Hub, Front

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The new bearing can be installed using a bearing installer or a piece of pipe against the outer race.

To remove and install components in the front differential for 4WD systems, follow these steps: Remove the bolts securing the axle tube to the differential carrier and the nuts attaching the tube to its support bracket. Carefully remove the output shaft tube, ensuring no components fall out. Mount the tube in a vise and remove the internal components. Measure and remove the axleshaft bearing using a slide hammer and bearing remover attachment. For installation, install the bearing to the original depth using a bearing driver or socket, then install a new seal and deflector, lubricating the seal lips with grease. Carefully drive in the axleshaft, followed by the internal components. Apply RTV sealant to the tube-to-differential housing mating surface, and install the tube assembly, tightening bolts and nuts to specified torques. Reinstall the driveaxle, front axle shift motor, and fill the differential with lubricant.

The bearings should be adjusted by tightening the adjusting nut to 50 ft-lbs, then backing it off and tightening it hand-tight.

The bearings should be adjusted by tightening the adjusting nut to 50 ft-lbs, then backing it off and tightening it hand-tight.

1. Install the bearing with the square shoulder facing in, using a bearing driver or a socket with an outside diameter slightly smaller than that of the bearing. 2. Install a new seal and deflector, lubricating the lips of the seal with multi-purpose grease. 3. Carefully drive in the axle shaft with a soft-face hammer. 4. Fill the differential with the proper lubricant. 5. Install the driveaxle and differential carrier splash shield. 6. Install the wheel and lug nuts. 7. Lower the vehicle. 8. Tighten the lug nuts to the proper torque specifications. 9. Check for proper operation.

After discarding the oil seal, all components should be cleaned and inspected for wear or damage.

1. Install the bearing with the square shoulder facing in, using a bearing driver or a socket with an outside diameter slightly smaller than that of the bearing. 2. Install a new seal and deflector, lubricating the lips of the seal with multi-purpose grease. 3. Carefully drive in the axle shaft with a soft-face hammer. 4. Fill the differential with the proper lubricant. 5. Install the driveaxle and differential carrier splash shield. 6. Install the wheel and lug nuts. 7. Lower the vehicle. 8. Tighten the lug nuts to the proper torque specifications. 9. Check for proper operation.

To remove and install components in the front differential for 4WD systems, follow these steps: Remove the bolts securing the axle tube to the differential carrier and the nuts attaching the tube to its support bracket. Carefully remove the output shaft tube, ensuring no components fall out. Mount the tube in a vise and remove the internal components. Measure and remove the axleshaft bearing using a slide hammer and bearing remover attachment. For installation, install the bearing to the original depth using a bearing driver or socket, then install a new seal and deflector, lubricating the seal lips with grease. Carefully drive in the axleshaft, followed by the internal components. Apply RTV sealant to the tube-to-differential housing mating surface, and install the tube assembly, tightening bolts and nuts to specified torques. Reinstall the driveaxle, front axle shift motor, and fill the differential with lubricant.

To remove the hub assembly from a vehicle, first loosen the front wheel lug nuts and raise the vehicle on jackstands. Remove the wheel and, if working on a 4WD model, remove the hub cover and unscrew the driveaxle/hub nut with a socket and large breaker bar. Remove the brake disc and wheel speed sensor from the hub, then remove the hub retaining bolts from the steering knuckle and remove the disc shield. Finally, remove the hub from the steering knuckle, tapping it from side to side if necessary. To install a new hub assembly, clean the mating surfaces on the steering knuckle, bearing flange, and knuckle bore. Insert the hub and bearing assembly into the steering knuckle and, on 4WD models, onto the end of the driveaxle. Install the wheel speed sensor, brake disc, caliper mounting bracket, and caliper. On 4WD models, install the driveaxle/hub nut and tighten it to the torque specifications. Finally, install the wheel, lower the vehicle, and tighten the lug nuts to the torque specifications.

Clean the mating surfaces on the steering knuckle, bearing flange, and knuckle bore.

The old bearing can be extracted from the housing using a bearing puller and slide hammer.

After discarding the oil seal, all components should be cleaned and inspected for wear or damage.