GM 15801500 Front Drive Axle Inner Shaft

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To remove a semi-floating axle shaft, first loosen the rear wheel lug nuts and raise the vehicle on jackstands. Drain the differential lubricant and remove the differential cover. Remove the pinion shaft lock screw and withdraw the pinion shaft. For models with a locking differential, rotate the differential until the shaft touches the case for access to the C-locks. Remove the C-lock from the groove on the inner end of the axleshaft and withdraw the shaft, being careful not to damage the oil seal. To install, insert the axleshaft into the housing until it engages with the differential side gear, install the C-lock, and insert the pinion shaft. Install the cover, fill the differential with lubricant, and install the brake disc or drum. For a full-floating axle shaft, remove the bolts attaching the flange to the hub and withdraw the shaft from the housing. To install, hold the axleshaft level to engage the splines and use a new gasket on the flange. Tighten the flange bolts to the proper torque specifications.

The inner ends of the driveaxles are bolted to an axleshaft connected to the differential side gears.

To remove and install components in the front differential for AWD systems, follow these steps:Remove the stabilizer bar link and, if applicable, the front shock absorber.

The vehicle has a hypoid, semi-floating type rear axle assembly.

No, overhauling the differential requires special tools and is not cost-effective for a do-it-yourselfer.

To remove a full-floating axle shaft, you need to remove the bolts attaching the flange to the hub and withdraw the shaft from the housing.

Before installing the driveaxle, the splines on the stub shaft should be lubricated with multi-purpose grease.

The driveaxle/hub nut (new) and the flange bolts should be tightened to the torque values specifications during installation.

For leaf spring models, the spring U-bolts should be disconnected, followed by removing the springplates. Then, the jack can be lowered under the differential to remove the rear axle assembly.

To remove and install components in the front differential for AWD systems, follow these steps: Remove the stabilizer bar link and, if applicable, the front shock absorber. Unbolt the right driveaxle from the axleshaft flange, supporting it properly. Support the differential carrier with a floor jack and a block of wood. Remove nuts attaching the axle shaft to its support bracket and the bolts securing the axle shaft flange to the differential carrier. Use a brass punch and hammer to separate the axle shaft from the differential case side gear. Remove the inner axle shaft assembly and axle shaft. Replace the inner seal and bearing with a special tool, then apply RTV sealant to the differential sealing surface and install the inner axle shaft housing assembly. Install the axle shaft to the support bracket and align the splines with the differential side gear. Tap the axle shaft with a mallet until the ring (clip) aligns with the groove in the differential case side gear. Install the axle shaft to the inner flange and tighten the bolts. Reinstall the stabilizer link, fill the differential with lubricant, install the differential carrier splash shield, and finally, install the wheel and lug nuts. Lower the vehicle, tighten the lug nuts, and check for proper operation.

To remove the semi-floating axle shaft, you need to remove the C-lock from the groove on the inner end of the axleshaft and withdraw the shaft, being careful not to damage the oil seal.

It is also important to check the driveaxle shafts for cracks, dents, and distortion.

To install a full-floating axle shaft, you should hold the axleshaft level to engage the splines and use a new gasket on the flange. Finally, tighten the flange bolts to the proper torque specifications.

It is also important to check the driveaxle shafts for cracks, dents, and distortion.

If the vehicle has a differential carrier splash shield, it should be removed after removing the driveaxle/hub nut.

For leaf spring models, the spring U-bolts should be disconnected, followed by removing the springplates. Then, the jack can be lowered under the differential to remove the rear axle assembly.

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.

After raising the vehicle and supporting it on jackstands, a jack should be positioned under the rear axle differential housing.

No, overhauling the differential requires special tools and is not cost-effective for a do-it-yourselfer.

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.

After installing the rear axle assembly, the brakes should be bled, the wheels and lug nuts should be installed, and the vehicle should be lowered. Finally, the lug nuts should be tightened to the proper torque specification.

The initial steps are to loosen the wheel lug nuts, raise the front of the vehicle, and support it securely on jackstands.

Yes, there is an optional locking limited-slip rear axle available.

It is also important to check the driveaxle shafts for cracks, dents, and distortion.