Q: How to replace and install the front Wheel Bearing and Wheel Seal of 4WD Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: To remove the left side of a vehicle, first loosen the wheel lug nuts, raise the vehicle, place it securely on jackstands, and remove the left front wheel. Then, remove the differential carrier splash shield from under the front axle and the left driveaxle. Drain the lubricant from the front differential and pull the left Axle Shaft out with a slide hammer and adapter. Remove the deflector and seal from the differential and remove the bearing using a slide hammer and bearing remover attachment. To install the left side, first 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. Then, install a new seal and deflector, lubricating the lips of the seal with multi-purpose grease. Carefully drive in the axle shaft with a soft-face hammer and fill the differential with the proper lubricant. Install the driveaxle and differential carrier splash shield, then install the wheel and lug nuts. Lower the vehicle, tighten the lug nuts to the proper torque specifications, and check for proper operation.
Q: How to remove and install a rear hub assembly,Wheel Bearing and Wheel Seal for Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: To remove and install a rear hub assembly, first remove the axleshaft and rear wheels, then remove the brake disc and retaining ring/key from the end of the axle housing. Use a special socket to remove the adjusting nut and pull the hub assembly straight off the axle tube. Discard the oil seal and clean and inspect all components for wear or damage. Disassemble the hub further if necessary, then clean and reassemble using new bearing cups and lubricating with wheel bearing grease. To install, place the hub assembly on the axle tube and adjust the bearings by tightening the adjusting nut to 50 ft-lbs, then backing it off and tightening it hand-tight. Install the key and retaining ring, and ensure there is no play in the hub assembly before reinstalling the axleshaft and lowering the vehicle.
Q: How to replace rear oil seal from the end of an axle housing on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: To remove the oil seal from the end of the axle housing, remove the Axle Shaft. Then, use a pry tool to remove the oil seal. Apply a film of multi-purpose grease to the oil seal recess and install the new seal evenly with a hammer and seal installation tool. The oil seal should be aligned with the axle housing. Finally, install the axle shaft.