Rear Axle Bearing & Oil Seal (Semi-Floating Axle): Installation
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 1999 Pontiac Montana, 1999 Oldsmobile Silhouette, 1999 Oldsmobile Bravada, 1999 GMC Yukon, and 1999 GMC Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- Lubricate bearing with gear lubricant. Using handle and bearing installer, install bearing in axle housing until bearing installer bottoms against shoulder of axle housing.
- Using seal installer, install seal until even with surface of axle housing. Lubricate seal lips with gear lubricant. Install axle shaft and "C" lock. See Figure and Fig 1 . Pull axle shaft outward to ensure "C" lock seats in side gear.
- Install pinion shaft. Install NEW pinion shaft lock bolt. Tighten lock bolt to 25 ft. lbs. (34 N.m). Install differential cover and new gasket. Fill drive axle with gear lubricant.
- Lubricate bearing and seal lips with wheel bearing grease. Fill axle cavity between seal and axle with wheel bearing grease.
- Using Bearing Installer (J-23690) on 8 1/2" and 8 5/8" ring gear or (J-29709) on 9 1/2" ring gear, install bearing until installer contacts axle housing. Using Seal Installer (J-21128) on 8 1/2" and 8 5/8" ring gear or (J-29713) on 9 1/2" ring gear, install seal until even with axle housing.
- Install axle shaft. DO NOT damage seal. Ensure splines on axle shaft engage with splines on side gear. To install remaining components, reverse removal procedure. Ensure "C" lock is fully seated or positioned in thrust block. See Figure and Figure .
- Install pinion shaft. Apply Loctite No. 242 to pinion shaft lock bolt threads and tighten to specifications. See TORQUE SPECIFICATIONS . Install differential cover and new gasket. Fill axle with gear lubricant.