Sierra 1500 4WD V8-5.3L VIN B HO (2006)
3. Install the axle shaft seal using the J 21128 (8.6 inch and 9.5 inch LD axles) or the J 29713 (9.5 inch axle).
4. Drive the tool into the bore until the axle shaft seal bottoms flush with the tube.
5. Install the axle shaft.
6. Install the rear axle housing cover.
7. Install the tire and wheel assembly.
8. Fill the rear axle.
9. Lower the vehicle.
Drive Pinion Flange/Yoke and/or Oil Seal Replacement (All Except 9.75 Inch Axle)
Drive Pinion Flange/Yoke and/or Oil Seal Replacement (All Except 9.75 Inch Axle)
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Tools Required
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J 8614-01 Flange/Pulley Holding Tool
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J 22388 Rear Axle Pinion Oil Seal Installer - Rear (8.6 inch, 9.5 inch axle)
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J 44414 Rear Axle Pinion Oil Seal Installer (10.5 inch, 11.5 inch axle)
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
Important: Observe and mark the positions of all the driveline components, relative to the propeller shaft and the axles, prior to disassembly.
These components include the propeller shafts, drive axles, pinion flanges, output shafts, etc. Reassemble all the components in the exact places in
which you removed the parts. Follow any specifications, torque values, and any measurements made prior to disassembly.
2. Remove the tire and wheel assemblies (8.6 inch, 9.5 inch axles).
3. Remove the rear brake calipers (8.6 inch, 9.5 inch axles).
4. Remove the brake rotors (8.6 inch, 9.5 inch axles).
5. Remove the axle shafts (10.5 inch, 11.5 inch axle).
6. Reference mark the rear propeller shaft (3) to the rear axle pinion yoke (4).
7. Disconnect the propeller shaft from the axle. Wrap the bearing caps with tape in order to prevent the loss of bearing rollers. Support the propeller
shaft as necessary.
