Sierra Classic 2500 4WD V8-6.0L (2007)
9. Once the specified torque is obtained, rotate the pinion several times to ensure the bearings have seated. Recheck the rotating torque and adjust if
necessary.
10. Install the propeller shaft (3) to the pinion yoke (4). Align the reference marks made during removal.
11. Install the propeller shaft yoke retaining clamps and the bolts.
Tighten the propeller shaft yoke retaining clamp bolts to 25 Nm (18 ft. lbs.).
12. Install the axle shafts (10.5 inch, 11.5 inch axle). Refer to Rear Axle Shaft and/or Gasket Replacement.
13. Install the brake rotors (8.6 inch, 9.5 inch axles). Refer to Rear Brake Rotor Replacement.
14. Install the brake calipers (8.6 inch, 9.5 inch axles). Refer to Rear Brake Caliper Replacement.
15. Install the tire and wheel assemblies.
16. Inspect and add axle lubricant to the axle housing, if necessary. Refer to Rear Axle Lubricant Level Inspection.
17. Lower the vehicle.
Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle W/Drum Brakes)
Drive Pinion Flange/Yoke and/or Oil Seal Replacement (8.6 Inch Axle w/Drum Brakes)
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
Removal Procedure
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.
1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Remove the wheels and tires.
3. Remove the rear brake drums. Refer to Brake Drum Replacement.
4. Reference mark the rear propeller shaft (3) to the rear axle pinion yoke (4).
5. 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.
