C 3500 HD Truck 2WD V8-6.5L DSL Turbo VIN F (2001)
Seals and Gaskets: Service and Repair
Pinion Seal
Drive Pinion Flange/Yoke and/or Oil Seal Replacement
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Tools Required
-
J8614-01 Flange and Pulley Holding Tool
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J41696 Pinion Seal Installer
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 the vehicle. Refer to Vehicle Lifting.
2. Disconnect the propeller shaft from the rear axle pinion yoke.
3. Install the J8614-01 as shown.
4. Remove the pinion nut while holding the J8614-01.
5. Remove the washer.
6. Install the J8614-2 (2) and the J8614-3 (3) into the J8614-01 (1) as shown.
7. Remove the pinion yoke by turning the J8614-3(3) clockwise while holding the J8614-01 (1).
Use a container in order to retrieve the lubricant.
8. Remove the pinion oil seal. Use a suitable seal removal tool. Do not damage the axle housing.
Installation Procedure
1. Apply a light coat of axle lubricant (GM P/N 12346140 or equivalent) to the lip of the pinion seal.