Envoy 4WD V6-4.3L VIN W (1998)
Seals and Gaskets: Service and Repair
Front Drive Axle
REMOVAL PROCEDURE
1. Remove the drive pinion yoke.
IMPORTANT: Observe and reference mark the positions of all the driveline components, relative to the propeller shaft and axles, prior to
disassembly. Reassemble all the components in the exact relationship to each other as the parts were when these parts were removed. You must
follow any specifications and torque values, and any measurements made prior to disassembly.
2. Remove the pinion oil seal with a suitable seal removal tool. Do not damage the carrier.
3. Inspect the seal surface of the pinion yoke for the following conditions:
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Tool Marks
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Nicks
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Damage such as a groove worn by the seal
4. Inspect the carrier bore for burrs that might cause leaks around the outside of the seal.
INSTALLATION PROCEDURE
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Tools Required
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J 33782 Pinion Oil Seal Installer
1. Install the new pinion oil seal using the J 33782.
2. Install the drive pinion yoke.
