Envoy 4WD V8-5.3L (2007)
Pinion Flange: Service and Repair
Front Drive Axle
Front Differential Drive Pinion Flange/Yoke, Seal, and Dust Deflector Replacement
Tools Required
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J 8614-01 Flange and Pulley Holding Tool
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J 33782 Pinion Oil Seal Installer
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the engine protection shield. Refer to Engine Protection Shield Replacement.
3. Drain the drive axle. Refer to Front Axle Lubricant Replacement.
4. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement.
5. Remove the rear steering gear crossmember. Refer to Rear Steering Gear Crossmember Replacement.
6. Measure the torque required in order to rotate the pinion. Use an inch-pound torque wrench. Record the torque value for reassembly. This will
give the combined preload for the following components:
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The pinion bearings
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The pinion seal
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The carrier bearings
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The axle bearings
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The axle seals
7. Scribe an alignment line between the pinion shaft and the pinion yoke.
