Avalanche 4WD V8-5.3L (2011)
Pinion Bearing: Service and Repair
Differential Drive Pinion Gear Bearing Replacement (8.6 Inch Axle)
Differential Drive Pinion Gear Bearing Replacement
Special Tools
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DT 47688 - Pinion Bearing Remover
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J 8092 - Universal Drive Handle 3/4 in-10
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J 8611-01 - Pinion Bearing Cup Installer
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J 22828 - Input Shaft Gear Installer
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J 22912-B - Bearing Puller
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J 36614 - Inner Pinion Bearing Installer
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J 45870 - Inner Pinion Bearing Race Installer
Disassemble Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle See: Maintenance/Vehicle Lifting/Service and Repair.
2. Remove the differential assembly. Refer to Differential Replacement .
3. Remove the differential drive pinion gear. Refer to Drive Pinion and Ring Gear Replacement .
4. For the 8.6 inch axle, use the DT 47688 - remover and a press remove the drive pinion bearing and the spacer.
5. For the 9.5LD inch axle, use the J 22912-B - puller and a press to remove the drive pinion bearing.
