Colorado 2WD V8-5.3L (2009)
Seals and Gaskets: Service and Repair
Front Drive Axle
Front Differential Drive Pinion Flange/Yoke, Seal, and Dust Deflector Replacement
Special Tools
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J 8614-01 Flange and Pulley Holding Tool
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J 21128 Axle Pinion Oil Seal Installer
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the engine protection shield (EPS). Refer to Engine Protection Shield Replacement (See: Body and Frame/Frame/Skid Plate/Service and
Repair).
3. Remove the front propeller shaft. Refer to Front Propeller Shaft Replacement (See: Drive/Propeller Shafts, Bearings and Joints/Drive/Propeller
Shaft/Service and Repair/Front Propeller Shaft Replacement).
4. Remove the brake calipers. Refer to Brake Caliper Replacement (See: Brakes and Traction Control/Disc Brake System/Brake Caliper/Service
and Repair/Brake Caliper Replacement).
5. 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
6. Scribe an alignment line between the pinion shaft and the pinion yoke.
