Crankshaft Front Oil Seal Replacement for Chevrolet Express 1999

1. Remove the fan shroud from the radiator. Refer to Fan Shroud Replacement
2. Remove the drive belt from the pulley. Refer to Drive Belt Replacement .
3. Raise the vehicle and support with safety stands.
4. Remove the crankshaft balancer from the crankshaft. Refer to Crankshaft Balancer Replacement .

Important: Use care as not to damage the engine front cover, or the crankshaft when removing this seal.

5. Remove the crankshaft front cover oil seal from the engine front cover.

Tools Required

J 22102 Seal installer

1. Apply a small amount of clean engine oil to the sealing surface of the crankshaft balancer.
2. Apply a small amount of clean engine oil to the inner sealing surface of the oil seal.



3. Use the Install New Engine Front Cover Oil Seal 6.5L to install the crankshaft front cover oil seal.



4. Install the crankshaft balancer to the crankshaft. Refer to Crankshaft Balancer Replacement .
5. Remove the safety stands and lower the vehicle. Refer to Vehicle Lifting and Jacking in General Information.
6. Install the drive belt on the pulleys. Refer to Drive Belt Replacement .
7. Install the fan shroud to the radiator. Refer to Fan Shroud Replacement in Engine Cooling.