LaCrosse V6-3.8L (2009)
Front Crankshaft Seal: Service and Repair
Crankshaft Front Oil Seal Replacement
Tools Required
J 35354-A Seal Installer
Removal Procedure
1. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement (See: Cylinder Block Assembly/Harmonic Balancer - Crankshaft
Pulley/Service and Repair).
Important: Be careful not to damage the crankshaft.
2. Pry out the crankshaft front oil seal with a flat bladed tool such as a large screwdriver. Use care to avoid damaging the crankshaft front oil seal
bore or the crankshaft front oil seal contact surfaces.
3. Inspect the crankshaft balancer and engine front cover for scratches.
Installation Procedure
1. Install the crankshaft front oil seal in the engine front cover using the J 35354-A .
2. Tighten the bolt until the crankshaft front oil seal is seated in the engine front cover.
3. Remove the J 35354-A .
4. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement (See: Cylinder Block Assembly/Harmonic Balancer - Crankshaft
Pulley/Service and Repair).
5. Inspect for leaks.
6. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn (See: Powertrain
Management/Computers and Control Systems/Crankshaft Position Sensor/Service and Repair).
