GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Engine 🢒 Engine Mechanical - 3.9L 🢒 Crankshaft Rear Oil Seal Replacement

Removal Procedure
  1. Remove the flywheel. Refer to Engine Flywheel Replacement.
  2. Remove the crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Removal.

Installation Procedure
  1. Install the rear main seal. Refer to Crankshaft Rear Oil Seal Installation.
  2. Install the engine flywheel. Refer to Engine Flywheel Replacement.