GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1997 🢒 Century 🢒 Engine 🢒 Engine Mechanical - 3.1L and 3.4L 🢒 Crankshaft Rear Oil Seal Replacement

Removal Procedure
  1. Remove the transaxle. Refer to Automatic Transaxle On-Vehicle Service.
  2. Remove the flywheel. Refer to Engine Flywheel Replacement .
  3. Remove the crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Removal .

Installation Procedure
  1. Install the crankshaft rear oil seal. Refer to Crankshaft Rear Oil Seal Installation .
  2. Install the flywheel. Refer to Engine Flywheel Replacement .
  3. Install the transaxle. Refer to Automatic Transaxle On-Vehicle Service.