GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Montana 🢒 Engine 🢒 Engine Mechanical - 3.4L 🢒 Crankshaft Rear Oil Seal Replacement

Removal Procedure
  1. Remove the transaxle. Refer to Transmission Replacement in Automatic Transaxle - 4T65-E.
  2. Remove the engine flywheel. Refer to Engine Flywheel Removal .
  3. 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 Installation .
  3. Install the transaxle. Refer to Transmission Replacement in Automatic Transaxle - 4T65-E.