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Home >> BMW >> 1976 >> 3.0Si Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 3.0 Liter & 530I 6 Cylinder >> Rear Main Bearing Oil Seal Replacement

Rear Main Bearing Oil Seal Replacement

NOTE: To replace rear main bearing oil seal in vehicle, transmission must be removed.
  1. Remove clutch and flywheel and drain engine oil. Remove bolts securing oil pan to rear main bearing oil seal mount.
  2. Pry oil pan down at area around seal mount, taking care not to damage gasket. Remove bolts securing seal mount to crankcase and remove mount.
    Fig 1: Installing Rear Main Bearing Oil Seal
    G09335043Courtesy of BMW OF NORTH AMERICA, INC.
  3. Pry out old seal and install new one making sure it is fully seated in mount. Apply Atmosit sealer to junction of oil pan and seal mount. To install mount, reverse removal procedure.