Engine Disassembly (0-01) Section 0 - Engine Disassembly and Assembly - Group 00 M11 Page 0-46 Crankshaft and Upper Main Bearing Shells - Removal The component weighs 23 kg [50 lb] or more. To avoid personal injury, use a hoist or get assistance to lift the component. Lift the crankshaft straight up to avoid damage to the crankshaft or cylinder block. Install nylon lifting sling, Part No. 3375957, around the number and rod bearing journals. Attach the sling to a hoist and remove the crankshaft. Use both thumbs to remove the upper bearing shells. Mark these bearing shells with the journal number they were removed from in the flat surface of the bearing tang.
Do not mark on the bearing to crankshaft mating surface. Damage to the engine can result if the bearings are used again. Main Oil Pressure Regulator - Removal Warning: Use caution while removing the retainer plug (1). The pressure regulator spring (2) is under compres- sion. Wear face and eye protection. Remove the retainer plug (1), the pressure regulator spring (2) and plunger (3). Viscosity Sensor - Removal Remove the viscosity sensor with a 7/16 inch socket, an extension and ratchet.