159645-4120 ZEXEL 9 413 614 458 BOSCH PRESTROKE ACTUATOR 9413614458 1596454120 227102260a

Start By:a. remove engine and transmissionb. remove oil pumpc. remove crankshaft rear seal 1. Fasten the engine to tool (A) at the flywheel end as shown.2. Remove bridge (1) and the seals. 3. Remove rear main bearing cap (2). Be sure the location is marked on the main bearing cap before it is removed. The stamped location number is toward the camshaft. 4. Remove upper bearing half (3) with an approved bearing removal tool.
Do not turn the crankshaft in a counterclockwise direction because the tab of the bearing can be pushed between the crankshaft and the engine block. This will cause damage to the crankshaft and engine block.
5. Turn the crankshaft clockwise, as seen from the flywheel, to remove bearing upper half (3). 6. Remove bearing lower half (4) from rear main bearing cap (2). 7. Put the bearing upper half (3) in position on the crankshaft, and use the removal tool to rotate the bearing into position. Turn the crankshaft in a counterclockwise direction to engage bearing tab with the engine block. 8. Install the bearing lower half in the main bearing cap.9. Put a piece of Plastigage (5) across the crankshaft main bearing face. Install main bearings dry when the clearance checks are made. Put clean engine oil on the main bearings for final assembly.10. Put the main bearing cap in position. Put clean engine oil on the threads of the main bearing cap bolts, and tighten them finger tight.11. Tighten the main bearing cap bolts to a torque