Engine body - Service procedures
4
8
Fit the thrust washers for the middle main bearing (axial bearing). The washers can only be fitted in one position in the fitting socket.
Check that the ”Front” marking on the connecting rods faces forwards. 9 Fit the big end bearing caps according to the markings and torque-tighten the bolts. Tightening torque: see Workshop Manual, Technical Data for each engine concerned. 10 Fit the oil strainer, delivery pipe and oil pan, see Lubrication system.
Guide for axial bearing
5 Fit the main bearing caps. The middle cap is provided with a recess, which is turned so that it comes over the guide pin. This ensures that the bearing cap is always placed in the correct position in its axial plane. Note the number of the main bearing cap, which indicates positioning. 6
Main bearings, replacement (Crankshaft not removed)
1 Drain the engine oil. Remove the oil pan. 2
Fit the main bearing screws when the threads have been oiled. Tightening torque: see Workshop Manual, Technical Data for each engine concerned.
Release the main bearing screws and remove the main bearing cap with bearing shell. The front main bearing cap can be removed together with the lubricating oil pump.
7
3
Check the axial clearance of the crankshaft (see Workshop Manual, Technical Data for each engine concerned).
Release the injectors so that the engine is easier to rotate.
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