DISASSEMBLY AND ASSEMBLY
CRANKSHAFT MAIN BEARINGS
Put clean engine oil on thrust plates (5) and
install them on each side of the center main
bearing with the grooves in the plates against the
Put clean engine oil on bearings (7) and put
bearing caps (6) in position and tighten the bolts
as in Step 3.
Each counterweight has a number and must be
installed in the same position as the correct number
on the crankshaft mounting pad to prevent damage
to the crankshaft when the engine is run. Also do
not use an impact wrench to tighten the bolts the
additional 120 5 of a turn more.
Make sure the dowels are in position and install
counterweights (8) on the crankshaft.
2P2506 Thread Lubricant on the bolts and
tighten them evenly to a torque of 50 5 Nm
(37 + 4 lb.ft.). Then tighten the bolts 120 5 of
a turn more.
Check the crankshaft end play with tooling (C).
The end play is controlled by the thrust plates on
the center main bearing. End play with new
bearings must be 0.15 to 0.50 mm (.006 to .020
Fill the engine with oil to the correct level.
a) install piston cooling jets