CRANKSHAFT, MAIN BEARINGS, FLYWHEEL & CRANKCASE
Hold the crankshaft towards the rear of the
engine and check the clearance across the
bearing split. If the clearance is more than
specified, replace the rear main bearing
with a new one.
With the feeler gauge in place, tighten the
rear main bearing cap to 155 Nm (115 Ibf-
Remove the feeler gauge and wedging tool.
Pull the connecting rods down onto the
crankshaft. Be sure that the bearings are in
Install the connecting rod bearings and
bearing caps. Make sure that the correct
cap is located on its rod and that the
identifying numbers are on the intake
manifold side of the engine.
Oil the bearings with clean engine oil.
Torque the connecting rod bolts to 175 Nm
Recheck the connecting rod end clearance as
described in Section 5.
Install a new rear oil seal as outlined.
Inspect the oil seal bore for a chamfer. If
no chamfer is found, use a file to break the
edge of the bore. This will prevent possible
damage to the oil seal casing during
CAUTION: Care should be taken not to
damage the bore while filing the chamfer
Prior to wear sleeve and oil seal installation,
clean the bore and crankshaft of all foreign
Use the wear sleeve and oil seal installing
tool (see tool list for tool number) as shown
in Fig. 31.
Figure 31. - Wear Sleeve and Oil Seal Installer
Allen head screws
If the oil seal and wear sleeve are NOT unitized
(preassembled), assemble seal to sleeve prior to
installing onto crankshaft as follows:
Clean and lubricate single lip seal with grade 251
H-EP grease or clean engine oil.
Fill double lip seal with grade 251H-EP grease at
cavity between lips.
Assemble seal onto sleeve as shown in Fig. 32
by pushing the seal in the direction of the arrow.
NOTE: Seal must be installed onto side of sleeve
with chamfer on O.D. (2, Fig. 32) to avoid damage to
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