The main bearing caps (5) are
Crankshaft should rotate freely. If
numbered for location. Number one
crankshaft does not rotate freely
starts at front of block, and numbers
check bearing installations and sizes.
face the camshaft side of engine.
5. CHECK CRANKSHAFT END PLAY.
When installed the tangs should both
be on the same side.
a. Position dial indicator as shown and measure
crankshaft (9) end play.
Install bearing caps (5).
Tolerance: min .006 (.15 mm)
max .013 (.33 mm)
Thrust journal bearing (8) does not
have tang or slot. Ensure the number
stamped on main bearing cap (5) is
positioned to the camshaft side of
d. Lubricate main bearing hex capscrew threads
and underside of head with clean engine oil.
e. Using plastic rubber mallet, tap main bearing
caps (5) gently into position. When in place, hex
6. CONNECT PISTON RODS (10).
capscrews (6) can be threaded in by hand (6).
a. Bar crankshaft (9) so rod journal for piston to be
Torque hex capscrews (6) evenly in three steps
installed is at bottom dead center.
in order shown.
First step to 37 ft-lbs (49 Nm)
Second step to 70 ft-lbs
Third step to 110 ft-lbs