NOTE
If bearings have been installed
properly, the crankshaft will turn
freely with all of the main bearing
cap bolts or nuts drawn to the
specified torque.
5. Check the crankshaft end play as out-
l i n e d u n d e r "Install Crankshaft" on page
11B-50.
6. install the lubricating oil pump and
t h e oil inlet and outlet pipe assemblies.
NOTE
If shims were used between the
pump and the bearing caps, install
Figure 11B-94. Main Bearing Cap
them in their original positions.
Marking
Then check the oil pump gear
clearance.
Turn all bolts (except the rear
torque.
main
bearing
bolts)
an
additional
110-130 of bolt head rotation s t a r t i n g
with the center bearing cap bolts and
7. Install
the
oil
pan,
using
a
new
working alternately towards both ends of
gasket.
the block.
8. Fill the crankcase to the proper level
on the dipstick with heavy duty lubricat-
NOTE
ing oil of the recommended grade and
viscosity (refer to Section 11H).
An accurate way to determine bolt
head rotation is to paint or perma-
9. After installing new bearing shells,
nently s c r i b e t h e s o c k e t s u s e d
operate the engine on a run-in schedule
with two marks 120 apart (see
as outlined in this section.
After torquing
bolts to 45-55 lb-ft (61-75 Nm) put
a pencil line opposite the first
mark on the socket.
Then rotate
CRANKSHAFT FRONT COVER
the bolt until the next socket mark
lines up with the pencil line.
Strike both ends of the crankshaft two
or three sharp blows with a soft hammer
to insure proper positioning of the rear
main bearing cap in the block saddle.
Turn the rear main bearing cap bolts an
additional
110-130
of
bolt
head
rotation.
If studs and nuts are used,
tighten all nuts (except the rear main
bearing nuts to 155-185 lb-ft (211-251
Nm) torque, starting with the center
bearing cap nuts and working alternately
toward both ends of the block. Tighten
the rear main bearing nuts to 40-50 lb-ft
(54-68 Nm) torque. Strike both ends of
the crankshaft two or three sharp blows
with a soft hammer to insure proper posi-
tioning of the rear main bearing cap in
the block saddle. Re-torque all bearing
Figure 11B-95. Main Bearing Cap bolt
nuts to 155-185 lb-ft (211-251 Nm).
T u r n Torque Method
11B-61
Engine (Less Major Assemblies)
