Cutting Rear Main Bearing Seal In Cylinder Block; Lnstalling Rear Main Bearing Seal In Cylinder Block - Lincoln Continental 1964 Shop Manual

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marked so that they can be in-
stalled in their original locations.
Remove the connecting rod bearing
caps. Turn the crankshaft until the
connecting rod from which the cap
is being removed is down and remove
the cap. Push the connecting rod and
piston assembly up into the cylinder
11.
Remove the main bearing caps.
12. Carefully lift the crankshaft
out of the block so that the thrust
bearing surfaces are not damaged.
Handle the crankshaft with care
to avoid possible fracture or dam-
age to the finished surfaces.
CLEANING AND INSPECTION
Refer to Part 8-1, Section 3 for
the cleaning and inspection proce-
dures.
REPAIRS
To finish journals, dress minor
imperfections, etc., refer to Part 8-1,
Section 2.
INSTALLATION
1. Remove the rear journal oil
seal from the block and rear main
bearing cap. Remove the rear main
bearing cap to block side seals.
2.
Remove the main bearing in
serts from the block and bearing
caps.
3. Remove
the connecting
rod
bearing inserts from the connecting
rods and caps.
4. If the crankshaft main bearing
journals have been refinished to a
definite undersize, install the correct
undersize bearings. Be sure the bear-
ing inserts and bearing bores arc
clean. Foreign material under the in-
{ serts may distort the bearing and
cause a failure.
Too/-6701 -B
A 1886-A
FIG.
62-lnstalling Rear
Main Bearing Seal in Cylinder Block
PART 8-2-430 V-8 ENGINE
FIG.
63-Cutting Rear
Main Bearing Seal in Cylinder Block
5. Place the upper main bearing
inserts in position in the bores with
the tang fitting in the slot provided.
6. Install the lower main bearing
inserts in the bearing caps.
7. Install a new rear journal oil
seal in the block (Fig. 62) . After
installation, cut the ends of the
seals flush (Fig. 63). It is very im-
portant that the seal be cut flush
with the surface of the cylinder
block. This prevents rough edges
which may project from the
groove and lodge between the
bearing cap and cylinder block.
8. Carefully lower the crankshaft
into place. Be careful not to dam-
age the bearing surfaces. Install
the Woodruff key in th.e crankshaft.
Install the crankshaft sprocket (Fig.
34) with the timing mark facing the
front of the car.
9. Check the clearance of each
main bearing as follows:
Place a piece of Plastigage on the
crankshaft journal the full width of
the journal and about
1;4
inch off-
center. Follow steps 10 and 11 under
"Main Bearing Replacement."
10. After the bearings have been
fitted, apply a light coat of engine
oil to the journals and bearings. In-
stall new seals in the rear main bear-
ing cap and install the rear main
bearing cap by following steps 15
thru 19 under "Main Bearing Re-
placement." Install all the bearing
caps, except the thrust bearing cap
(No. 3 bearing). Be sure that the
main bearing caps are installed in
their original locations. Torque the
hearing cap bolts to specifications.
11. Install the thrust bearing cap
with the bolts finger-tight.
8-47
.I
12. Pry the crankshaft forward
against the thrust surface of the
upper half of the bearing (Fig. 64).
13. Hold the crankshaft forward
and pry the thrust bearing cap to the
rear (Fig. 64). This will align the
thrust surfaces of both halves of the
bearing.
14. Retain the forward pressure
on the crankshaft. Tighten the cap
bolts to specifications (Fig. 64).
15. Force the crankshaft toward
the rear of the engine.
16. Install a dial indicator so that
the contact point rests against the
crankshaft flange and the indicator
axis is parallel to the crankshaft axis
(Fig. 65).
17. Zero the dial indicator. Push
the crankshaft forward and note the
reading on the dial.
18. If the end play exceeds the
wear limit, replace the thrust bear-
ing. If the end play is less than the
minimum limit, inspect the thrust
bearing faces for scratches, burrs,
nicks, or dirt. If the thrust faces are
not defective or dirty, they probably
were not aligned properly. Install the
thrust bearing and align the faces
following the recommended proce-
dure (steps 11, 12, 13 and 14), then
check the end play.
19. Install new bearing inserts in
the connecting rods and caps. Check
the clearance of each bearing fo11ow-
ing the procedure under "Main Bear-
ing Replacement."
20.
After the connecting rod bear-
ings have been fitted, apply a light
coat of engine oil to the journals and
bearings.
21. Turn the crankshaft throw to
the bottom of its stroke. Push the
piston all the way down until the rod
bearing seats on the crankshaft
journal.
22. Install the connecting rod cap.
Torque the nuts to specifications.
23. After the piston and connect-
ing rod assemblies have been in-
stalled, check the side clearance be-
tween the connecting rods on each
connecting rod crankshaft journal
(Fig. 41).
24. Clean the oil pan, oil pump
and oil pump screen. InstaJI the oil
pump and oil pan.
25. Position the flywheel on the
crankshaft. Install the retaining bolts.
Torque the bolts to specifications.
26. Invert the engine on the work
stand. Install the timing chain, cam-
shaft sprocket, wear plate, fuel pump
eccentric, drive bushing and lock
plate by following steps 2 thru 4 un-