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PART 8-4-302-351 C.I.D. VB ENGINES
8-53
FIG. 23- Removing or Installing Timing
Chain
CRANKSHAFT
FRONT OIL SLINGER
A3252-A
FIG. 24
- Fuel
Pump Eccentric and Front
Oil Slinger
Installed
15.
Position the
water pump pulley
on the water pump
shaft and install
the
drive belts.
16.
Place the fan
shroud
over the
pulley and
install the fan
and
spacer.
17.
Install the
fan shroud attaching
bolts.
18. Adjust
the
drive
belts
to
specifications.
19. Raise
the vehicle.
Remove the oil
pan and
install
new
gaskets and
seals
following
procedures
under
Oil Pan
Removal
and
Installation.
20.
Lower
the
vehicle.
21. Fill the crankcase with the proper
grade and quantity of engine oil Fill and
bleed the cooling system.
22. Connect the battery. Operate the
engine until normal operating temperature
has been reached and check for leaks.
CAMSHAFT
The camshaft and related parts are
shown in Fig. 25.
REMOVAL
1. Drain
the
cooling
system.
Disconnect the upper and lower radiator
hoses at the radiator. If equipped with
automatic transmission, disconnect the oil
cooler lines at the radiator. Remove the
radiator and grille. If equipped with air
conditioning, remove the condenser.
2.
Remove the cylinder front cover,
fuel pump and the timing chain following
the procedure under the Cylinder Front
Cover and Timing Chain Removal.
3. Remove
the
intake
manifold
following the procedure under Intake
Manifold Removal.
4.
Remove the valve rocker arm
covers. Loosen the valve rocker arm
fulcrum bolts and rotate the rocker arms
to the side.
5. Remove the valve push roads and
identify them so that they can be installed
in their original positions.
6.
Using a magnet, remove the valve
lifters and place them
in
a rack so that
they can be installed in their original bores
(Fig. 26);
If the valve lifters are stuck in their
bores by excessive varnish, etc., it may be
necessary
to
use
a
plier-type
tool
or a claw type tool to remove the lifters.
Rotate the lifter back and forth to loosen
it from the gum or varnish that may have
formed at the lifter.
7. Remove
the
camshaft
thrust
plate. Carefully remove the camshaft by
pulling toward the front of the engine. Use
TIMING CHAIN -
6268
AND
CAMSHAFT
SPROCKET-
6256
FIG. 26- Removing Valve Lifter
caution to avoid damasffig the camshaft
bearings.
INSTALLATION
Camshaft lobes are to be coated with
Lubriplate or equivalent and the journals
lubricated with heavy engine oil MS before
installation.
1. Oil the camshaft journals and
apply Lubriplate to the lobes. Carefully
slide the bamshaft through the bearings.
Install the camshaft thrust plate onto the
cylinder block. Check camshaft end play
as shown on page 8-ll
2. Install the valve lifters in the
bores from which they were removed.
3. Install the timing chain, fuel
pump cylinder front cover and related
parts following steps 1 thru 13 under
Cylinder Front Cover and Timing Chain
Installation.
4. Adjust
the
drive
belts
to
specifications.
5. Install the push rods in their
original positions.
6. With No. 1 piston at TDC at the
end of the compression stroke, POSITION
A in Fig. 5, apply Lubriplate or equivalent
to the valve stem tips. Lubricate the
rocker arms and fulcrum seats with heavy
engine oil MS. Install the rocker arms and
CAMSHAFT
6250
CAMSHAFT
REAR BEARING
BORE PLUG
6266
BOLT
~
~~
~ ~
1
TWO PIECE FUEL
~PUMP
ECCENTRIC-
6287
A325J.A
FIG. 25- Camshaft and Related Parts
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