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140 ENGINE
6A1-15
5. Maintain pressure momentarily, then back off the
tool, making sure the oil seal remains seated.
6. Install the valve spring and damper assembly and
valve cap valve stem.
7. Compress valve spring, using Tool J 23995; install
valve locks, making sure that locks seat properly in the valve
stem groove. Release spring and remove tool.
NOTE: Grease may be used to hold the locks in place
while releasing the spring.
8. Remove air line adapter Tool J 23590. Install spark
plug and torque to 15 lbs. ft.
9. Install valve lifter assembly.
10. Remove tool J 23591 from the head.
INTAKE MANIFOLD
Removal
1. Raise the hood and secure open.
2. Disconnect battery negative cable at battery.
3. Remove air cleaner, disconnecting vent tube at
camshaft cover.
4. Remove air cleaner silencer-to-heat stove tube
retaining screw and remove silencer.
5. Disconnect power steering pump brace at manifold (if
equipped).
6. Remove generator-to-thermostat housing through
bolt and loosen swivel bolt, position generator to obtain
access to manifold bolt.
7. Remove clamps securing exhaust gas recirculation
(E.G.R.) tube at both the intake and exhaust manifolds.
8. Remove the E.G.R. tube, using Tool J 2431 1.
9. Drain cooling system and disconnect heater hose at
fitting on inlet manifold.
10. Disconnect:
a. P.C.V. valve at cam cover.
b. Fuel line at carburetor.
c. Throttle linkage and transmission detent linkage.
d. Vacuum lines from manifold vacuum fitting.
11. Remove the four intake manifold retaining bolts and
withdraw manifold from vehicle.
Installation
NOTE: If a new manifold is being installed, transfer the
following from the old unit:
a. Carburetor with linkage mounting plate
b. EGR valve
-
with new gasket
c. Vacuum fitting@)
d. Heater hose fitting
1. Clean gasket surfaces on cylinder head and manifold.
2.Sosition new gasket over manifold locating dowels on
head and carefully install the manifold, making sure that the
gasket remains in place.
3. Install and torque retaining bolts to 30 lbs. ft.
4. Connect:
a. PCV valve at cam cover
b. Fuel line at carburetor
c. Throttle linkage and transmission detent linkage
d. Vacuum lines from manifold vacuum fitting
-
5. Connect power steering pump brace to manifold (if
equipped).
6. Install generator-to-thermostat housing through bolt
and adjust belt tension.
7. Install air cleaner silencer and secure to heat stove
tube.
8. Install air cleaner-connect vent tube at camshaft
cover.
9. Connect heater hose to inlet manifold fitting and fill
cooling system.
10. Raise vehicle on a hoist and install exhaust gas
recirculating tube, using Tool J 26A1-40A11 as shown in
Figure 6A1-39).
11. Install clamps to secure exhaust gas recirculating
tube at both the intake and exhaust manifolds
-
lower vehicle.
12. Connect battery negative cable, start engine, check
for leaks and adjust carburetor.
13. Check and adjust ignition timing and dwell.
14. Remove hood hold open link and close hood.
EXHAUST MANIFOLD
Removal
1. Raise the car on a hoist. Disconnect the exhaust pipe
at the manifold. Lower the car.
2. Remove intake manifold as previously outlined.
3. Disconnect oil level dipstick bracket at exhaust
manifold.
4. Remove the exhaust manifold-to-cylinder head bolts
and remove manifold and carburetor heater assembly.
lnstallation
NOTE: If installing a new manifold, transfer carburetor
heat stove and tube to new manifold. Manifold upper
attaching bolts are 1 1/2" long: lower attaching bolts are
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