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231 V6 ENGINE V.I. CODE C
6A3-5
Fig. 6A3-9 Removing Nylon Retainer
Should
it
become necessary to replace one or more
rocker arms, it must be noted that all service rocker arms are
stamped (R) right (L) left. See Fig. 6A3-10
.
Fig. 6A3-10 Service Rocker Arms
When installing service rocker arms care must be taken
-
to insure rocker arms are installed on the rocker arm shaft
in the correct sequence. See Fig. 6A3- 1 1.
2. Center each arm on the 1/4" hole in the shaft. Install
new nylon rocker arm retainers in the 1/4" holes using a drift
of at least 1/2" dia.
3. Install rocker arm assembly.
CYLINDER HEAD
Removal
1. Remove intake manifold.
2. When removing RIGHT cylinder head:
a. Loosen and remove belt(s).
b. Remove wires from Delcotron.
c. If equipped with air conditioning compressor, remove
compressor from mounting bracket and position it out of the
way with hoses connected, then remove Delcotron with
mounting bracket.
--
-
Fig. 6A3-1 1 Position on Service Rocker Arms on Shaft
3. When removing LEFT cylinder head: (Except X
Series)
a. Remove oil gage rod.
b. Remove power steering gear pump with mounting
bracket if present, and move it out of the way with hoses
attached.
4. Disconnect wires from spark plugs, and remove the
spark plug wire clips from the rocker arm cover studs.
5. Remove exhaust manifold bolts from head being
removed.
6. With air hose and cloths, clean dirt off cylinder head
and adjacent area to avoid getting dirt into engine. It is
extremely important to avoid getting dirt into the
hydraulic valve lifters.
7. Remove rocker arm cover and rocker arm and shaft
assembly from cylinder head. Lift out push rods.
If lifters are to be serviced, remove them at this time.
Otherwise, protect lifters and camshaft from dirt by covering
area with a clean cloth. Whenever lifters or push rods are
removed, place in a wooden block with numbered holes or
similar device to keep them identified as to position in engine.
8. Loosen all cylinder head bolts, then remove bolts and
lift off the cylinder head.
9. With cylinder head on bench, remove all spark plugs
for cleaning and to avoid damage during work on the head.
LEFT CYLINDER HEAD REMOVAL
X SERIES
1. Remove intake manifold.
2. Remove oil gage rod.
3. Remove power steering pump with hoses connected
and swing out of way.
4. Remove power steering pump bracket if equipped.
5. Disconnect spark plug wires and swing out of the way.
6. Remove rocker arm cover, rocker arm and shaft
assembly from cylinder head. Lift out push rods.
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