V-8
ENGINE
6-51
SHI
•HE
heh
m
m
•
RHH
Fig.
6-87
Slots Filed
in
Rocker
Arm
Stud
7. Place spacer over stud remover J 8934.
8.
Thread
7/8" standard nut on stud remover and
turn
nut until rocker arm stud is out of cylinder
head (Fig. 6-88).
9. After removing stud, carefully ream stud hole
using reamer J 22126. Stud hole must first be
reamed with pilot shaft attached to reamer. Pilot
shaft should then be removed and stud hole must be
reamed again.
10.
Clean
stud hole and surrounding
area.
NOTE:
INSPECT STUD HOLE.
IF
REAMER
DID
NOT CLEAN
UP
COMPLETELY,
IT
WILL
BE
NECESSARY
TO
REPLACE CYLINDER HEAD.
11. Remove intake manifold and push rod cover.
12. Position rocker arm on new rocker arm stud
and
place rocker arm stud installer J 8927 on stud
in
place of rocker arm
ball.
J-8934-1
J-8934-2
J-8934-3
Fig.
6-88
Rocker
Arm
Stud Removal
13. Coat rocker arm stud with white lead and oil;
carefully
drive stud into cylinder head until it is in
about halfway (7/16").
14.
Clamp
straightedge on cylinder head as shown
in
Fig. 6-86, and position valve
train
gauge
J
8928
in
push rod hole so that it
seats
properly in rocker
arm.
NOTE:
WHEN
WORKING
ON
RIGHT CYLINDER
HEAD, HEATER HOSE
CONNECTOR
WILL HAVE
TO
BE
REMOVED BEFORE STRAIGHT EDGE
CAN
BE
POSITIONED CORRECTLY.
15. With valve seated, slowly drive rocker arm
stud into cylinder head until
gauge
projects about
midway between end of
gauge
and
step
with respect
to straightedge (Fig. 6-86).
16.
Install
push rod, rocker arm,
ball
and rocker
arm
ball
retaining nut.
17. Replace push rod cover, intake manifold and
rocker
arm cover.
18. Connect battery cable and
refill
radiator.
SCREWED
IN
STUDS
1. Remove rocker arm cover.
2. Remove rocker arm and nut.
3.
Using a
deep
well socket, remove rocker stud.
4.
Install
new stud and tighten to 50 ft. lbs. torque.
5.
Install
rocker arm and tighten nut to 20 ft. lbs.
6.
Install
rocker arm cover using new gasket.
CYLINDER
HEAD
AND
VALVES-RECONDITION
CYLINDER
HEAD
AND
VALVES-
DISASSEMBLE
1. Remove valve spring retainer cup locks
(keepers), valve stem oil seals, valve spring re-
tainer
cups, valve stem shields, valve springs, and
valves, using valve spring compressor J 8062. Valve
stem oil seals must be discarded and replaced with
new seals any time they are removed.
2. Place valves in valve and valve
train
holding
stand.
CYLINDER
HEAD
AND
VALVES-
CLEAN
AND
INSPECT
Efficient
engine performance depends to a great
degree
upon the condition of engine valves. Close
inspection of intake valves is especially important
as excessive clearance of valve stems in guides
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