Ford Thunderbird 1958 - 7. Disassembly and Assembly of Component Parts 1-27; Valve Rocker Arm Shaft Assembly 1-17; Assembly 1-27; Cylinder Heads 1-27

PART
1-ENGINE
1-27
T.D.C,
then position the
distributor
in
the
block
with the
rotor at
the
No.
1
firing
position and the points
open.
Install
the
hold down
clamp.
Connect
the
distributor
vacuum
line.
Install the
distributor
cap.
Con
nect
the
spark
plug
wires. Be
sure
the
spark
plug
wires
for
No. 7
and
8
cylinders
are
properly
positioned.
See
Fig.
9
on
page
1-48.
Install
the
vacuum
booster
pump
line
and
the
carburetor
fuel
inlet
line.
SPRING
WASHER
ROCKER ARM
SUPPORT
BOLT
COTTER
PIN
FIG.
50
Valve
Rocker
Arm
Shaft
Assembly
ROCKER SHAFT
1527-B
DISASSEMBLY
AND
ASSEMBLY
OF
COMPONENT PARTS
VALVE
ROCKER
ARM
SHAFT
ASSEMBLY
DISASSEMBLY
1.
Remove
the
cotter
pins from
each end
of the
valve
rocker
arm
shaft,
then
remove
the
flat
washers
and
spring
washers.
2.
Slide
the
rocker
arms,
springs,
and
the
supports
off
the
shaft. Be
sure
to
identify
all
parts.
3. If
it
is
necessary
to
remove
the
plugs
from
each end
of
the
shaft,
drill or
pierce
one
plug,
then
insert a
steel rod
through
the
plug
and
knock
out
the
plug
on
the
opposite
end.
Working
from
the
open
end,
knock
out the
remaining
plug.
ASSEMBLY
1.
Oil
all
moving
parts
with engine
oil.
2. If
the
plugs
were
removed
from
the
ends of
the
shaft,
use
a
blunt
tool
or
large
diameter
pin
punch
and in
stall
a
plug,
cup
side
out,
in
each
end
of the
rocker arm shaft.
3.
Install
the
rocker
arms,
sup
ports,
and
springs in the
order shown
in Fig. 50. Be
sure the
oil holes in
the
shaft are
facing
downward.
Com
plete
the
assembly
by installing
the
remaining
two flat washers
with
the
spring
washer between them
and in
stall
the
cotter pin.
CYLINDER HEADS
DISASSEMBLY
1.
Clean
the
carbon out of the
cylinder head combustion
chambers
before
removing
the
valves.
2.
Compress the valve
springs
(Fig.
51),
then remove the
spring
re
tainer
locks,
and
release the
spring.
3. Remove
the
sleeve,
spring
re
tainer,
spring assembly
stem
seal,
and
valve.
Discard
the
valve stem
seals.
Identify
all valve
parts.
ASSEMBLY
1.
Install each valve
(Fig.
52)
in
the port
from which it
was
removed
or
to which
it was
fitted. Install
a
new stem
seal
on the
valve.
2.
Install
the
valve
spring
assem
bly
over the
valve,
then install
the
spring
retainer and sleeve.
3. Compress
the
spring
and install
the
retainer locks
(Fig.
51).
4.
Measure the assembled
height
of the valve
spring
from
the
surface
of
the
cylinder head
spring
pad to
the underside of the
spring
retainer
with dividers (Fig. 53).
Check the dividers
against a
scale.
If
the assembled height is
15%4
inches
or
greater,
install
the
necessary
0.030-
inch
thick
spacer(s)
between the
cyl
inder
head
spring
pad
and
the
valve
spring
to
bring
the
assembled
height
to
the
recommended
dimension
of
15%4-15%4
inches.
Do
not
install
spacers
unless
necessary.
Use
of
spac-