Ford Thunderbird 1958 User Manual

1-40
GROUP
1-POWER
PLANT
Straight
Edge
Feeler
Gauge
1742-A
Feeler
Gauge
1743-A
FIG.
82
Outer
Race
to
Housing
Clearan
ce
FIG.
83-Rotor
End
Play
up
when
bored for the maximum
oversize
piston
recommended,
replace
the block.
Rebore
the cylinder to within
ap
proximately
0.0015 inch of the
re
quired
oversize
diameter.
This will
allow
enough
stock
for the
final
step
of
honing
so the correct
surface fin
ish
and pattern
are
obtained.
Use
clean
sharp
hones of No. 220-280
grit
for this operation.
For
the
proper
use of the
boring
equipment
follow
the instructions of
the manufacturer.
Only
experienced
personnel
should be
allowed
to
per
form this
work.
After
the
final operation
in
either
of the two
refinishing
methods de
scribed and prior to
checking
the pis
ton
fit,
thoroughly
wash
the cylinder
walls
with solvent to remove all abra
sive
particles,
then
thoroughly dry
the
walls. Check the piston fit (page
1-36). Mark
the
pistons
to correspond
to the
cylinders
in
which
they
are to
be
installed. When the
refinishing
of
all
cylinders
that
require
it has
been
completed
and all pistons
fitted,
thor
oughly
clean
the entire
block
to
re
move
all
particles from the
bearing
bores,
oil
passages,
cylinder head bolt
holes,
etc.
Coat the
cylinder
walls
with
oil.
OIL
PAN
AND
OIL
PUMP
OIL
PAN
Scrape
any
dirt
or
metal
particles
from
the
inside
of
the
pan. Scrape
all
old
gasket
material
from the
gasket
surface.
Wash
the
pan
in
a solvent
and
dry
it
thoroughly. Be sure
all
foreign
matter is
removed from
below
the baffle plate.
Check
the pan for
cracks, holes,
damaged
drain
plug
threads,
a
loose
baffle,
and a
nicked or warped gasket
surface.
Repair
any
damage,
or replace the
pan if
repairs can not be made.
OIL PUMP
Wash
all
parts
in
a
solvent and
dry
them
thoroughly.
Use
a
brush to
clean
the inside of the
pump
housing
and the pressure relief valve
chamber.
Be
sure
all
dirt and chips are removed.
Check the inside of the
pump
hous
ing
and the outer race and rotor for
damage or
excessive
wear.
Check
the
mating
surface
of the
pump
cover for
wear.
If the cover
mating
surface
is
worn,
scored,
or
grooved,
replace the cover.
Measure the
outer
race to
housing
clearance
(Fig. 82).
With
the
rotor
assembly
installed
in the
housing,
place a straight
edge
over
the
rotor
assembly
and
the hous
ing.
Measure the
clearance between
the straight edge and the rotor
and
outer
race
(Fig. 83).
The outer
race,
shaft
and rotor are
replaceable
only
as an assembly.
Check the drive shaft
to
housing
bearing
clearance
by measuring
the
O.D.
of
the
shaft and
the I.D. of the
housing
bearing.
Inspect
the
relief
valve
spring
for
a collapsed or worn
condition.
Check the relief valve
spring
ten
sion.
If the
spring
tension is not
within
specifications and/or the
spring
is
de
fective,
replace the
spring.
Check the relief valve
piston for
scores
and free operation in the
bore.
REPAIR
OPERATIONS
(ENGINE
IN
CHASSIS)
ENGINE SUPPORTS
The
front supports are located
on
each side of the
crankcase and the
rear support is located
at the trans
mission extension
housing.
ENGINE
FRONT SUPPORT
The engine
front support
is shown
in
Fig. 84. The procedures given
apply
to
either a right or left
instal
lation.
Removal
1.
Remove the insulator
assembly
to engine
retaining
bolts,
and
insula
tor
to
underbody
retaining
nut
and
washer.
If
only
one
support is
being
re
moved,
loosen the other
support.
2. Raise the engine
about 1-inch
with a
jack
and
a
block
of wood
placed
under the
oil
pan,
then
re
move
the
insulator assembly.
Installation
1.
Position the
insulator assembly.
Install,
but
do not
tighten,
the insula
tor to engine
lockwashers and bolts.
If
both
supports
have
been
removed,
install the
bolts
on the opposite side
before
proceeding
with
step
2.
2. Lower the
engine,
then install
the
underbody
to insulator lock
washer and
nut
and tighten
the
nut
to
40-45
foot-pounds
torque.
Tighten

Ford Thunderbird 1958 Specifications

General

Brand	Ford
Model	Thunderbird 1958
Category	Automobile
Language	English