Ford Thunderbird 1958 - Hydraulic Valve Lifters 1-28; Piston and Connecting Rod 1-28

1-28
GROUP
1-POWER
PLANT
Too/-65?3-EE
SLEEVE
LOCKS
SERVICED
AS
AN
ASSEMBLY
SPRING
RETAINER
DAMPER SPRING
OIL
SEAL
1525-
FIG.
51
Removing
or
Installing
Valve
Spring
Retainer
Locks
EXHAUST
VALVE
INTAKE VALVE
1542-B
FIG.
52-Valve
Assembly
ers in excess of recommendations
will result
in
overstressing
the valve
springs which
will
lead
to excessive
load
loss
and
spring
breakage.
HYDRAULIC
VALVE LIFTERS
Each
valve
lifter is
a matched as
sembly.
If
the parts
of one lifter are
inter-mixed
with those
of
another,
improper
valve
operation
may
result.
Disassemble and
assemble
each
lifter
separately.
Keep
the
lifter
assemblies
in
proper
sequence
so
that
they
can
be
installed
in
their
original
bore.
DISASSEMBLY
Remove
the
lock
ring
from the
lifter
assembly
with the
tool shown
in
Fig.
18
on
page
1-17.
Remove
the
push
rod
seat
plunger and
plunger
spring.
Invert
the
plunger
assembly
and
remove the
disc
valve
retainer
by
carefully
prying up
on
it
with a
screwdriver,
then
remove
the
disc
valve
and
spring.
ASSEMBLY
The
hydraulic
valve
lifter assem
bly
is
shown
in
Fig.
54.
Place
the
plunger
upside down
on
a
clean
work
bench.
Place
the
disc
valve in
position
over
the
oil
hole on
the
bottom of
the plunger. Set
the
disc
valve
spring
on
top
of the disc.
Position
the
disc
valve retainer over
the disc
and
spring
and push
the re
tainer
down
into place
on the
plunger.
Place the
plunger
spring,
then the
plunger
(open end
up)
into the lifter
body.
Place
the
push
rod seat in the
plunger.
Position the lock
ring
in the
tool shown in Fig. 18
on page
1-17,
then install the lock
ring
in the lifter
body.
Be sure the lock
ring
is seated
in the
groove.
PISTON
AND
CONNECTING
ROD
DISASSEMBLY
Mark the pistons and pins to as
sure
assembly
with the same rod and
installation in the same cylinder
from
which
they
were
removed.
Re
move the
piston rings.
Remove
the
piston pin
retainers,
then drive
the
pin
out of the piston and
connecting
rod
(Fig.
55).
Discard the
retainers.
ASSEMBLY
The
piston,
connecting
rod
and re
lated
parts are
shown in
Fig.
56.
1.
Lubricate
all
parts with
light
engine oil.
Position the
connecting
rod in the piston and
push
the pin
into place.
Assemble the
piston
and
connecting
rod with
the
oil
squirt
hole in the
connecting
rod
positioned
as
shown in
Fig.
57.
2.
Insert
new
piston
pin retainers
by
spiraling
them into
the
piston with
the fingers.
Do not
use
pliers. Follow
the instructions
contained on
the pis
ton
ring
package and install
the
piston
rings.
3.
Check the
ring
side
clearance
of
the compression rings
with a
feeler
gauge
inserted between
the
ring
and
its
lower
land (Fig. 58).
The
gauge
should
slide
freely
around
the
entire
ring
circumference
without
binding.
Any
wear
that occurs
will
form a
step
at
the inner
portion
of
the
lower
land.
If
the lower
lands
have
high
steps,
the
piston
should
be
replaced.
4. Install
the
bearing
inserts
in
the
connecting
rod and
cap
with
the
tangs
fitting
in
the slots
provided.
Do
not
get dirt or
other
foreign
matter
under
the inserts. In
time the
dirt
may
dis
tort the
bearing
and
cause
bearing
failure.