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Valve Body
Repair
NOTE:
This
repair is only necessary
if
one
or
more
of
the valves
in
a valve body do not
slide smoothly in
their
bores.
Use this procedure to free the
valves.
1.
Soak
a
sheet
of
#600
abrasive
paper
in
ATF for
about
30
minutes.
2.
Carefully tap the valve
body so the
sticking valve
drops
out
of
its
bore. It
may
be necessary to use
a
small screwdriver
to pry the
valve
free
.
Be
careful
not
to scratch
the bore
with
the
screwdriver.
3.
Inspect the
valve
for
any scuff marks.
Use
the
ATF·
soaked #600 paper
to polish off any burrs
that
arB
on the valve, then wash
the
valve in solvent and
dry
it with
compressed air.
4.
Roll up half
a sheet of
ATF·soaked #600 paper
and
insert
it
in
the
valve
bore
of
the
sticking valve.
Twist the paper
slightly, so
that
it
unrolls
and
fits
the bore tightly. then polish the bore by twisting
the
paper
as
you
push
it
in and
out.
NOTE
:
The
valve body is
aluminum
and doesn't
require much polishing to remove
any
burrs.
ATF·sookod
fiOO
abrniv.
p.p ...
14-192
5.
Remove the #600 paper. Thoroughly wash the
entire
valve body in
solvent, then dry
it with com-
pressed
air.
6.
Coat the valve with ATF
,
then drop it
into
its
bore.
It
should
drop to the
bottom of the bore
under its
own
weight.
If not, repeat
step
4, then
retest.
If the
valve
still
sticks,
replace the valve body.
VALVE
7.
Remove the valve,
and
thoroughly
clean it and the
va
lve body with solvent. Dry
all parts
with
co
m
-
pressed air, then reassemble using ATF as
a
lubricant.
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Troubleshooting
