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MsjorOverhaulOpsrstions
AUTOMATIC TRANSMISSION
AT133
28
Remove
inhibitor
switch
and
manual shaft
by
loosening
two
se
cming
bolts
COMPONENT PARTS
The
transmission consists
of
many
small
parts
that
are
quite
alike
in
construction
yet machined
to
very
c1
e
oIerances
When
disassembling
parts
be
sure
to
place
them
in
order
iD
part
rack
so
they
can
be
put
back
in
the
unit in
their
proper
positions
AU
parts
should be
carefuUy
cleaned
with
a
general
purpose
non
flanunable sol
vent
before
inspection
or
reassembly
Gaskets seals
and similar parts should
be
replaced
It
is
also
very
important
to
perform
functional
tests
whenever
it
is
designated
OIL
PUMP
I
Remove
front pump
gasket
and
O
ring
Inspect
pump
body
pump
shaft
and
ring
groove
areas
for
wear
w
SAT023
2
Remove pump
cover
from pump
housing
AT
34
1
u
SAT024
3
Inspect
gears and aU internal
sur
faces for faults and visible
wear
4
Measure clearance between
outer
gear and crescent
Standard
dearanc
e
0 14
0
2 1
mm
0 0055
0 0083 in
Replace
if the clearance
exceeds
0
2 5
mm
0 0098 in
SAT025
5
Measure clearance between
outer
gear
and pump
housing
Standard dearance
0 05
0
2 0
mm
0 0020
0 0079 in
Replace
if
the
clearance
exceeds
0
2 5
mm
0
0098
in
SA T026
6
Using
a
feeler
gauge
and
straighf
edge
measure
clearance between gears
and pump
cover
Standard clearance
0 02
0 04
mm
0 0008
0 0016 in
Replace
if the clearance exceeds
0 08
mm
0 0031 in
7
Measure clearance
between seal
ring
and
ring
groove
Standard
clearanca
0 04
0 16
mm
0
0016
0
0063
in
Replace
if
the clearance exceeds
0 16
mm
0 0063 in
Of
course
it
is
good practice
to
reo
place
aU seal
rings during
an
overhaul
l
1earance
J
Sealring
w
yw
11
4
I
AT1
5
8
Mount pump
housing
in
Tool Set
up pump
housing
with inner and
outer
pump
gears
on
it
and instaU
pump
cover to
pump
housing Temporarily
assemble oil pump
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