Subaru 1600 Service Manual page 349

AUTOMATIC TRANSMISSION AND DIFFERENTIAL
3) Assembly
To assemble the center support ASSY,
reverse the order of disassembly.
Be sure to apply the ATF onto all
parts when assembling.
NOTE:
For center support ASSY, use the
same tools as those used during dis-
assembly, and be careful notto damage
the seal ring during assembly.
4) Oil Pump Assembly
I) Disassembly
Remove the bolts and disassemble the
oil pump carrier and transmission
cover (intermediate case).
Remove the inner and outer gears
from the oil pump carrier.
1 Transmission cover
2 Oil pump carrier
3 Outer gear
4 Inner gear
5 Oil pum p drive shaft II
A13·109
Fig. 7-117 Oil pump components
NOTE:
When disassembling the oil pump, note
the positions of the side faces of inner
gear and outer gear so that they may
be installed with their side faces facing
the same way.
2) Inspection
a. Check the inner and outer gear
tooth faces for damage or wear. If
necessary, replace.
Replace the O-ring and seal rings if
they are damaged.
I Inner gear
2 Outer gear
Fig. 7-118
A13·110
b. Check the bushing and two needle
roller bearings
(15 x 21 x 12
mm)
located in the oil pump carrier. If
they are damaged, replace.
c. Replace oil pump carrier and/or
transmission cover if the contacting
surface with inner gear or outer
gear is damaged.
d. Replace oil pump shaft
2
if the
shaft portion or contacting surface
with inner gear is damaged.
3) Removal and installation of needle
bearing and bushing
a. Removal of needle bearing and
bushing
Set up the oil pump carrier as
shown in the figure, and drive out
the bushing and two roller bearings
at one time with Needle Bearing
Remover
2 (399903600).
•
Oil pump carrier
(399903600)
Needle Bearing
Remover 2
A13·111
Fig_ 7-119 Removing bushing and
needle roller bearings
b. Installation of needle bearing and
bushing
(i) When
installing the middle
needle roller bearing, use In-
staller
(399543600)
and Instal-
ler
2 (398863600)
as shown in
the figure.
7-54
Installer 2
(398863600)
Needle bearing
Installer
(39954,3600)
Oil pump
A 1 3· 112
Fig. 7-120 Installing needle bearing
(ii)
When installing the bushing
and remaining needle roller
bearing, use Installer
(399543600), as shown in the
figure.
(399543600)
Oil pump carrier
Needle bearing
A13·113
Fig. 7-121 Installing needle roller
bearing and bushing
4)
Measurement of clearances
To check clearances, use Gauge
(398643600)
and Thickness Gauge
(499667000).
a. Clearance between inner/ outer gear
and transmission cover (intermedi-
ate case).
Standard
clearance
0.02 - 0.04 mm
(0.0008 - 0.0016
in)
Replace the gears as a set if the
clearance exceeds 0.08 mm (0.0031
in).
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