Infiniti G20 (P11). Manual — part 78
SAT093D
4.
Remove O-ring from oil pump housing.
SAT094D
5.
Remove oil pump housing oil seal.
INSPECTION
NCAT0127
Oil Pump Housing, Oil Pump Cover, Inner Gear and
Outer Gear
NCAT0127S01
I
Check for wear or damage.
SAT095D
Side Clearances
NCAT0127S02
I
Measure side clearance of inner and outer gears in at least
four places around each outside edge. Maximum measured
values should be within specified range.
Standard clearance:
0.02 - 0.04 mm (0.0008 - 0.0016 in)
I
If clearance is less than standard, select inner and outer gear
as a set so that clearance is within specifications.
Inner and outer gear:
Refer to SDS, AT-392.
I
If clearance is more than standard, replace whole oil pump
assembly except oil pump cover.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REPAIR FOR COMPONENT PARTS
Oil Pump (Cont’d)
AT-309
SAT096D
I
Measure clearance between outer gear and oil pump housing.
Standard clearance:
0.08 - 0.15 mm (0.0031 - 0.0059 in)
Allowable limit:
0.15 mm (0.0059 in)
I
If not within allowable limit, replace whole oil pump assembly
except oil pump cover.
SAT097D
Side Ring Clearance
NCAT0127S03
I
Install new seal rings onto oil pump cover.
I
Measure clearance between seal ring and ring groove.
Standard clearance:
0.1 - 0.25 mm (0.0039 - 0.0098 in)
Allowable limit:
0.25 mm (0.0098 in)
I
If not within allowable limit, replace oil pump cover assembly.
SAT922D
ASSEMBLY
NCAT0128
1.
Install oil seal on oil pump housing.
SAT093D
2.
Install O-ring on oil pump housing.
I
Apply ATF to O-ring.
SAT092D
3.
Install inner and outer gears on oil pump housing.
I
Take care with the direction of the inner gear.
REPAIR FOR COMPONENT PARTS
Oil Pump (Cont’d)
AT-310
SAT101D
4.
Install oil pump cover on oil pump housing.
a.
Wrap masking tape around splines of oil pump cover assem-
bly to protect seal. Position oil pump cover assembly on oil
pump housing assembly, then remove masking tape.
b.
Tighten bolts in numerical order.
SAT699H
5.
Install new seal rings carefully after packing ring groove with
petroleum jelly.
I
Do not spread gap of seal ring excessively while install-
ing. It may deform the ring.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REPAIR FOR COMPONENT PARTS
Oil Pump (Cont’d)
AT-311
Control Valve Assembly
COMPONENTS
=NCAT0129
SAT868J
1.
Solenoid valve assembly
2.
O-ring
3.
Clip
4.
Terminal body
5.
Control valve lower body
6.
Oil strainer
7.
Support plate
8.
Lower inter separating gasket
9.
Separating plate
10. Lower separating gasket
11. Steel ball
12. Control valve inter body
13. Pilot filter
14. Upper inter separating gasket
15. Separating plate
16. Upper separating gasket
17. Steel ball
18. Control valve upper body
19. Check ball
20. Oil cooler relief valve spring
21. O-ring
22. T/C pressure holding spring
23. Check ball
REPAIR FOR COMPONENT PARTS
Control Valve Assembly
AT-312
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