Infiniti I30 (A33). Manual — part 78
SAT093D
4.
Remove O-ring from oil pump housing.
SAT094D
5.
Remove oil pump housing oil seal.
INSPECTION
NHAT0131
Oil Pump Housing, Oil Pump Cover, Inner Gear and
Outer Gear
NHAT0131S01
I
Check for wear or damage.
SAT095D
Side Clearances
NHAT0131S02
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 positions.
Standard clearance:
0.030 - 0.050 mm (0.0012 - 0.0020 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-388.
I
If clearance is more than standard, replace whole oil pump
assembly except oil pump cover.
GI
MA
EM
LC
EC
FE
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:
0.111 - 0.181 mm (0.0044 - 0.0071 in)
Allowable limit:
0.181 mm (0.0071 in)
I
If not within allowable limit, replace whole oil pump assembly
except oil pump cover.
SAT097D
Seal Ring Clearance
NHAT0131S03
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.
SAT900DB
ASSEMBLY
NHAT0132
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
Be careful of direction of inner gear.
REPAIR FOR COMPONENT PARTS
Oil Pump (Cont’d)
AT-310
SAT051F
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 a crisscross pattern. Tighten oil pump cover
bolts to the specified torque. Refer to AT-308.
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. The ring may be deformed.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
REPAIR FOR COMPONENT PARTS
Oil Pump (Cont’d)
AT-311
Control Valve Assembly
COMPONENTS
=NHAT0133
SAT770J
1.
Oil strainer
2.
O-ring
3.
Stopper ring
4.
Terminal body
5.
O-rings
6.
Control valve lower body
7.
Oil cooler relief valve spring
8.
Check ball
9.
Separating plate
10. Support plate
11. Steel ball
12. Control valve inter body
13. Pilot filter
14. Separating plate
15. Steel ball
16. Control valve upper body
DISASSEMBLY
NHAT0134
Disassemble upper, inter and lower bodies.
Bolt length, number and location:
Bolt symbol
a
b
c
d
e
f
g
Bolt length “
”
mm
(in)
13.5
(0.531)
58.0
(2.283)
40.0
(1.575)
66.0
(2.598)
33.0
(1.299)
78.0
(3.071)
18.0
(0.709)
Number of bolts
6
3
6
11
2
2
1
f: Reamer bolt and nut.
REPAIR FOR COMPONENT PARTS
Control Valve Assembly
AT-312
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