Nissan Frontier D22. Instruction — part 114
OVERHAUL
AT-425
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
d.
Remove instruction shaft from transmission case.
e.
Remove spacer and detent spring from transmission case.
f.
Remove oil seal from transmission case.
SAT043B
SAT934A
SAT044B
AT-426
[RE4R01A]
OIL PUMP
OIL PUMP
PFP:15010
Components
ECS007PC
Disassembly
ECS007PD
1.
Loosen bolts in numerical order and remove oil pump cover.
2.
Remove rotor, vane rings and vanes.
●
Inscribe a mark on back of rotor for identification of fore-aft
direction when reassembling rotor. Then remove rotor.
WAT379
SAT649A
SAT650A
OIL PUMP
AT-427
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
3.
While pushing on cam ring remove pivot pin.
●
Be careful not to scratch oil pump housing.
4.
While holding cam ring and spring lift out cam ring spring.
●
Be careful not to damage oil pump housing.
●
Hold cam ring spring to prevent it from jumping.
5.
Remove cam ring and cam ring spring from oil pump housing.
6.
Remove pivot pin from control piston and remove control piston
assembly.
7.
Remove oil seal from oil pump housing.
●
Be careful not to scratch oil pump housing.
SAT651A
SAT652A
SAT653A
SAT654A
SAT655A
AT-428
[RE4R01A]
OIL PUMP
Inspection
ECS007PE
OIL PUMP COVER, ROTOR, VANES, CONTROL PISTON, SIDE SEALS, CAM RING AND FRIC-
TION RING
●
Check for wear or damage.
SIDE CLEARANCES
●
Measure side clearances between end of oil pump housing and
cam ring, rotor, vanes and control piston. Measure in at least
four places along their circumferences. Maximum measured val-
ues should be within specified positions.
●
Before measurement, check that friction rings, O-ring, con-
trol piston side seals and cam ring spring are removed.
●
If not within standard clearance, replace oil pump assembly
except oil pump cover assembly.
SEAL RING CLEARANCE
●
Measure clearance between seal ring and ring groove.
●
If not within wear limit, replace oil pump cover assembly.
Assembly
ECS007PF
1.
Drive oil seal into oil pump housing.
●
Apply ATF to outer periphery and lip surface.
SAT656A
Standard clearance
(Cam ring, rotor, vanes
and control piston)
: Refer to
SAT657A
Standard clearance
: 0.10 - 0.25 mm (0.0039 -
0.0098 in)
Wear limit
: 0.25 mm (0.0098 in)
SAT658A
SAT081E
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