Nissan Frontier D22. Manual - part 114

OVERHAUL

AT-425

[RE4R01A]

D

E

F

G

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A

B

AT

d.

Remove manual 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

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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 

AT-500, "Oil 

Pump and Low One-way 
Clutch"

 .

SAT657A

Standard clearance

: 0.10 - 0.25 mm (0.0039 - 
0.0098 in)

Wear limit

: 0.25 mm (0.0098 in)

SAT658A

SAT081E