Nissan Terrano r20e. Manual — part 34
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
DISASSEMBLY
Disassembly (Cont’d)
AT-133
Oil Pump
DISASSEMBLY
1. Loosen bolts in numerical order and remove oil pump cover.
2. Remove rotor, vane rings and vanes.
I
Inscribe a mark on back of rotor for identification of fore-
aft direction when reassembling rotor. Then remove rotor.
3. While pushing on cam ring remove pivot pin.
I
Be careful not to scratch oil pump housing.
SAT648AB
SAT649A
SAT650A
SAT651A
REPAIR FOR COMPONENT PARTS
AT-134
4. While holding cam ring and spring lift out cam ring spring.
I
Be careful not to damage oil pump housing.
I
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 pis-
ton assembly.
7. Remove oil seal from oil pump housing.
I
Be careful not to scratch oil pump housing.
INSPECTION
Oil pump cover, rotor, vanes, control piston, side seals,
cam ring and friction ring
I
Check for wear or damage.
SAT652A
SAT653A
SAT654A
SAT655A
SAT656A
REPAIR FOR COMPONENT PARTS
Oil Pump (Cont’d)
AT-135
Side clearances
I
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
values should be within specified positions.
I
Before measurement, check that friction rings, O-ring, con-
trol piston side seals and cam ring spring are removed.
Standard clearance (Cam ring, rotor, vanes and con-
trol piston):
Refer to SDS, AT-199.
I
If not within standard clearance, replace oil pump assembly
except oil pump cover assembly.
Seal ring clearance
I
Measure clearance between seal ring and ring groove.
Standard clearance:
0.10 - 0.25 mm (0.0039 - 0.0098 in)
Wear limit:
0.25 mm (0.0098 in)
I
If not within wear limit, replace oil pump cover assembly.
ASSEMBLY
1. Drive oil seal into oil pump housing.
I
Apply ATF to outer periphery and lip surface.
2. Install cam ring in oil pump housing by the following steps.
a. Install side seal on control piston.
I
Pay attention to its direction — Black surface goes toward
control piston.
I
Apply petroleum jelly to side seal.
b. Install control piston on oil pump.
c. Install O-ring and friction ring on cam ring.
I
Apply petroleum jelly to O-ring.
SAT657A
SAT658A
NAT295
SAT654A
SAT660A
REPAIR FOR COMPONENT PARTS
Oil Pump (Cont’d)
AT-136
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