NISSAN X-TRAIL 2003 Electronic Repair Manual

OVERHAUL
AT-465
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Locations of Adjusting Shims, Needle Bearings, Thrust Washers and Snap
Rings
ECS0 04 LY
SCIA0799E

AT-466
[ALL]
DISASSEMBLY
DISASSEMBLY
PFP:31020
DisassemblyECS004LZ
1. Drain ATF through drain plug.
2. Remove torque converter.
3. Check torque converter one-way clutch using check tool as
shown at left.
a. Insert check tool into the groove of bearing support built into
one-way clutch outer race.
b. When fixing bearing support with check tool, rotate one- way
clutch spline using screwdriver.
c. Check that inner race rotates clockwise only. If not, replace
torque converter assembly.
4. Remove A/T fluid charging pipe and fluid cooler tube.
SAT008D
SAT009D
SAT768J

DISASSEMBLY
AT-467
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5. Set manual shaft to position P.
6. Remove park/neutral position (PNP) switch.
7. Remove oil pan and oil pan gasket.
lDo not reuse oil pan bolts.
8. Check foreign materials in oil pan to help determine causes of
malfunction. If the fluid is very dark, smells burned, or contains
foreign particles, the frictional material (clutches, band) may
need replacement. A tacky film that will not wipe clean indicates
varnish build up. Varnish can cause valves, servo, and clutches
to stick and can inhibit pump pressure.
lIf frictional material is detected, replace radiator after
repair of A/T. Refer toCO-12, "
RADIATOR".
9. Remove control valve assembly according to the following pro-
cedures.
a. Remove control valve assembly mounting boltsI,Xandl.
b. Remove snap ring from terminal body.
SAT023JA
SAT003F
SAT004F
SCIA0800E

AT-468
[ALL]
DISASSEMBLY
c. Push terminal body into transmission case.
10. Remove manual valve from control valve assembly.
11. Remove return spring from servo release accumulator piston.
12. Remove servo release accumulator piston with compressed air.
13. Remove O-rings from servo release accumulator piston.
SCIA0801E
SAT005F
SAT018DA
SAT019DA

DISASSEMBLY
AT-469
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14. Remove N-D accumulator piston and return spring with com-
pressed air.
15. Remove O-rings from N-D accumulator piston.
16. Check accumulator pistons and contact surface of transmission
case for damage.
17. Check accumulator return springs for damage and free length.
18. Remove lip seals.
19. Remove L & R oil tube and oil sleeve.
20. Remove converter housing according to the following proce-
dures.
a. Remove converter housing mounting bolts.
b. Remove converter housing by tapping it lightly.
SAT020D
SAT023DA
SAT006F
SAT862HA
SAT008F

AT-470
[ALL]
DISASSEMBLY
c. Remove O-ring from differential oil port.
21. Remove final drive assembly from transmission case.
22. Remove differential side bearing outer race and side bearing
adjusting shim from transmission case.
23. Remove differential side bearing adjusting shim from transmis-
sion case.
SAT235F
SAT228F
SAT010FC
SAT031D

DISASSEMBLY
AT-471
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24. Remove differential side bearing outer race from converter
housing.
25. Remove oil seal with screwdriver from converter housing.
lBe careful not to damage case.
26. Remove differential lubricant tube from converter housing.
27. Remove oil pump according to the following procedures.
a. Remove O-ring from input shaft.
b. Remove oil pump assembly, baffle plate and gasket from trans-
mission case.
SAT011FC
SAT032D
SAT063K
SAT225F
SAT012F

AT-472
[ALL]
DISASSEMBLY
c. Remove thrust washer and bearing race from oil pump assem-
bly.
28. Remove brake band according to the following procedures.
a. Loosen lock nut, then back off anchor end pin.
lDo not reuse anchor end pin.
b. Remove brake band and strut from transmission case.
lTo prevent brake linings from cracking or peeling, do not
stretch the flexible band unnecessarily. When removing
the brake band, always secure it with a clip as shown in
thefigureatleft.
Leave the clip in position after removing the brake band.
SAT013F
SAT014FA
SAT196F
SAT039D

DISASSEMBLY
AT-473
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c. Check brake band facing for damage, cracks, wear or burns.
29. Remove input shaft assembly (high clutch) and reverse clutch
according to the following procedures.
a. Remove input shaft assembly (high clutch) with reverse clutch.
b. Remove input shaft assembly (high clutch) from reverse clutch.
c. Remove needle bearings from high clutch drum and check for
damage or wear.
d. Remove high clutch hub and front sun gear from transmission
case.
SAT040D
SAT549F
SAT566F
SAT567F
SAT568F

AT-474
[ALL]
DISASSEMBLY
e. Remove front sun gear and needle bearing from high clutch hub
and check for damage or wear.
f. Remove bearing race from front sun gear and check for damage
or wear.
30. Remove needle bearing from transmission case and check for
damage or wear.
31. Apply compressed air and check to see that low and reverse
brake operates.
32. Remove low one-way clutch and front planetary carrier assem-
bly according to the following procedures.
a. Remove snap ring with flat-bladed screwdriver.
SAT019F
SAT020F
SAT138F
SAT046D