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AT-461
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Control Valve Lower BodyECS00EC3
COMPONENTS
SCIA2959J
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REPAIR FOR COMPONENT PARTS
DISASSEMBLY
Remove valves at retainer plates.
For removal procedures, refer to AT- 4 5 8 , "
DISASSEMBLY" .
INSPECTION
Valve Springs
Check each valve sprin NISSAN X-TRAIL 2003 Service Repair Manual AT-462
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REPAIR FOR COMPONENT PARTS
DISASSEMBLY
Remove valves at retainer plates.
For removal procedures, refer to AT- 4 5 8 , "
DISASSEMBLY" .
INSPECTION
Valve Springs
Check each valve sprin](/manual-img/5/57404/w960_57404-2497.png)
AT-462
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REPAIR FOR COMPONENT PARTS
DISASSEMBLY
Remove valves at retainer plates.
For removal procedures, refer to AT- 4 5 8 , "
DISASSEMBLY" .
INSPECTION
Valve Springs
Check each valve spring for damage or deformation. Also mea-
sure free length and outer diameter. Refer to AT- 5 3 0 , "
SERVICE
DATA AND SPECIFICATIONS (SDS)" .
Replace valve springs if deformed or fatigued.
Control Valves
Check sliding surfaces of control valves, sleeves and plugs for damage.
ASSEMBLY
CAUTION:
Apply ATF to all components before installation.
Lay control valve body down when installing valves. Do not
stand control valve body upright.
1. Retainer plate 2. Pressure modifier piston spring 3. Pressure modifier piston
4. Parallel pin 5. Sleeve 6. Pressure modifier valve spring
7. Pressure modifier valve 8. Control valve lower body 9. Manual valve
10. Pressure regulator valve 11. Pressure regulator valve spring 12. Spring seat
13. Plug 14. Retainer plate 15. Sleeve
16. Overrun clutch control valve spring 17. Overrun clutch control valve 18. Plug
19. Retainer plate 20. Accumulator control valve spring 21. Accumulator control valve
22. Plug 23. Retainer plate 24. Retainer plate
25. Shift valve A spring 26. Shift valve A 27. Retainer plate
28. Plug 29. Shuttle plug 30. Shuttle valve spring
31. Shuttle valve 32. Shift valve B spring 33. Shift valve B
34. Plug 35. Retainer plate
SCIA4978E
SAT138D
SAT139D
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Install control valves.
For installation procedures, refer to AT- 4 5 9 , "
ASSEMBLY" .
Retainer Plate (Control Valve Lower Body)
Install proper retainer plates. Refer to AT- 4 6 1 , "COMPONENTS" .
Unit: mm (in)
SCIA4978E
Loca
tionName of control valve and plug Width A Length B Type
L3 Pressure regulator valve
6.0
(0.236)28.0
(1.102)I L5 Accumulator control valve
L6 Shift valve A
L4 Overrun clutch control valve
L13 Pressure modifier valve
L7 Shuttle valve
L12 Shift valve B17.0
(0.669)24.0
(0.945)II
SAT089F
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AT-464
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REPAIR FOR COMPONENT PARTS
Reverse ClutchECS00EC4
COMPONENTS
DISASSEMBLY
1. Check operation of reverse clutch
a. Install seal ring onto drum support of oil pump cover and install
reverse clutch assembly. Apply compressed air to oil hole.
b. Check to see that retaining plate moves to snap ring.
c. If retaining plate does not contact snap ring:
D-ring might be damaged.
Seal ring might be damaged.
Fluid might be leaking past piston check ball.
2. Remove snap ring.
3. Remove drive plates, driven plates, retaining plate, and dish
plates.
1. Reverse clutch drum 2. D-ring 3. Seal ring
4. Reverse clutch piston 5. Return spring 6. Spring retainer
7. Snap ring 8. Dish plate 9. Driven plate
10. Retaining plate 11. Snap ring 12. Drive plate
SCIA3889E
SAT092F
SCIA5639E
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4. Set SST on spring retainer and remove snap ring from reverse
clutch drum while compressing return spring.
CAUTION:
Set SST direc NISSAN X-TRAIL 2003 Service Repair Manual REPAIR FOR COMPONENT PARTS
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4. Set SST on spring retainer and remove snap ring from reverse
clutch drum while compressing return spring.
CAUTION:
Set SST direc](/manual-img/5/57404/w960_57404-2500.png)
REPAIR FOR COMPONENT PARTS
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4. Set SST on spring retainer and remove snap ring from reverse
clutch drum while compressing return spring.
CAUTION:
Set SST directly over return spring.
Do not expand snap ring excessively.
5. Remove spring retainer and return springs.
6. Remove reverse clutch piston from reverse clutch drum by turn-
ing it.
7. Remove D-ring and seal ring from reverse clutch piston.
INSPECTION
Reverse Clutch Snap Rings, Spring Retainer and Return Spring
Check for deformation, fatigue or damage.
If necessary, replace.
Reverse Clutch Drive Plates
Check facing for burns, cracks or damage.
Measure the thickness of facing.
If not within wear limit, replace.
Reverse Clutch Dish Plates
Check for deformation or damage.
Measure the thickness of dish plate.
If deformed or fatigued, replace.
Reverse Clutch Piston
Make sure that check balls are not fixed.
Apply compressed air to check ball oil hole opposite the return spring. Make sure there is no air leakage.
SAT094FC
SAT096F
Thickness of drive plate:
Standard value: 1.6 mm (0.063 in)
Wear limit: 1.4 mm (0.055 in)
SAT162D
Thickness of dish plate: 3.08 mm (0.1213 in)
SAT163D
Page 2502 of 4179
AT-466
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REPAIR FOR COMPONENT PARTS
Apply compressed air to oil hole on return spring side to make
sure that air leaks past ball.
ASSEMBLY
1. Install D-ring and Seal ring on piston.
CAUTION:
Take care with the direction of Seal ring.
Apply ATF to D-ring and seal ring.
Do not reuse D-ring and seal ring.
2. Install reverse clutch piston by turning it slowly.
CAUTION:
Apply ATF to inner surface of drum.
3. Install return springs and spring retainer on reverse clutch pis-
ton.
4. Set SST on spring retainer and install snap ring while compress-
ing return spring.
CAUTION:
Set SST directly over return spring.
Do not expand snap ring excessively.
SCIA0192E
SCIA3735E
SAT096F
SAT094FC
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5. Install drive plates, driven plates, retaining plate and dish plates.
Refer to AT- 5 3 3 , "
REVERSE CLUTCH" .
CAUTION:
Be careful with the order and the direction of plates.
NOTE:
Install two dish plates fitting each installation direction with
reverse clutch drum groove displaced slightly.
6. Install snap ring.
SCIA4888E
SAT170D
SCIA5639E
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AT-468
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REPAIR FOR COMPONENT PARTS
7. Measure the clearance between retaining plate and snap ring. If
not within allowable limit, select proper retaining plate. Refer to
AT- 5 3 3 , "
REVERSE CLUTCH" .
8. Check operation of reverse clutch. Refer to AT- 4 6 4 , "
DISAS-
SEMBLY" . Specified clearance:
Standard: 0.5 - 0.8mm (0.020 - 0.031 in)
Allowable limit: 1.2 mm (0.047 in)
SAT105F
SAT092F