2008 NISSAN LATIO service

REPAIR FOR COMPONENT PARTS
AT-267
< SERVICE INFORMATION >
D
E
F
G
H
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K
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MA
B
AT
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9. Remove control valve inter body from control valve upper body.
10. Remove pilot filter (1) from control valve upper body (2).
11. Remove separating plate from control valve upper body (2).
12. Check to see that steel balls are properly positioned in control
valve inter body and then remove them.
CAUTION:
Be careful not to lose steel balls.
13. Check to see that steel balls are properly positioned in control
valve upper body and then remove them.
CAUTION:
Be careful not to lose steel balls.
INSPECTION
Control Valve Lower and Upper Bodies
CAUTION:
Be careful not to lose these parts.
SCIA4977E
SCIA7011E
SAT870J
SAT871J

AT-268
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
• Check to see that retainer plates are properly positioned in control
valve lower body.
• Check to see that retainer plates are properly positioned in control
valve upper body.
Oil Strainer
Check wire netting of oil strainer for damage. Replace if necessary.
Shift Solenoid Valves “A” and “B”, Line Pressure Solenoid Valve, Torque Converter Clutch Solenoid Valve and Over-
run Clutch Solenoid Valve
Measure resistance.
• For shift solenoid valve A, refer to AT-137, "
Component Inspec-
tion".
• For shift solenoid valve B, refer to AT-142, "
Component Inspec-
tion".
• For line pressure solenoid valve, refer to AT-133, "
Component
Inspection".
• For torque converter clutch solenoid valve, refer to AT-122, "
Com-
ponent Inspection".
• For overrun clutch solenoid valve, refer to AT-147, "
Component
Inspection".
A/T Fluid Temperature Sensor
Measure resistance.
SCIA4978E
SCIA4979E
SCIA3291E
SCIA3485E

REPAIR FOR COMPONENT PARTS
AT-269
< SERVICE INFORMATION >
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• For A/T fluid temperature sensor, refer to AT-156, "Component
Inspection".
Line Pressure Relief Valve Springs and Torque Converter Pressure Holding Spring
• Check each spring for damage or deformation. Also measure free
length and outer diameter. Refer to AT-343, "
Control Valves".
• Replace springs if deformed or fatigued.
ASSEMBLY
1. Install control valve upper, inter and lower body.
a. Place oil circuit of control valve upper body face up. Install steel
balls in their proper positions.
b. Install reamer bolts (F) from bottom of control valve upper body
(1). Using reamer bolts (F) as guides, install separating plate (2)
as a set.
SCIA7533E
SAT138D
SAT871J
SCIA7010E

AT-270
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
c. Install pilot filter (1) on control valve upper body (2).
d. Place control valve inter body as shown in figure (side of control
valve lower body face up). Install steel balls in their proper posi-
tions.
e. Install control valve inter body (1) on control valve upper body
(2) using reamer bolts (F) as guides.
CAUTION:
Be careful not to dislocate or drop steel balls.
f. Install check balls (1), line pressure relief valve springs (2) and
torque converter pressure holding spring (3) in their proper posi-
tions in control valve lower body (4).
g. Install bolts (E) from bottom of control valve lower body (1).
Using bolts (E) as guides, install separating plate (2) as a set.
h. Install support plates (3) on control valve lower body (1).
SCIA7011E
SAT870J
SCIA7012E
SCIA6491J
SCIA7013E

REPAIR FOR COMPONENT PARTS
AT-271
< SERVICE INFORMATION >
D
E
F
G
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i. Install control valve lower body (1) on control valve inter body (2)
using reamer bolts (F) as guides, and tighten reamer bolts (F)
slightly.
2. Install O-rings on solenoid valves and terminal body.
3. Install and tighten bolts.
(1): Control valve upper body
(2): Control valve inter body
(3): Control valve lower body
(4): Support plate
Bolt length, number and location:
*: Reamer bolt and nut.
SCIA7014E
SCIA7180E
SCIA7058E
Bolt symbol A B C D E F*G
Bolt length “ ” [mm (in)]
13.5
(0.531)58.0
(2.283) 40.0
(1.575)66.0
(2.598)33.0
(1.299)78.0
(3.071)18.0
(0.709)
Number of bolts 6 3 6 11 2 2 1
Tightening torque
[N·m (kg-m, in-lb)]7.84 (0.80, 69)3.92
(0.40, 35)7.84 (0.80, 69)

AT-272
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
a. Install and tighten bolts (B) to the specified torque.
b. Install solenoid valve assembly (1) on control valve assembly.
c. Tighten bolts (A), (C) and (G) to the specified torque.
d. Remove reamer bolts (F), and then set oil strainer (1) on control
valve assembly
e. Install and tighten bolts (A), (D), reamer bolts (F) and nuts to the
specified torque.
f. Tighten bolts (E) to the specified torque.
Control Valve Upper BodyINFOID:0000000001703381
COMPONENTS
:7.84 N·m (0.80 kg-m, 69 in-lb)
ATL0032D
:7.84 N·m (0.80 kg-m, 69 in-lb)
SCIA7008E
:7.84 N·m (0.80 kg-m, 69 in-lb)
SCIA7131E
:3.92 N·m (0.40 kg-m, 35 in-lb)
ATL0035D

REPAIR FOR COMPONENT PARTS
AT-273
< SERVICE INFORMATION >
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1. Retainer plate 2. Plug 3. Cooler check valve spring
4. Cooler check valve 5. Control valve upper body 6. Pilot valve
7. Pilot valve spring 8. Retainer plate 9. 1-2 accumulator retainer plate
10. 1-2 accumulator piston spring 11. 1-2 accumulator piston 12. Plug
13. Retainer plate 14. Retainer plate 15. Plug
16. 1st reducing valve 17. 1st reducing valve spring 18. Retainer plate
SCIA2960J

AT-274
< SERVICE INFORMATION >
REPAIR FOR COMPONENT PARTS
DISASSEMBLY
1. Remove valves at retainer plates.
CAUTION:
Do not use a magnetic pick-up tool.
a. Use a flat-bladed screwdriver A to remove retainer plates (1).
b. Remove retainer plates (1) while holding spring, plugs (2) or
sleeves using a flat-bladed screwdriver A.
CAUTION:
Remove plugs (2) slowly to prevent internal parts from
jumping out.
c. Place mating surface of valve body face down, and remove
internal parts.
CAUTION:
• If a valve is hard to remove, place valve body face down
and lightly tap it with a soft hammer.
• Be careful not to drop or damage valves and sleeves.
INSPECTION
19. 3-2 timing valve spring 20. 3-2 timing valve 21. Retainer plate
22. Plug 23. Overrun clutch reducing valve 24. Overrun clutch reducing valve spring
25. Retainer plate 26. Torque converter relief valve spring 27. Torque converter relief valve
28. Retainer plate 29. Sleeve 30. Plug
31. Torque converter clutch control valve
spring32. Torque converter clutch control
valve33. Retainer plate
34. Plug 35. 1-2 accumulator valve spring 36. 1-2 accumulator valve
SCIA4979E
SCIA7136E
SCIA7137E
SAT137D