2001 NISSAN ALMERA brakes

Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings - 3AX00, 01,
19, 63 and 64 models..............................................364
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings - 3AX10 and
3AX18 models .........................................................365
DISASSEMBLY............................................................366
REPAIR FOR COMPONENT PARTS.........................381
Manual Shaft............................................................381
Oil Pump ..................................................................384
Control Valve Assembly ...........................................388
Control Valve Upper Body .......................................397
Control Valve Lower Body .......................................401
Reverse Clutch ........................................................403
High Clutch ..............................................................407
Forward Clutch and Overrun Clutch........................412
Low & Reverse Brake..............................................419
Rear Internal Gear, Forward Clutch Hub and
Overrun Clutch Hub .................................................423
O/Shaft, O/Gear, I/Gear, R/Pinion Gear and B/
Retainer - 3AX00, 01, 19, 63 and 64 models .........427
Output Shaft, Idler Gear, Reduction Pinion Gear
and Bearing Retainer - 3AX10 and 3AX18
models .....................................................................432
Band Servo Piston Assembly ..................................437
Final Drive................................................................442
ASSEMBLY..................................................................446
Assembly (1) ............................................................446
Adjustment (1) .........................................................447
Assembly (2) ............................................................455Adjustment (2) .........................................................459
Assembly (3) ............................................................462
Assembly (4) ............................................................465
SERVICE DATA AND SPECIFICATIONS (SDS).......470
General Specifications .............................................470
Shift Schedule..........................................................470
Stall Revolution ........................................................473
Line Pressure...........................................................473
Control Valves..........................................................474
Clutch and Brakes ...................................................474
Clutch and Brake Return Springs............................477
Oil Pump ..................................................................477
Input Shaft ...............................................................478
Planetary Carrier......................................................478
Final Drive................................................................478
Reduction Pinion Gear ............................................480
Output Shaft - 3AX00, 3AX01, 3AX19, 3AX63
and 3AX64 models ..................................................481
Output Shaft - 3AX10 and 3AX18 models ..............483
Bearing Retainer ......................................................484
Total End Play..........................................................484
Reverse Clutch End Play ........................................484
Accumulator .............................................................484
Band Servo ..............................................................485
Removal and Installation .........................................485
Shift Solenoid Valves ...............................................485
Resistance ...............................................................485
ATF Temp. Sensor ...................................................485
Revolution Sensor ...................................................485
Dropping Resistor ....................................................485
CONTENTS(Cont'd)
AT-4

Diagnostic Worksheet=NJAT0023S0102
1.NRead the Fail-safe and listen to customer complaints. AT-9
2.NCHECK A/T FLUIDAT-80
NLeakage (Follow specified procedure)
NFluid condition
NFluid level
3.NPerform STALL TEST and LINE PRESSURE TEST. AT-80, 84
NStall test Ð Mark possible damaged components/others.
NTorque converter one-way clutch
NReverse clutch
NForward clutch
NOverrun clutch
NForward one-way clutchNLow & reverse brake
NLow one-way clutch
NEngine
NLine pressure is low
NClutches and brakes except high clutch
and brake band are OK
NLine Pressure test Ð Suspected parts:
4.NPerform all ROAD TEST and mark required procedures. AT-85
4-1. Check before engine is started. AT-87
NSELF-DIAGNOSTIC PROCEDURE Ð Mark detected items.
NVehicle speed sensor´A/T (Revolution sensor), AT-126.
NVehicle speed sensor´MTR, AT-131.
NThrottle position sensor, AT-134.
NShift solenoid valve A, AT-142.
NShift solenoid valve B, AT-148.
NOverrun clutch solenoid valve, AT-154.
NTorque converter clutch solenoid valve, AT-159.
NA/T fluid temperature sensor and TCM power source, AT-165.
NEngine speed signal, AT-172.
NLine pressure solenoid valve, AT-176.
NControl unit (RAM), control unit (ROM), AT-286.
NControl unit (EEP ROM), AT-288.
NPNP, overdrive control and throttle position switches, AT-334.
NBattery
NOthers
4-2. Check at idleAT-89
N1. O/D OFF Indicator Lamp Does Not Come On, AT-296.
N2. Engine Cannot Be Started In ªPº And ªNº Position, AT-299.
N3. In ªPº Position, Vehicle Moves Forward Or Backward When Pushed, AT-300.
N4. In ªNº Position, Vehicle Moves, AT-301.
N5. Large Shock. ªNº®ªRº Position, AT-303.
N6. Vehicle Does Not Creep Backward In ªRº Position, AT-305.
N7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position, AT-308.
TROUBLE DIAGNOSIS Ð
INTRODUCTION
EXCEPT FOR EURO-OBD
Introduction (Cont'd)
AT-71

Diagnostic Worksheet=NJAT0257S0102
1.NRead the Fail-safe and listen to customer complaints. AT-9
2.NCHECK A/T FLUIDAT-80
NLeakage (Follow specified procedure)
NFluid condition
NFluid level
3.NPerform STALL TEST and LINE PRESSURE TEST. AT-80, 84
NStall test Ð Mark possible damaged components/others.
NTorque converter one-way clutch
NReverse clutch
NForward clutch
NOverrun clutch
NForward one-way clutchNLow & reverse brake
NLow one-way clutch
NEngine
NLine pressure is low
NClutches and brakes except high clutch and
brake band are OK
NLine Pressure test Ð Suspected parts:
4.NPerform all ROAD TEST and mark required procedures. AT-85
4-1. Check before engine is started. AT-87
NSELF-DIAGNOSTIC PROCEDURE Ð Mark detected items.
NPNP switch, AT-183.
NA/T fluid temperature sensor, AT-189.
NVehicle speed sensor´A/T (Revolution sensor), AT-195.
NEngine speed signal, AT-200.
NTorque converter clutch solenoid valve, AT-233.
NLine pressure solenoid valve, AT-239.
NShift solenoid valve A, AT-246.
NShift solenoid valve B, AT-252.
NThrottle position sensor, AT-258.
NOverrun clutch solenoid valve, AT-268.
NPNP, overdrive control and throttle position switches, AT-334.
NA/T fluid temperature sensor and TCM power source, AT-274.
NVehicle speed sensor´MTR, AT-281.
NControl unit (RAM), control unit (ROM), AT-286.
NControl unit (EEP ROM), AT-288.
NBattery
NOthers
4-2. Check at idleAT-89
N1. O/D OFF Indicator Lamp Does Not Come On, AT-296.
N2. Engine Cannot Be Started In ªPº And ªNº Position, AT-299.
N3. In ªPº Position, Vehicle Moves Forward Or Backward When Pushed, AT-300.
N4. In ªNº Position, Vehicle Moves, AT-301.
N5. Large Shock. ªNº®ªRº Position, AT-303.
N6. Vehicle Does Not Creep Backward In ªRº Position, AT-305.
N7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position, AT-308.
TROUBLE DIAGNOSIS Ð INTRODUCTIONEURO-OBD
Introduction (Cont'd)
AT-76

Symptom Condition Diagnostic ItemReference Page
General and
except for
Euro-OBDEURO-OBD
Clutches or brakes slip somewhat
in starting.ON vehicle1. Fluid level AT-80¬
2. Control cable adjustment AT-352¬
3. Throttle position sensor (Adjustment)EC-207,
ªDTC P0120
THROTTLE
POSITION
SENSORºEC-207,
ªDTC P0120
THROTTLE
POSITION
SENSORº
4. Line pressure test AT-84¬
5. Line pressure solenoid valve AT-176 AT-239
6. Control valve assembly AT-351¬
7. Accumulator N-D AT-351¬
OFF vehicle8. Forward clutch AT-412¬
9. Reverse clutch AT-403¬
10. Low & reverse brake AT-419¬
11. Oil pump AT-384¬
12. Torque converter AT-366¬
Excessive creep. ON vehicle 1. Engine idling rpmEC-43, ªIdle
Speed and
Ignition Tim-
ingºEC-43, ªIdle
Speed and
Ignition Tim-
ingº
No creep at all.
AT-305 and AT-308ON vehicle1. Fluid level AT-80¬
2. Line pressure test AT-84¬
3. Control valve assembly AT-351¬
OFF vehicle4. Forward clutch AT-412¬
5. Oil pump AT-384¬
6. Torque converter AT-366¬
Failure to change gear from ªD
1º
to ªD
2º.ON vehicle1. PNP switch adjustment AT-352¬
2. Control cable adjustment AT-352¬
3. Shift solenoid valve A AT-142 AT-246
4. Control valve assembly AT-351¬
5. Vehicle speed sensor´A/T (Revolution
sensor) and vehicle speed sensor´MTRAT-126,
AT-131AT-195,
AT-281
OFF vehicle 6. Brake band AT-437¬
TROUBLE DIAGNOSIS Ð GENERAL DESCRIPTION
Symptom Chart (Cont'd)
AT-107

Control ValvesNJAT0183CONTROL VALVE AND PLUG RETURN SPRINGSNJAT0183S01Unit: mm (in)
No. Parts Part No.* Free length Outer diameter
Upper
body
Refer to
ªControl
Valve
Upper
Bodyº,
AT-397.35 3-2 timing valve spring 31736-01X00 23.0 (0.906) 6.65 (0.2618)
19 Cooler check valve spring 31742-3AX05 28.04 (1.1039) 7.15 (0.2815)
23 Pilot valve spring 31742-3AX03 38.98 (1.5346) 8.9 (0.350)
15 1-2 accumulator valve spring 31742-3AX00 20.5 (0.807) 6.95 (0.2736)
28 1-2 accumulator piston springQG13DE
model31742-3AX08 55.26 (2.1756) 19.6 (0.772)
QG15DE,
QG16DE
&
QG18DE
models31742-3AX09 55.66 (2.1913) 19.5 (0.7677)
33 1st reducing valve spring 31742-80X05 27.0 (1.063) 7.0 (0.276)
2 Overrun clutch reducing valve spring 31742-80X06 37.5 (1.476) 7.0 (0.276)
7 Torque converter relief valve spring 31742-3AX04 33.3 (1.3110) 9.0 (0.354)
10 Torque converter clutch control valve spring 31742-3AX02 53.01 (2.0870) 6.5 (0.256)
Lower
body
Refer to
ªControl
Valve
Lower
Bodyº,
AT-401.34 Shuttle valve spring 31762-41X04 51.0 (2.0079) 5.65 (0.2224)
18 Pressure regulator valve spring 31742-80X13 45.0 (1.772) 15.0 (0.591)
23 Overrun clutch control valve spring 31762-80X00 21.7 (0.854) 7.0 (0.276)
27 Accumulator control valve spring 31742-80X02 22.0 (0.866) 6.5 (0.256)
29 Shift valve A spring 31762-80X00 21.7 (0.854) 7.0 (0.276)
2 Shift valve B spring 31762-80X00 21.7 (0.854) 7.0 (0.276)
11 Pressure modifier piston spring 31742-41X15 30.5 (1.201) 9.8 (0.386)
7 Pressure modifier valve spring 31742-80X16 32.0 (1.260) 6.9 (0.272)
Ð Oil cooler relief valve spring 31872-31X00 17.02 (0.6701) 8.0 (0.315)
Ð T/C pressure spring 31742-3AX07 9.0 (0.354) 7.3 (0.287)
*: Always check with the Parts Department for the latest parts information.
Clutch and BrakesNJAT0184REVERSE CLUTCHNJAT0184S01
Number of drive plates2
Number of driven plates2
Drive plate thickness mm (in)Standard 2.0 (0.079)
Allowable limit 1.8 (0.071)
Clearance mm (in)Standard 0.5 - 0.8 (0.020 - 0.031)
Allowable limit 1.2 (0.047)
Thickness of retaining platesThickness mm (in) Part number*
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)31537-31X00
31537-31X01
31537-31X02
31537-31X03
31537-31X04
*: Always check with the Parts Department for the latest parts information.
SERVICE DATA AND SPECIFICATIONS (SDS)
Control Valves
AT-474

HIGH CLUTCHNJAT0184S021. QG13DE + 3AX00, 3AX63 models
Number of drive plates2
Number of driven plates6
Drive plate thickness mm (in)Standard 2.0 (0.079)
Allowable limit 1.4 (0.055)
Clearance mm (in)Standard 1.4 - 1.8 (0.055 - 0.071)
Allowable limit 2.4 (0.094)
Thickness of retaining platesThickness mm (in) Part number*
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
5.4 (0.213)
5.6 (0.220)
5.8 (0.228)31537-32X03
31537-32X04
31537-32X05
31537-32X06
31537-32X07
31537-32X08
31537-32X09
31537-32X10
*: Always check with the Parts Department for the latest parts information.
2. QG15DE + 3AX01 model/QG16DE + 3AX19, 3AX64 models
Number of drive plates3
Number of driven plates5
Drive plate thickness mm (in)Standard 2.0 (0.079)
Allowable limit 1.8 (0.071)
Clearance mm (in)Standard 1.4 - 1.8 (0.055 - 0.071)
Allowable limit 2.4 (0.094)
Thickness of retaining plateThickness mm (in) Part number*
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
5.4 (0.213)
5.6 (0.220)
5.8 (0.228)
6.0 (0.236)31537-32X05
31537-32X06
31537-32X07
31537-32X08
31537-32X09
31537-32X10
31537-32X11
*: Always check with the Parts Department for the latest parts information.
3. QG18DE + 3AX10, 3AX18 models
Number of drive plates3
Number of driven plates5
Drive plate thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.4 (0.055)
Clearance mm (in)Standard 1.4 - 1.8 (0.055 - 0.071)
Allowable limit 2.4 (0.094)
Thickness of retaining plateThickness mm (in) Part number*
3.6 (0.142)
3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)31537-32X12
31537-32X00
31537-32X01
31537-32X02
31537-32X03
31537-32X04
31537-32X05
*: Always check with the Parts Department for the latest parts information.
SERVICE DATA AND SPECIFICATIONS (SDS)
Clutch and Brakes (Cont'd)
AT-475

FORWARD CLUTCHNJAT0184S03
Number of drive plates5
Number of driven plates5
Drive plate thickness mm (in)Standard 1.8 (0.071)
Allowable limit 1.6 (0.063)
Clearance mm (in)Standard 0.45 - 0.85 (0.0177 - 0.0335)
Allowable limit 1.85 (0.0728)
Thickness of retaining plateThickness mm (in) Part number*
3.6 (0.142)
3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)31537-31X60
31537-31X61
31537-31X62
31537-31X63
31537-31X64
31537-31X65
*: Always check with the Parts Department for the latest parts information.
OVERRUN CLUTCHNJAT0184S04
Number of drive plates3
Number of driven plates4
Drive plate thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.4 (0.055)
Clearance mm (in)Standard 1.0 - 1.4 (0.039 - 0.055)
Allowable limit 2.0 (0.079)
Thickness of retaining plateThickness mm (in) Part number*
3.6 (0.142)
3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)31567-31X79
31567-31X80
31567-31X81
31567-31X82
31567-31X83
*: Always check with the Parts Department for the latest parts information.
LOW & REVERSE BRAKENJAT0184S051. QG13DE + 3AX00, 3AX63 models
Number of drive plates4
Number of driven plates3+1
Drive plate thickness mm (in)Standard 2.0 (0.079)
Allowable limit 1.8 (0.071)
Clearance mm (in)Standard 1.4 - 1.8 (0.055 - 0.071)
Allowable limit 2.8 (0.110)
Thickness of retaining plateThickness mm (in) Part number*
3.6 (0.142)
3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)31667-31X16
31667-31X17
31667-31X18
31667-31X19
31667-31X20
31667-31X21
*: Always check with the Parts Department for the latest parts information.
SERVICE DATA AND SPECIFICATIONS (SDS)
Clutch and Brakes (Cont'd)
AT-476

2. QG15DE + 3AX01 model/QG16DE + 3AX19, 3AX64 models/QG18DE + 3AX10, 3AX18 models
Number of drive plates5
Number of driven plates4+1
Drive plate thickness mm (in)Standard 2.0 (0.079)
Allowable limit 1.8 (0.071)
Clearance mm (in)Standard 1.4 - 1.8 (0.055 - 0.071)
Allowable limit 2.8 (0.110)
Thickness of retaining plateThickness mm (in) Part number*
3.6 (0.142)
3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)31667-31X16
31667-31X17
31667-31X18
31667-31X19
31667-31X20
31667-31X21
*: Always check with the Parts Department for the latest parts information.
BRAKE BANDNJAT0184S06
Anchor end pin tightening torque 3.5 - 5.8 N´m (0.35 - 0.6 kg-m, 31 - 52 in-lb)
Number of returning revolutions for anchor end pin 2.5±0.125
Lock nut tightening torque 31 - 36 N´m (3.2 - 3.7 kg-m, 23 - 27 ft-lb)
Clutch and Brake Return SpringsNJAT0185Unit: mm (in)
Parts Free length Outer diameter Part number*
Forward clutch (Overrun clutch)Outer (16 pcs) 26.6 (1.047) 10.6 (0.417) 31505-31X02
Inner (16 pcs) 26.3 (1.035) 7.7 (0.303) 31505-31X03
Reverse clutch (16 pcs) 18.6 (0.732) 8.0 (0.315) 31505-31X00
High clutch (12 pcs) 19.7 (0.776) 11.1 (0.437) 31505-31X01
Low reverse brake (20 pcs) 25.1 (0.988) 7.6 (0.299) 31505-31X04
*: Always check with the Parts Department for the latest parts information.
Oil PumpNJAT0186
Oil pump side clearance mm (in) 0.02 - 0.04 (0.0008 - 0.0016)
Thickness of inner gears and outer gearsInner gear
Thickness mm (in) Part number*
9.99 - 10.00 (0.3933 - 0.3937)
9.98 - 9.99 (0.3929 - 0.3933)
9.97 - 9.98 (0.3925 - 0.3929)31346-31X00
31346-31X01
31346-31X02
Outer gear
Thickness mm (in) Part number*
9.99 - 10.00 (0.3933 - 0.3937)
9.98 - 9.99 (0.3929 - 0.3933)
9.97 - 9.98 (0.3925 - 0.3929)31347-31X00
31347-31X01
31347-31X02
Clearance between oil pump hous-
ing and outer gear mm (in)Standard 0.08 - 0.15 (0.0031 - 0.0059)
Allowable limit 0.15 (0.0059)
Oil pump cover seal ring clearance
mm (in)Standard 0.1 - 0.25 (0.0039 - 0.0098)
Allowable limit 0.25 (0.0098)
SERVICE DATA AND SPECIFICATIONS (SDS)
Clutch and Brakes (Cont'd)
AT-477