2003 NISSAN ALMERA N16 clutch

AT-504
[ALL]
ASSEMBLY
21. Remove paper rolled around input shaft.
22. Install reverse clutch assembly.
●Align teeth of high clutch drive plates before installing.
23. Install reverse clutch assembly.
●Align teeth of high clutch drive plates before installing.
Adjustment (2)ECS007TQ
When any parts listed below are replaced, adjust total end play and reverse clutch end play.
TOTAL END PLAY
●Measure clearance between reverse clutch drum and needle
bearing for oil pump cover.
●Select proper thickness of bearing race so that end play is within
specifications.
SAT372D
SAT373D
Part name Total end playReverse clutch end
play
Transmission case●●
Overrun clutch hub●●
Rear internal gear●●
Rear planetary carrier●●
Rear sun gear●●
Front planetary carrier●●
Front sun gear●●
High clutch hub●●
High clutch drum●●
Oil pump cover●●
Reverse clutch drum —●
SAT374D

ASSEMBLY
AT-505
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
1. Measure dimensions “K” and “L” and then calculate dimension
“J”.
a. Measure dimension “K”.
b. Measure dimension “L”.
c. Calculate dimension “J”.
2. Measure dimension “M”.
a. Place bearing race and needle bearing on oil pump assembly.
b. Measure dimension “M”.
SAT375D
SAT376D
“J”: Distance between oil pump fitting surface of
transmission case and needle bearing mating surface
of high clutch drum.
J = K – L
SAT377D
SAT378D
“M”: Distance between transmission case fitting surface
of oil pump cover and needle bearing on oil pump cover.
“M
1 ”: Indication of gauge.
SAT379D

AT-506
[ALL]
ASSEMBLY
c. Measure thickness of straightedge “t”.
3. Adjust total end play “T
3 ”.
●Select proper thickness of bearing race so that total end play is within specifications.
REVERSE CLUTCH END PLAY
●Measure clearance between oil pump cover and thrust washer
for reverse clutch drum.
●Select proper thickness of thrust washer so that end play is
within specification.
1. Measure dimensions “O” and “P” and then calculate dimension
“N”.
a. Place thrust washer on reverse clutch drum.
b. Measure dimension “O”.M = M
1 – t
SAT443D
T3 = J – M
Total end play “T
3 ”:
0.25 - 0.55 mm (0.0098 - 0.0217 in)
Bearing races: Refer to AT- 5 1 5 , "
SERVICE DATA AND SPECIFICATIONS (SDS)"
.
SAT380D
SAT381D
SAT382D

ASSEMBLY
AT-507
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT
c. Measure dimension “P”.
d. Calculate dimension “N”.
2. Measure dimensions “R” and “S” and then calculate dimension
“Q”.
a. Measure dimension “R”.
b. Measure dimension “S”.
c. Calculate dimension “Q”.
3. Adjust reverse clutch end play “T
4 ”.
●Select proper thickness of thrust washer so that reverse clutch end play is within specifications. “N”: Distance between oil pump fitting surface of trans-
mission case and thrust washer on reverse clutch
drum.
N = O – P
SAT383D
SAT384D
SAT385D
“Q”: Distance between transmission case fitting sur-
face and thrust washer mating surface.
Q = R – S
SAT386D
T4 = N – Q
Reverse clutch end play:
0.65 - 1.00 mm (0.0256 - 0.0394 in)
Thrust washer: Refer to AT-515, "
SERVICE DATA AND SPECIFICATIONS (SDS)" .

AT-508
[ALL]
ASSEMBLY
Assembly (3)
ECS007TR
1. Remove reverse clutch assembly and install needle bearing on
high clutch assembly.
●Pay attention to direction of needle bearing.
2. Install reverse clutch assembly
3. Install anchor end pin and lock nut on transmission case.
4. Place brake band on outside of reverse clutch drum. Tighten
anchor end pin just enough so that brake band is evenly fitted on
reverse clutch drum.
5. Place bearing race selected in total end play adjustment step on
oil pump cover.
●Apply petroleum jelly to bearing race.
6. Place thrust washer selected in reverse clutch end play step on
reverse clutch drum.
●Apply petroleum jelly to thrust washer.
SAT387D
SAT038D
SAT389D
SAT390D

AT-516
[ALL]
SERVICE DATA AND SPECIFICATIONS (SDS)
Control Valves
ECS007TW
CONTROL VALVE AND PLUG RETURN SPRINGS
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Clutch and BrakesECS007TX
REVERSE CLUTCH
*: Always check with the Parts Department for the latest parts information.
HIGH CLUTCH
No. Parts Part No.* Free length Outer diameter
Upper body
Refer to “Control
Valve Upper
Body”, AT- 4 4 9
.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 spring 31742-3AX09 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)
10Torque converter clutch control valve
spring31742-3AX02 53.01 (2.0870) 6.5 (0.256)
Lower body
Refer to “Control
Valve Lower
Body”, AT- 4 5 3
.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 valve spring31742-41X15 30.5 (1.201) 9.8 (0.386)
7 31742-80X16 32.0 (1.260) 6.9 (0.272)
— Fluid cooler relief valve spring 31872-31X00 17.02 (0.670) 8.0 (0.315)
— T/C pressure spring 31742-3AX07 9.0 (0.354) 7.3 (0.287)
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
Number of drive plates3
Number of driven plates5
Drive plate
thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.5 (0.059)
Clearance mm (in)Standard 1.4 - 1.8 (0.055 - 0.071)
Allowable limit 2.4 (0.094)

SERVICE DATA AND SPECIFICATIONS (SDS)
AT-517
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT*: Always check with the Parts Department for the latest parts information.
FORWARD CLUTCH
*: Always check with the Parts Department for the latest parts information.
OVERRUN CLUTCH
*: Always check with the Parts Department for the latest parts information.
LOW & REVERSE BRAKE
Thickness of retaining platesThickness 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
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 platesThickness 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
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 1.0 - 1.4 (0.039 - 0.055)
Allowable limit 2.0 (0.079)
Thickness of retaining platesThickness 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
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)

AT-518
[ALL]
SERVICE DATA AND SPECIFICATIONS (SDS)
*: Always check with the Parts Department for the latest parts information.
BRAKE BAND
Clutch and Brake Return SpringsECS007TY
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Oil PumpECS007TZ
*: Always check with the Parts Department for the latest parts information.
Input ShaftECS007U0
Unit: mm (in)
Planetary carrierECS007U1
Unit: mm (in) Thickness of retaining platesThickness 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
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)
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
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
housing 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)
Input shaft seal ring clearanceStandard 0.08 - 0.23 (0.0031 - 0.0091)
Allowable limit 0.23 (0.0091)
Clearance between planetary carrier
and pinion washerStandard 0.15 - 0.70 (0.0059 - 0.0276)
Allowable limit 0.80 (0.0315)