Content .. 68 69 70 71 ..

Infiniti Q45 (FY33). Manual - part 70

RETURN SPRINGS

Unit: mm (in)

Parts

Item

Part No.*

Free length

Outer diameter

Control
valve

Upper
body

Torque converter relief

valve spring

31742-41X23

38.0 (1.496)

9.0 (0.354)

Pressure regulator valve

spring

31742-41X24

44.02 (1.7331)

14.0 (0.551)

Pressure modifier valve

spring

31742-41X19

31.95 (1.2579)

6.8 (0.268)

Shuttle shift valve D

spring

31762-41X00

26.5 (1.043)

5.75 (0.2264)

4-2 sequence valve sprig

31756-41X00

29.1 (1.146)

6.95 (0.2736)

Shift valve B spring

31762-41X01

25.0 (0.984)

7.0 (0.276)

4-2 relay valve spring

31756-41X00

29.1 (1.146)

6.95 (0.2736)

Shift valve A spring

31762-41X01

25.0 (0.984)

7.0 (0.276)

Overrun clutch control

valve spring

31762-41X03

23.6 (0.929)

7.0 (0.276)

Overrun clutch reducing

valve spring

31742-41X63

32.5 (1.280)

7.0 (0.276)

Shuttle shift valve S

spring

31762-41X04

51.0 (2.008)

5.65 (0.2224)

Pilot valve spring

31742-41X13

25.7 (1.012)

9.1 (0.358)

Torque converter clutch

control valve spring

31742-41X22

18.5 (0.728)

13.0 (0.512)

Lower
body

Modifier accumulator pis-

ton spring

31742-27X70

31.4 (1.236)

9.8 (0.386)

1st reducing valve spring

31756-41X05

25.4 (1.000)

6.75 (0.2657)

3-2 timing valve spring

31742-41X06

23.0 (0.906)

6.7 (0.264)

Servo charger valve

spring

31742-41X06

23.0 (0.906)

6.7 (0.264)

Reverse clutch

12 pcs

31521-51X02

(Assembly)

40.0 (1.575)

14.8 (0.583)

High clutch

10 pcs

31521-51X03

(Assembly)

24.2 (0.953)

11.6 (0.457)

Forward clutch
(Overrun clutch)

20 pcs

31521-51X01

(Assembly)

36.8 (1.449)

10.7 (0.421)

Low & reverse brake

Inner spring

16 pcs

31505-51X06

20.43 (0.8043)

10.3 (0.406)

Outer spring

16 pcs

31505-51X05

20.35 (0.8012)

13.0 (0.512)

Band servo

Spring

31605-41X17

52.0 (2.047)

38.7 (1.524)

Spring

31605-41X01

29.7 (1.169)

27.6 (1.087)

Accumulator

31605-41X02

43.0 (1.693)

18.0 (0.709)

Accumulator

31605-41X10

66.0 (2.598)

20.0 (0.787)

Accumulator

31605-51X01

45.0 (1.772)

29.3 (1.154)

Accumulator

31605-41X06

58.4 (2.299)

17.3 (0.681)

*: Always check with the Parts Department for the latest parts information.

IDX

SERVICE DATA AND SPECIFICATIONS (SDS)

Specifications and Adjustment (Cont’d)

AT-277

ACCUMULATOR O-RING

Accumulator

Diameter mm (in)

Small diameter end

29 (1.14)

32 (1.26)

45 (1.77)

29 (1.14)

Large diameter end

45 (1.77)

50 (1.97)

45 (1.77)

CLUTCHES AND BRAKES

Reverse clutch

Number of drive plates

Number of driven plates

Thickness of drive plate

mm (in)

Standard

1.90 - 2.05 (0.0748 - 0.0807)

Wear limit

1.8 (0.071)

Clearance

mm (in)

Standard

0.6 - 0.9 (0.024 - 0.035)

Allowable limit

1.5 (0.059)

Thickness of retaining plate

Thickness

mm (in)

Part number*

4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)

31537-51X61
31537-51X00
31537-51X01
31537-51X02

High clutch

Number of drive plates

Number of driven plates

Thickness of drive plate

mm (in)

Standard

1.52 - 1.67 (0.0598 - 0.0657)

Wear limit

1.4 (0.055)

Clearance

mm (in)

Standard

1.8 - 2.2 (0.071 - 0.087)

Allowable limit

3.4 (0.134)

Thickness of retaining plate

Thickness

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)

31537-51X61
31537-51X00
31537-51X01
31537-51X02
31537-51X03
31537-51X04

*: Always check with the Parts Department for the latest parts informa-

tion.

Forward clutch

Number of drive plates

Number of driven plates

Thickness of drive plate

mm (in)

Standard

1.90 - 2.05 (0.0748 - 0.0807)

Wear limit

1.6 (0.063)

Clearance

mm (in)

Standard

0.35 - 0.75 (0.0138 - 0.0295)

Allowable limit

1.95 (0.0768)

Thickness of retaining plate

Thickness

mm (in)

Part number*

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)

31537-51X06
31537-51X07
31537-51X08
31537-51X09
31537-51X10
31537-51X69
31537-51X70

Overrun clutch

Number of drive plates

Number of driven plates

Thickness of drive plate

mm (in)

Standard

1.52 - 1.67 (0.0598 - 0.0657)

Wear limit

1.8 (0.071)

Clearance

mm (in)

Standard

1.0 - 1.4 (0.039 - 0.055)

Allowable limit

2.2 (0.087)

Thickness of retaining plate

Thickness

mm (in)

Part number*

3.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)

31537-51X11

31537-51X12
31537-51X13
31537-51X14
31537-51X15
31537-51X64

*: Always check with the Parts Department for the latest parts informa-

tion.

SERVICE DATA AND SPECIFICATIONS (SDS)

Specifications and Adjustment (Cont’d)

AT-278

Low & reverse brake

Number of drive plates

Number of driven plates

Thickness of drive plate

mm (in)

Standard

1.52 - 1.67 (0.0598 - 0.0657)

Wear limit

1.4 (0.055)

Clearance

mm (in)

Standard

0.50 - 0.80 (0.0197 - 0.0315)

Allowable limit

2.2 (0.087)

Thickness of retaining plate

Thickness

mm (in)

Part number*

3.6 (0.142)
4.0 (0.157)
4.2 (0.165)
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)
6.0 (0.236)
6.2 (0.244)

31667-51X12

31667-51X11

31667-51X10
31667-51X00
31667-51X01
31667-51X02
31667-51X03
31667-51X04
31667-51X05
31667-51X06
31667-51X07
31667-51X08
31667-51X09

Brake band

Anchor end pin nut tightening
torque

⋅

m (kg-m, ft-lb)

40 - 50

(4.1 - 5.2, 30 - 37)

Anchor end pin tightening
torque

⋅

m (kg-m, in-lb)

4 - 6

(0.4 - 0.6, 35 - 52)

Number of returning revolutions
for anchor end pin

2.5

*: Always check with the Parts Department for the latest parts informa-

tion.

OIL PUMP AND LOW ONE-WAY CLUTCH

Oil pump clearance

mm (in)

Cam ring — oil pump housing

Standard

0.01 - 0.024

(0.0004 - 0.0009)

Rotor, vanes and control
piston — oil pump housing

Standard

0.03 - 0.044

(0.0012 - 0.0017)

Seal ring clearance

mm (in)

Standard

0.10 - 0.30 (0.0039 - 0.0118)

Allowable limit

0.30 (0.0118)

TOTAL END PLAY

Total end play “T

”

0.25 - 0.55 mm

(0.0098 - 0.0217 in)

Thickness of oil pump
cover bearing race

Thickness

mm (in)

Part number*

0.8 (0.031)
1.0 (0.039)
1.2 (0.047)
1.4 (0.055)
1.6 (0.063)
1.8 (0.071)
2.0 (0.079)

31435-41X01
31435-41X02
31435-41X03
31435-41X04
31435-41X05
31435-41X06
31435-41X07

*: Always check with the Parts Department for the latest parts informa-

tion.

REVERSE CLUTCH DRUM END PLAY

Reverse clutch drum end play
“T

”

0.55 - 0.90 mm

(0.0217 - 0.0354 in)

Thickness of oil pump thrust
washer

Thickness

mm (in)

Part number*

0.9 (0.035)
1.1 (0.043)
1.3 (0.051)
1.5 (0.059)
1.7 (0.067)
1.9 (0.075)

31528-21X01
31528-21X02
31528-21X03
31528-21X04
31528-21X05
31528-21X06

*: Always check with the Parts Department for the latest parts informa-

tion.

REMOVAL AND INSTALLATION

Manual control linkage

Number of returning
revolutions for lock nut

Lock nut tightening torque

18 - 23 N

⋅

(1.8 - 2.3 kg-m, 13 - 17 ft-lb)

Distance between end of converter
housing and torque converter

22.0 mm (0.866 in) or more

IDX

SERVICE DATA AND SPECIFICATIONS (SDS)

Specifications and Adjustment (Cont’d)

AT-279

Shift Solenoid Valves

Gear position

Shift solenoid valve A

ON (Closed)

OFF (Open)

ON (Closed)

Shift solenoid valve B

ON (Closed)

OFF (Open)

Solenoid Valves

Solenoid valves

Resistance (Approx.)

Ω

Terminal No.

Shift solenoid valve A

20 - 40

Shift solenoid valve B

20 - 40

Overrun clutch solenoid valve

20 - 40

Line pressure solenoid valve

2.5 - 5

Torque converter clutch solenoid valve

10 - 20

A/T Fluid Temperature Sensor

Remarks: Specification data are reference values.

Monitor item

Condition

Specification (Approx.)

A/T fluid temperature sensor

Cold [20°C (68°F)]

Hot [80°C (176°F)]

1.5V

0.5V

2.5 k

Ω

0.3 k

Ω

Turbine Revolution Sensor

Terminal No.

Resistance

2.4 - 2.8 k

Ω

No continuity

Revolution Sensor

Terminal No.

Resistance

500 - 650

Ω

No continuity

Dropping Resistor

Resistance

11.2 - 12.8

Ω

SERVICE DATA AND SPECIFICATIONS (SDS)

AT-280

Content .. 68 69 70 71 ..