Content .. 88 89 90 91 ..

Infiniti QX4 (R50). Manual - part 90

Return Springs

NBAT0165

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)

—

Accumulator control valve spring

—

Shuttle shift valve D spring

31762-41X01

25.0 (0.984)

7.0 (0.276)

4-2 sequence valve spring

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

31742-41X14

38.9 (1.531)

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)

9.0 (0.354)

Torque converter clutch control valve spring

31742-41X22

18.5 (0.728)

13.0 (0.512)

Lower body

Modifier accumulator piston spring

31742-27X70

31.4 (1.236)

9.8 (0.386)

1st reducing valve spring

31756-60X00

20.5 (0.807)

7.0 (0.276)

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

—

31505-41X07

—

High clutch

10 pcs

31521-41X03

(Assembly)

24.2 (0.9528)

11.6 (0.457)

Forward clutch (Overrun clutch)

20 pcs

31521-41X04

(Assembly)

35.77 (1.4083)

9.7 (0.382)

Low & reverse brake

18 pcs

31655-41X00

(Assembly)

22.3 (0.878)

11.2 (0.441)

Band servo

Spring A

31605-4AX03

45.6 (1.795)

34.3 (1.350)

Spring B

31605-41X01

29.7 (1.169)

27.6 (1.087)

Accumulator

Accumulator A

31605-41X02

43.0 (1.693)

18.0 (0.709)

Accumulator B

31605-41X14

47.6 (1.874)

26.5 (1.043)

Accumulator C

31605-41X09

45.0 (1.772)

29.3 (1.154)

Accumulator D

31605-41X06

58.4 (2.299)

17.3 (0.681)

IDX

SERVICE DATA AND SPECIFICATIONS (SDS)

Return Springs

AT-357

Accumulator O-ring

NBAT0166

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

NBAT0167

REVERSE CLUTCH

NBAT0167S01

Code number

4EX16

4EX17

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

1.80 (0.0709)

Clearance mm (in)

Standard

0.5 - 0.8 (0.020 - 0.031)

Allowable limit

1.2 (0.047)

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)

31537-42X20
31537-42X21
31537-42X22
31537-42X23
31537-42X24

HIGH CLUTCH

NBAT0167S02

Code number

4EX16

4EX17

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

1.40 (0.0551)

Clearance mm (in)

Standard

1.8 - 2.2 (0.071 - 0.087)

Allowable limit

3.2 (0.126)

Thickness of retaining plate

Thickness mm (in)

Part number*

4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)

31537-41X63
31537-41X64
31537-41X65
31537-41X66
31537-41X67
31537-41X68

SERVICE DATA AND SPECIFICATIONS (SDS)

Accumulator O-ring

AT-358

FORWARD CLUTCH

NBAT0167S03

Code number

4EX16

4EX17

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

1.40 (0.0551)

Clearance mm (in)

Standard

0.35 - 0.75 (0.0138 - 0.0295)

Allowable limit

2.15 (0.0846)

2.35 (0.0925)

Thickness of retaining plate

Thickness mm (in)

Part number*

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)

31537-42X13
31537-42X14
31537-42X15

31537-4AX00
31537-4AX01
31537-4AX02

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)

31537-42X11

31537-42X12
31537-42X13
31537-42X14
31537-42X15

31537-4AX00
31537-4AX01

OVERRUN CLUTCH

NBAT0167S04

Code number

4EX16

4EX17

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

1.80 (0.0709)

Clearance mm (in)

Standard

1.0 - 1.4 (0.039 - 0.055)

Allowable limit

2.0 (0.079)

Thickness of retaining plate

Thickness mm (in)

Part number*

4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)

31537-41X80
31537-41X81
31537-41X82
31537-41X83
31537-41X84

IDX

SERVICE DATA AND SPECIFICATIONS (SDS)

Clutches and Brakes (Cont’d)

AT-359

LOW & REVERSE BRAKE

NBAT0167S05

Code number

4EX16

4EX17

Number of drive plates

Number of driven plates

Thickness of drive plate mm (in)

Standard

1.90 - 2.05 (0.0748 - 0.0807)

1.52 - 1.67 (0.0598 - 0.0657)

Wear limit

1.40 (0.0551)

Clearance mm (in)

Standard

0.8 - 1.1 (0.031 - 0.043)

Allowable limit

2.7 (0.106)

Thickness of retaining plate

Thickness mm (in)

Part number*

7.6 (0.299)
7.8 (0.307)
8.0 (0.315)
8.2 (0.323)
8.4 (0.331)
8.6 (0.339)
8.8 (0.346)
9.0 (0.354)
9.2 (0.362)
9.4 (0.370)
9.6 (0.378)

31667-41X07
31667-41X08
31667-41X00
31667-41X01
31667-41X02
31667-41X03
31667-41X04
31667-41X05
31667-41X06
31667-41X09
31667-41X10

BRAKE BAND

NBAT0167S06

Anchor end bolt nut tightening torque

40 - 51 N·m (4.1 - 5.2 kg-m, 30 - 38 ft-lb)

Anchor end bolt tightening torque

4 - 6 N·m (0.4 - 0.6 kg-m, 35 - 52 in-lb)

Number of returning revolution for anchor end bolt

2.5

Oil Pump and Low One-way Clutch

NBAT0168

Unit: mm (in)

Oil pump clearance

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

Standard

0.10 - 0.25 (0.0039 - 0.0098)

Allowable limit

0.25 (0.0098)

Total End Play

NBAT0169

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

SERVICE DATA AND SPECIFICATIONS (SDS)

Clutches and Brakes (Cont’d)

AT-360

Content .. 88 89 90 91 ..