Nissan Frontier 2002 Owner's Manual

0 (0)

MANUAL TRANSMISSION

SECTION MT

GI

MA

EM

LC

EC

CONTENTS

FE

FS5W71C

 

PREPARATION ...............................................................

3

Special Service Tools ..................................................

3

Commercial Service Tools ...........................................

5

NOISE, VIBRATION AND HARSHNESS (NVH)

 

TROUBLESHOOTING .....................................................

6

NVH Troubleshooting Chart.........................................

6

MANUAL TRANSMISSION..........................................

6

DESCRIPTION .................................................................

7

Cross-sectional View ...................................................

7

ON-VEHICLE SERVICE ..................................................

8

Replacing Rear Oil Seal ..............................................

8

REMOVAL.................................................................

8

INSTALLATION..........................................................

8

Position Switch Check .................................................

8

REMOVAL AND INSTALLATION ...................................

9

Removal.......................................................................

9

Installation..................................................................

10

OVERHAUL ...................................................................

11

Case Components .....................................................

11

Gear Components .....................................................

12

Shift Control Components .........................................

13

DISASSEMBLY..............................................................

14

Case Components .....................................................

14

DISASSEMBLY........................................................

14

Shift Control Components .........................................

14

DISASSEMBLY........................................................

14

Gear Components .....................................................

15

DISASSEMBLY........................................................

15

INSPECTION..................................................................

18

Shift Control Components .........................................

18

INSPECTION...........................................................

18

Gear Components .....................................................

18

INSPECTION...........................................................

18

ASSEMBLY....................................................................

20

Gear Components .....................................................

20

ASSEMBLY .............................................................

20

Shift Control Components .........................................

26

ASSEMBLY .............................................................

26

Case Components .....................................................

27

ASSEMBLY .............................................................

27

SERVICE DATA AND SPECIFICATIONS (SDS) .........

30

General Specifications...............................................

30

Gear End Play ...........................................................

30

Clearance Between Baulk Ring and Gear ................

31

2ND & 3RD BAULK RING ........................................

31

Available Snap Rings ................................................

31

MAIN DRIVE GEAR BEARING..................................

31

MAINSHAFT FRONT................................................

31

COUNTER DRIVE GEAR .........................................

31

OD MAINSHAFT BEARING ......................................

32

Available Shims .........................................................

32

COUNTERSHAFT FRONT BEARING ........................

32

FS5R30A

 

PREPARATION .............................................................

33

Special Service Tools ................................................

33

Commercial Service Tool...........................................

35

NOISE, VIBRATION AND HARSHNESS (NVH)

 

TROUBLESHOOTING ...................................................

36

NVH Troubleshooting Chart.......................................

36

MANUAL TRANSMISSION........................................

36

DESCRIPTION ...............................................................

37

Cross-sectional View - 2WD Model...........................

37

Cross-sectional View - 4WD Model...........................

38

ON-VEHICLE SERVICE ................................................

39

Replacing Rear Oil Seal - 2WD Model .....................

39

REMOVAL...............................................................

39

INSTALLATION........................................................

39

Position Switch Check ...............................................

40

REMOVAL AND INSTALLATION .................................

41

Removal.....................................................................

41

2WD MODEL...........................................................

41

4WD MODEL...........................................................

42

Installation..................................................................

43

OVERHAUL ...................................................................

44

Case Components .....................................................

44

Gear Components .....................................................

45

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CONTENTS (Cont’d)

Shift Control Components (2/4WD models) ..............

47

DISASSEMBLY..............................................................

48

Case Components .....................................................

48

DISASSEMBLY........................................................

48

Shift Control Components .........................................

49

DISASSEMBLY........................................................

49

Gear Components .....................................................

50

DISASSEMBLY........................................................

50

INSPECTION..................................................................

54

Shift Control Components .........................................

54

INSPECTION...........................................................

54

Gear Components .....................................................

54

INSPECTION...........................................................

54

ASSEMBLY....................................................................

56

Gear Components .....................................................

56

ASSEMBLY .............................................................

56

Shift Control Components .........................................

64

ASSEMBLY .............................................................

64

Case Components .....................................................

65

ASSEMBLY .............................................................

65

SERVICE DATA AND SPECIFICATIONS (SDS) .........

67

General Specifications...............................................

67

Gear End Play ...........................................................

67

Clearance Between Single Baulk Ring and Gear .....

67

DOUBLE BAULK RING ............................................

68

Distance Between Rear Surface of Reverse

 

Cone and Reverse Baulk Ring..................................

68

Available Snap Ring ..................................................

68

MAIN DRIVE GEAR SNAP RING ..............................

68

MAINSHAFT FRONT SNAP RING.............................

68

COUNTER GEAR REAR SNAP RING .......................

69

Available C-ring .........................................................

69

MAINSHAFT C-RING ...............................................

69

Available Shim and Washer ......................................

69

TABLE FOR SELECTING PROPER COUNTER

 

GEAR FRONT BEARING THRUST WASHER ............

69

REVERSE IDLER REAR THRUST WASHER .............

70

MT-2

PREPARATION

 

FS5W71C

 

Special Service Tools

 

 

 

Special Service Tools

 

NEMT0050

 

 

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number (Kent-Moore

Description

No.) Tool name

 

 

 

 

 

ST23810001

 

Fixing adapter plate with gear assembly

(

)

a: 166 mm (6.54 in)

Adapter setting plate

b: 270 mm (10.63 in)

 

 

 

NT407

KV32101330

 

Removing overdrive mainshaft bearing

(See J34286)

 

a: 447 mm (17.60 in)

Puller

 

 

b: 100 mm (3.94 in)

 

 

 

NT408

KV31100401

 

Pressing counter gear and mainshaft

(

)

 

Transmission press stand

 

 

 

 

NT068

 

 

 

ST22520000

 

Tightening mainshaft lock nut

(J26348)

 

a: 100 mm (3.94 in)

Wrench

 

b: 41 mm (1.61 in)

 

 

 

NT409

 

 

 

ST23540000

 

Removing and installing fork rod retaining pin

(J25689-A)

 

a: 2.3 mm (0.091 in) dia.

Pin punch

 

b: 4 mm (0.16 in) dia.

 

 

 

NT442

 

 

 

ST30031000

 

Removing and installing 1st gear bushing

(J22912-01)

 

Removing main drive gear bearing

Puller

 

 

a: 90 mm (3.54 in) dia.

 

 

 

b: 50 mm (1.97 in) dia.

 

 

 

NT411

 

 

 

ST23860000

 

Installing counter drive gear

(

)

a: 38 mm (1.50 in) dia.

Drift

 

 

b: 33 mm (1.30 in) dia.

 

 

 

NT065

 

 

 

ST22360002

 

Installing counter gear front and rear end bear-

(J25679-01)

 

ings

Drift

 

 

a: 29 mm (1.14 in) dia.

 

 

 

b: 23 mm (0.91 in) dia.

 

 

 

NT065

 

 

 

 

 

 

 

MT-3

GI

MA

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PREPARATION

 

FS5W71C

Special Service Tools (Cont’d)

 

 

 

 

 

 

 

 

 

 

Tool number (Kent-Moore

Description

 

 

No.) Tool name

 

 

 

 

 

 

 

ST22350000

 

Installing OD gear bushing

(J25678-01)

 

a: 34 mm (1.34 in) dia.

Drift

 

b: 28 mm (1.10 in) dia.

 

NT065

 

 

 

 

 

 

ST23800000

 

Installing front cover oil seal

(J25691-01)

 

a: 44 mm (1.73 in) dia.

Drift

 

b: 31 mm (1.22 in) dia.

 

NT065

 

 

 

 

 

 

ST33400001

 

Installing rear oil seal

(J26082)

 

a: 60 mm (2.36 in) dia.

Drift

 

b: 47 mm (1.85 in) dia.

 

NT086

 

 

 

 

 

 

ST33290001

 

Removing rear oil seal

(J34286)

 

a: 250 mm (9.84 in)

Puller

 

b: 160 mm (6.30 in)

 

NT414

 

 

ST30720000

 

Installing mainshaft ball bearing

(J25405)

 

a: 77 mm (3.03 in) dia.

Drift

 

b: 55.5 mm (2.185 in) dia.

 

NT115

 

 

 

 

 

 

ST30613000

 

Installing main drive gear bearing

(J25742-3)

 

a: 71.5 mm (2.815 in) dia.

Drift

 

b: 47.5 mm (1.870 in) dia.

 

NT073

 

 

 

 

 

 

ST33200000

 

Installing counter rear bearing

(J26082)

 

a: 60 mm (2.36 in) dia.

Drift

 

b: 44.5 mm (1.752 in) dia.

 

NT091

 

 

 

 

 

 

(J-26349–A)

 

Removing and installing mainshaft bearing

Bearing Remover and

 

(Use with J-25726–B)

Installer Set

 

 

 

 

WMT065

 

 

 

 

 

 

MT-4

 

PREPARATION

 

FS5W71C

 

 

 

 

Special Service Tools (Cont’d)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tool number (Kent-Moore

Description

 

 

 

 

 

No.) Tool name

 

 

 

 

 

GI

 

 

 

 

 

 

(J-34286)

 

 

 

 

 

Removing races

Rear Race Puller

 

 

 

 

 

MA

 

 

 

 

 

 

 

 

 

 

 

 

EM

 

WMT066

 

 

 

 

LC

 

 

 

 

 

 

 

 

 

 

 

(J-39856)

 

Removing gears and bearings

Gear and Bearing

 

 

 

 

 

EC

Removal Kit

 

 

 

 

 

 

 

 

 

 

 

FE

 

WMT067

 

 

 

 

CL

 

 

 

 

 

 

 

 

 

 

 

 

 

Commercial Service Tools

 

 

 

NEMT0051

Tool name

Description

 

 

Puller

Removing counter bearings, counter drive and OD

 

gears

 

NT077

Drift

Installing countershaft rear end bearing

 

a: 40 mm (1.57 in) dia.

 

b: 30 mm (1.18 in) dia.

 

NT074

MT-5

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NOISE, VIBRATION AND HARSHNESS (NVH)

NEMT0052

TROUBLESHOOTING

 

FS5W71C

NVH Troubleshooting Chart

NVH Troubleshooting Chart

NEMT0052S01

Use the chart below to help you find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.

MANUAL TRANSMISSION

 

 

 

 

 

 

 

 

 

 

 

 

NEMT0052S0101

Reference page

 

MAtoRefer-38, “CheckingM/T Oil”.

 

MT-11

MT-11

MT-13

MT-13

MT-12

MT-12

MT-12

 

MT-12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SUSPECTED PARTS

 

 

 

 

 

CHECK BALL (Worn or damaged)

 

 

 

 

 

 

 

 

 

 

 

AND

 

 

 

 

 

 

(Possible cause)

 

 

 

 

 

 

 

 

 

 

 

 

 

OIL (Oil level is low.)

OIL (Wrong oil.)

OIL (Oil level is high.)

GASKET (Damaged)

OIL SEAL (Worn or damaged)

CHECK PLUG RETURN SPRING

SHIFT FORK (Worn)

GEAR (Worn or damaged)

BEARING (Worn or damaged)

BAULK RING (Worn or damaged)

 

INSERT SPRING (Damaged)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Noise

1

2

 

 

 

 

 

3

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

Oil leakage

 

3

1

2

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hard to shift or will not shift

 

1

1

 

 

 

 

 

 

2

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Jumps out of gear

 

 

 

 

 

1

2

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MT-6

DESCRIPTION

 

NEMT0053

 

FS5W71C

 

Cross-sectional View

 

 

 

Cross-sectional View

 

NEMT0053S01

 

 

SMT153D

GI

MA

EM

LC

EC

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MT-7

ON-VEHICLE SERVICE

FS5W71C

Replacing Rear Oil Seal

Replacing Rear Oil Seal

NEMT0054

REMOVAL

NEMT0054S01

1.Remove the propeller shaft. Refer to PD-9, “Removal and Installation”.

2.Remove rear oil seal using Tool.

Always replace with a new seal once it has been removed.

AMT079

INSTALLATION

NEMT0054S02

1.Install new oil seal until it stops.

Apply multi-purpose grease to seal lip of oil seal before installing.

2.Install any part removed.

SMT480CA

Position Switch Check

Check continuity.

 

NEMT0055

 

 

 

 

 

 

 

Switch

Gear position

Continuity

 

 

 

 

 

Back-up lamp switch

Reverse

Yes

 

 

 

 

Except reverse

No

 

 

 

 

 

 

 

Park/neutral position

Neutral

Yes

 

 

 

 

(PNP) switch

Except neutral

No

 

 

 

 

 

 

SMT981D

MT-8

REMOVAL AND INSTALLATION

NEMT0056

FS5W71C

 

Removal

 

 

Removal

NEMT0056S01

 

WMT030

CAUTION:

Before separating the transmission from the engine, remove the crankshaft position sensor (OBD) from the transmission. Be careful not to damage sensor edge or ring gear teeth.

GI

MA

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MT-9

REMOVAL AND INSTALLATION

FS5W71C

Removal (Cont’d)

NOTE:

To prevent oil spills, drain transmission oil before removing transmission or insert plug into rear oil seal after removing propeller shaft.

Be careful not to damage spline, sleeve yoke, and rear oil seal when removing propeller shaft.

1.Remove battery negative terminal.

2.Remove the crankshaft position sensor (OBD) from transmission upper side.

3.Remove the clutch operating cylinder from transmission.

4.Disconnect the vehicle speed sensor, back-up switch, and park/neutral position (PNP) switch harness connectors.

5.Remove the starter motor from transmission.

6.Disconnect the exhaust hanger.

7.Remove the propeller shaft. Refer to PD-9, “Removal and Installation”.

8.Remove the shift lever.

9.Support the engine by placing a jack under the oil pan.

Do not place jack under oil pan drain plug.

10.Remove the transmission crossmember.

11.Separate the transmission from the engine.

WARNING:

Support manual transmission while removing it.

SMT099A

Installation

 

NEMT0056S02

1. Tighten bolts securing transmission.

 

 

 

 

 

 

 

Bolt No.

 

Tightening torque N·m (kg-m, ft-lb)

mm (in)

 

 

 

 

 

1

 

40 - 49 (4.0 - 5.0, 29 - 36)

65 (2.56)

 

 

 

 

 

2

 

40 - 49 (4.0 - 5.0, 29 - 36)

58 (2.28)

 

 

 

 

 

3*

 

16 - 21 (1.6 - 2.2, 12 - 15)

25 (0.98)

 

 

 

 

 

4

 

16 - 21 (1.6 - 2.2, 12 - 15)

16 (0.63)

 

 

 

 

 

AMT190

*: With nut

2.Installation is in the reverse order of removal.

MT-10

OVERHAUL

 

NEMT0057

 

FS5W71C

 

Case Components

 

 

 

Case Components

 

NEMT0057S01

 

 

WMT062

GI

MA

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MT-11

Nissan Frontier 2002 Owner's Manual

OVERHAUL

FS5W71C

Gear Components

Gear Components

NEMT0057S02

WMT063

MT-12

OVERHAUL

 

FS5W71C

 

Shift Control Components

 

 

 

Shift Control Components

 

NEMT0057S03

 

 

CAUTION:

To avoid damage when replacing shift knob, remove shift lever GI with knob, as assembled.

MA

EM

LC

EC

FE

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MT-13

DISASSEMBLY

FS5W71C

Case Components

Case Components

DISASSEMBLY

NEMT0058

1.Remove rear extension.

a.Remove control housing, check ball, return spring plugs, select check plungers and return springs. Also remove reverse check plug, check spring and check ball.

Be careful not to lose check balls.

SMT161D

b.Drive out striking lever retaining pin.

c.Remove striking lever from striking rod.

d.Remove rear extension by lightly tapping on it.

AMT132

2.Remove front cover, gasket, counter gear front bearing shim and main drive gear ball bearing snap ring.

3.Separate transmission case from adapter plate by lightly tapping on it.

AMT131

4.Remove oil seal from front cover.

Be careful not to damage mating surface of front cover.

SMT166D

Shift Control Components

DISASSEMBLY

NEMT0059

1.Set up Tool on adapter plate.

2.Remove striking rod from adapter plate.

3.Remove check ball plugs, check springs, and check balls.

SMT545A

MT-14

DISASSEMBLY

 

FS5W71C

 

Shift Control Components (Cont’d)

 

 

 

4.Drive out retaining pins. Then drive out fork rods and remove interlock balls.

SMT984

Gear Components

DISASSEMBLY

NEMT0060

1.Before disassembly, measure the end play of each gear.

If end play is not within the specified limit, disassemble and

inspect the parts.

Replace any part which is worn or damaged. Refer to “Gear

End Play”, MT-30.

SMT025

2.Mesh 2nd and reverse gear, then remove counter gear front

bearing using a suitable puller.

3.Remove snap ring, then remove sub-gear bracket, sub-gear spring and sub-gear.

SMT174A

GI

MA

EM

LC

EC

FE

CL

AT

TF

PD

AX

4.Remove counter drive gear together with main drive gear

assembly using a suitable puller.

When removing main drive gear assembly, be careful not

to drop pilot bearing or baulk ring.

5.Remove snap ring, then remove 3rd and 4th synchronizer assembly and 3rd main gear.

SMT162A

SU

BR

ST

RS

6. Disassemble parts at rear of adapter plate as follows:

a.Release staking on both countergear and mainshaft lock nuts, then loosen both nuts.

Mainshaft lock nut: Left-hand thread

AMT133

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MT-15

DISASSEMBLY

FS5W71C

Gear Components (Cont’d)

b.Remove overdrive counter gear together with counter gear rear end bearing using a suitable puller.

c.Remove reverse counter gear and spacer.

d.Remove snap rings from reverse idler shaft, then remove reverse idler gear, thrust washers and reverse idler gear bearing.

e.Remove snap ring and pull out overdrive mainshaft bearing, then remove snap ring. (2WD model)

f.Remove mainshaft lock nut.

g.Remove speedometer drive gear and steel ball. (2WD model)

SMT547A h. Remove thrust washer, steel roller, roller bearing and washer.

i.Remove overdrive main gear, needle bearing and baulk ring (overdrive).

j.Remove counter gear by tapping on rear end of counter gear.

k.Press out overdrive gear bushing and overdrive & reverse synchronizer assembly.

l.Remove reverse main gear and needle bearing.

m.Press out reverse gear bushing.

SMT554A

7.Remove thrust washer, steel ball, 1st main gear and needle bearing.

Be careful not to lose steel ball.

SMT383A

8.Press out 1st gear bushing together with 2nd main gear using Tool.

Remove 2nd gear needle bearing.

TM049A

MT-16

DISASSEMBLY

 

FS5W71C

 

Gear Components (Cont’d)

 

 

 

9.Remove main drive gear ball bearing.

a.Remove snap ring.

b.Remove main drive gear ball bearing.

SMT420A

MT-17

GI

MA

EM

LC

EC

FE

CL

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INSPECTION

FS5W71C

Shift Control Components

Shift Control Components

INSPECTION

NEMT0061

Check contact and sliding surfaces of fork rods for wear, scratches, projections and other damage.

SMT075C

SMT386A

SMT550A

Gear Components

INSPECTION

NEMT0062

Gears and Shafts

NEMT0062S01

Check shafts for cracks, wear and bending.

Check gears for excessive wear, chips and cracks.

Synchronizers

NEMT0062S02

Check spline portion of coupling sleeves, synchronizer hubs, and gears for wear, chips, and cracks.

Check baulk rings for cracks and deformation.Check shifting inserts for wear and deformation.Check insert spread springs for deformation.

SMT427C

MT-18

INSPECTION

 

FS5W71C

 

Gear Components (Cont’d)

Measure baulk ring wear.

1)Measure clearance between baulk ring and gear. Refer to

“Clearance Between Baulk Ring and Gear”, MT-31.

GI

If the clearance is less than the wear limit, replace baulk ring.

MA

EM

SMT140

LC

Bearings

NEMT0062S03

Make sure all bearings roll freely and are free from noise, EC cracks, pitting or wear.

FE

CL

SMT418A

AT

TF

PD

AX

SU

BR

ST

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MT-19

ASSEMBLY

FS5W71C

Gear Components

Gear Components

ASSEMBLY

NEMT0063

AMT185

1.Install bearings into case components.

2.Assemble adapter plate parts.

Install oil gutter on adapter plate and expand on rear side.

Install bearing retainer.

a.Insert reverse idler shaft, then install bearing retainer.

SMT778C

b.Tighten each screw, then stake each one at two points.

SMT674C

3.Install main drive gear ball bearing.

a.Press main drive gear ball bearing.

SMT425A

MT-20

ASSEMBLY

 

FS5W71C

 

Gear Components (Cont’d)

 

 

 

b.Select and install proper main drive gear snap ring to achieve proper clearance of groove. Refer to “MAIN DRIVE GEAR

BEARING”, MT-31.

Allowable clearance of groove: 0 - 0.13 mm (0 - 0.0051 in)

SMT170D

4.Assemble synchronizers.

Assemble the 1st and 2nd synchronizer.

SMT054C

Check coupling sleeve and synchronizer hub orientation.

SMT206C

GI

MA

EM

LC

EC

FE

CL

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MT-21

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