NISSAN LATIO 2010 Service Repair Manual

MAINSHAFT AND GEARMT-37
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MAINSHAFT AND GEAR
Disassembly and AssemblyINFOID:0000000005397180
GENERAL PRECAUTIONS
• Never reuse snap ring.
• Secure mainshaft in a vise with backplate, and then remove gears and snap rings.
• For installation and removal of snap ring, set snap ring pliers and flat pliers at both sides of snap ring. While expanding snap ring
with snap ring pliers, move snap ring with flat pliers.
• Disassemble gear components putting direction marks on the parts that never affect any functions.
DISASSEMBLY
1. Remove 3rd-4th synchronizer hub and 3rd baulk ring.
2. Remove snap ring (1) and thrust washer (2) using suitable tools.
3. Remove 3rd main gear (1) and thrust washer (2).
4. Remove snap ring (1) and thrust washer (2) using suitable tools.
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MT-38
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MAINSHAFT AND GEAR
5. Remove 2nd main gear (1) and thrust washer (2).
6. Remove snap ring (1), and then remove 2nd inner baulk ring,
2nd synchronizer cone, and 2nd outer baulk ring.
7. Remove 1st-2nd coupling sleeve, insert keys, springs, and 1st- 2nd synchronizer hub.
8. Remove 1st outer baulk ring, 1st synchronizer cone, 1st inner baulk ring, and 1st main gear (2).
INSPECTION AFTER DISASSEMBLY
Mainshaft and Gear
Check the following items and replace if necessary.
• Damage, peeling, bend, uneven wear, and distortion of shaft
• Excessive wear, damage, and peeling of gear
Synchronizer
Check the following items and replace if necessary.
• Contact surface breakage, damage, and unusual wear of couplingsleeve, synchronizer hub, insert key, and spring.
• Coupling sleeve and synchronizer hub move smoothly.
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MAINSHAFT AND GEARMT-39
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• Breakage, damage, and excessive wear of baulk ring cam surface and insert contact surface
Bearing
Check bearing for damage and unsmooth rotation. Replace if neces-
sary.
ASSEMBLY
Note the following items, and assemble in the reverse order of disassembly. Refer to MT-17, "Exploded View".
CAUTION:
• Never reuse snap ring.
• Check that snap ring is secu rely installed to the groove.
• Apply gear oil to 3rd baulk ring.
• Apply gear oil to 1st outer baulk ring, 1st synchronizer cone, and 1st inner baulk ring.
• Apply gear oil to 2nd outer baulk ring, 2n d synchronizer cone, and 2nd inner baulk ring.
• Replace 1st outer baulk ring, 1st synchronize r cone, and 1st inner baulk ring as a set.
• Replace 2nd outer baulk ring, 2nd synchronizer cone, and 2nd outer baulk ring as a set.
• Be careful with the orientation of 1st-2nd synchronizer hub.
- A: 1st main gear side
- B: 2nd main gear side
• Replace 1st-2nd synchronizer hub and 1st-2nd coupling sleeve as a set.
• Be careful with the orientation of 1st-2nd coupling sleeve.
- A: 2nd main gear side
- B: 1st main gear side
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MT-40
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MAINSHAFT AND GEAR
• Be careful with the orientatio
n of 3rd-4th synchronizer hub.
- A: 4th main gear side
- B: 3rd main gear side
• Replace 3rd-4th synchronizer hub an d 3rd-4th coupling sleeve as a set.
• Be careful with the orientation of insert key (1) and spring (2).
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FINAL DRIVEMT-41
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FINAL DRIVE
Disassembly and AssemblyINFOID:0000000005397181
DISASSEMBLY
1. Remove differential side bearings using Tool (A) and a suitable tool.
2. Remove speedometer drive gear.
INSPECTION AFTER DISASSEMBLY
Case
Check differential case and replace if necessary.
Bearing
Check bearing for damage and unsmooth rotation. Replace if neces-
sary.
CAUTION:
Replace differential side bearing outer race and differential side
bearing as a set.
ASSEMBLY
1. Install speedometer drive gear.
2. Install differential side bearings using Tool (A). CAUTION:
Replace differential side bearing outer race and differential
side bearing as a set.Tool number A: ST33052000 ( — )
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Tool number A: KV40104920 ( — )
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MT-42
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SHIFT CONTROL
SHIFT CONTROL
InspectionINFOID:0000000005397182
Check contact surface and sliding surface of fork rod and shift fork
for excessive wear, uneven wear, bend, and damage. Replace if
necessary.
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SERVICE DATA AND SPECIFICATIONS (SDS)MT-43
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SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000005397183
TRANSAXLE
Transaxle type RS5F91R
Engine type HR16DE
Number of speed 5
Synchromesh type Warner
Shift pattern
Gear ratio 1st 3.7272
2nd 2.0476
3rd 1.3928
4th 1.0294
5th 0.8205
Reverse 3.5454
Final gear 4.0666
Number of teeth Input gear 1st 11
2nd 21
3rd 28
4th 34
5th 39
Reverse 11
Main gear 1st 41
2nd 43
3rd 39
4th 35
5th 32
Reverse 39
Reverse idler gear 26
Final gear Final gear/Pinion 61/15
Side gear/Pinion
mate gear 13/9
Oil capacity (Reference) (US pt, Imp pt)Approx. 2.6 (5-1/2, 4-5/8)
Remarks Reverse synchronizer Installed
Double-cone synchronizer 1st and 2nd
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MT-44
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PRECAUTIONS
SERVICE INFORMATION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005777026
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SRS section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minu tes before performing any service.
Precaution Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000005716038
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
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PRECAUTIONSMT-45
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5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of al l control units using CONSULT-III.
Precaution for Procedure without Cowl Top CoverINFOID:0000000005397185
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
PrecautionINFOID:0000000005397186
• If transaxle assembly is removed from the vehicle, always replace CSC (Concentric Slave Cylinder).
Installed CSC returns to the original position when removing transaxle assembly. Dust on clutch disc sliding
parts may damage CSC seal, and may cause clutch fluid leakage.
• Do not reuse transaxle oil.
• Drain, fill and check transaxle oil with the vehicle on level surface.
• During removal or installation, keep inside of transaxle clear of dust or dirt.
• Check for the correct installation orientation prior to removal or disassembly. If matching marks are required, be certain they do not interfere with the function of the parts they are applied to.
• In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If tight- ening sequence is specified, follow it.
• Be careful not to damage the sliding surfaces and mating surfaces of parts.
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MT-46
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000005716039
The actual shapes of Kent-Moore tool
s may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name Description
—
( J-46534 )
Trim tool set For removing trim
KV381054S0
(J-34286)
Puller Removing mainshaft front bearing outer race
KV38100200
(—)
Drift • Installing mainshaft front bearing outer race
• Installing mainshaft rear bearing outer race
• Installing differential side bearing outer race
(clutch housing side)
a: 65 mm (2.56 in) dia.
b: 49 mm (1.93 in) dia .
ST33220000
(—)
Drift Installing input shaft oil seal
a: 37 mm (1.46 in) dia
.
b: 31 mm (1.22 in) dia.
c: 22 mm (0.87 in) dia.
ST33400001
(J-26082)
Drift Installing differential side bearing outer race
(transaxle case side)
a: 60 mm (2.36 in) dia
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b: 47 mm (1.85 in) dia.
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