Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2000-2005 Approved Nissan Altima 2003 MT
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C TRANSMISSION/TRANSAXLE
A
B
SECTION
MANUAL TRANSAXLE MT
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . FINAL DRIVE COMPONENTS .......................... 23 . F
Caution .................................................................... 3
. Disassembly and Assembly ................................... 23 .
PREPARATION .......................................................... 4 . DISASSEMBLY .................................................. 23 .
Special Service Tools .............................................. 4 . ASSEMBLY ........................................................ 27. G
Commercial Service Tools ....................................... 6 . Adjustment ............................................................. 33
.
NOISE, VIBRATION, AND HARSHNESS (NVH) INPUT SHAFT END PLAY ................................. 33 .
TROUBLESHOOTING ............................................... 7 . DIFFERENTIAL SIDE BEARING PRELOAD ..... 34 .
H
NVH Troubleshooting Chart .................................... 7 . MAINSHAFT END PLAY .................................... 35 .
DESCRIPTION ........................................................... 8. REVERSE IDLER GEAR END PLAY ................. 36 .
Cross-sectional View ............................................... 8 . INPUT SHAFT AND GEARS ................................... 38 .
DOUBLE-CONE SYNCHRONIZER ..................... 9 . Disassembly and Assembly ................................... 38 . I
REVERSE GEAR ................................................. 9 . DISASSEMBLY .................................................. 38 .
M/T OIL .................................................................... 10
. INSPECTION AFTER DISASSEMBLY ............... 39 .
Replacement ......................................................... 10
. ASSEMBLY ........................................................ 40. J
DRAINING .......................................................... 10. MAINSHAFT AND GEARS ...................................... 46 .
FILLING .............................................................. 10
. Disassembly and Assembly ................................... 46 .
Checking ............................................................... 10
. DISASSEMBLY .................................................. 46 .
K
OIL LEAKAGE AND OIL LEVEL ........................ 10 . INSPECTION AFTER DISASSEMBLY ............... 47 .
SIDE OIL SEAL ........................................................11 . ASSEMBLY ........................................................ 49.
Removal and Installation ........................................11 . REVERSE IDLER SHAFT AND GEARS ................. 54 .
REMOVAL ...........................................................11 . Disassembly and Assembly ................................... 54 . L
INSTALLATION ...................................................11 . DISASSEMBLY .................................................. 54 .
POSITION SWITCH ................................................. 12 . INSPECTION AFTER DISASSEMBLY ............... 54 .
Removal and Installation ....................................... 12 . ASSEMBLY ........................................................ 55. M
Checking ............................................................... 12
. FINAL DRIVE ........................................................... 56
.
BACK-UP LAMP SWITCH ................................. 12 . Disassembly and Assembly ................................... 56 .
PARK/NEUTRAL POSITION SWITCH .............. 12 . PRE-INSPECTION ............................................. 56 .
CONTROL LINKAGE .............................................. 13 . DISASSEMBLY .................................................. 56 .
Removal and Installation ....................................... 13 . INSPECTION AFTER DISASSEMBLY ............... 57 .
Cable Adjustment .................................................. 14 . ASSEMBLY ........................................................ 57.
AIR BREATHER HOSE ........................................... 15 . SHIFT CONTROL .................................................... 60 .
Removal and Installation ....................................... 15 . Inspection .............................................................. 60
.
TRANSAXLE ASSEMBLY ....................................... 16 . SHIFT FORK ...................................................... 60.
Removal and Installation ....................................... 16 . SERVICE DATA AND SPECIFICATIONS (SDS) ..... 61 .
REMOVAL .......................................................... 16 . General Specifications ........................................... 61 .
INSTALLATION .................................................. 17 . TRANSAXLE ...................................................... 61 .
Component Parts .................................................. 19 . FINAL GEAR ...................................................... 61.
CASE AND HOUSING COMPONENTS ............ 19 . Gear End Play ....................................................... 62
.
GEAR COMPONENTS ...................................... 20 . Clearance Between Baulk Ring and Gear ............. 62 .
SHIFT CONTROL COMPONENTS ................... 22 . 3RD, 4TH, 5TH & REVERSE BAULK RING ...... 62 .
Revision: May 2004 MT-1 2003 Altima
1ST AND 2ND DOUBLE BAULK RING .............. 62 . MAINSHAFT ADJUSTING SHIM ........................64 .
Available Snap Rings ............................................. 62
. INPUT SHAFT REAR BEARING ADJUSTING
INPUT SHAFT SPACER .................................... 62 . SHIM ...................................................................64
.
5TH MAIN GEAR ................................................ 62
. MAINSHAFT REAR BEARING ADJUSTING
Available C-Rings .................................................. 63
. SHIM ...................................................................64
.
MAINSHAFT C-RING ......................................... 63 . REVERSE IDLER GEAR ADJUSTING SHIMS ...65
Available Thrust Washer ........................................ 63
. Available Differential Side Bearing Preload and
INPUT SHAFT THRUST WASHER .................... 63 . Adjusting Shims .....................................................65
.
DIFFERENTIAL SIDE GEAR THRUST WASHER BEARING PRELOAD ..........................................65 .
... 63 DIFFERENTIAL SIDE BEARING ADJUSTING
Available Adjusting Shims ..................................... 64
. SHIMS .................................................................65
.
Revision: May 2004 MT-2 2003 Altima
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Caution ECS00695
q Do not reuse transaxle oil, properly dispose of it after it has been drained out.
q Check the oil level or replace the oil only with the vehicle parked on level ground. B
q During removal or installation, keep inside of transaxle clear of dust or dirt.
q Check for the correct installation status prior to removal or disassembly. If mating marks are required, be
certain they do not interfere with the function of the parts when applied. MT
q In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If
tightening sequence is specified, use it.
q Be careful not to damage sliding surfaces and mating surfaces. D
E
F
G
H
I
J
K
L
M
Revision: May 2004 MT-3 2003 Altima
PREPARATION
PREPARATION PFP:00002
Special Service Tools ECS00696
Tool number
(Kent-More No.) Description
Tool name
KV381054S0 q Side bearing outer race removal
(J34286)
Puller q Mainshaft front bearing removal
ZZA0601D
q Input shaft oil seal installation
ST35321000 q Reverse main gear installation
( -- ) q 1st bushing installation
Drift
a: 49 mm (1.93 in) dia. q 1st-2nd synchronizer hub installation
b: 41 mm (1.61 in) dia. q 2nd bushing installation
ZZA1000D
q 3rd main gear installation
q Differential oil seal installation
ST30720000
(J25405) q Differential side bearing outer race installa-
Drift tion
a: 77 mm (3.03 in) dia. q Mainshaft rear bearing installation
b: 55.5 mm (2.185 in) dia.
q Differential side bearing installation
ZZA0811D
ST33200000
(J26082) q Mainshaft front bearing installation
Drift q 4th main gear installation
a: 60 mm (2.36 in) dia. q 5th main gear installation
b: 44.5 mm (1.752 in) dia.
ZZA1002D
ST33061000
(J8107-2) q Bore plug installation
Drift
a: 38 mm (1.50 in) dia. q Differential side bearing removal
b: 28.5 mm (1.122 in) dia.
ZZA1000D
q Welch plug installation
q Input shaft rear bearing removal
q Input shaft bearing spacer and 5th stopper
ST33052000 removal
( -- )
q 5th bushing, thrust washer, 4th input gear,
Drift
4th gear bushing, 3rd-4th synchronizer hub
a: 22 mm (0.87 in) dia.
and 3rd input gear removal
b: 28 mm (1.10 in) dia.
q Input shaft front bearing installation
ZZA1023D
q Mainshaft rear bearing removal
q 4th main gear and 5th main gear removal
Revision: May 2004 MT-4 2003 Altima
PREPARATION
Tool number
(Kent-More No.) Description A
Tool name
KV40105020 q 5th input gear and synchronizer hub remov- B
( -- ) al
Drift
a: 39.7 mm (1.563 in) dia. q 3rd main gear, 2nd main gear, 2nd bushing,
1st-2nd synchronizer hub, 1st main gear,
b: 35 mm (1.38 in) dia. MT
c: 15 mm (0.59 in). reverse main gear and 1st bushing removal
ZZA1133D
q 3rd-4th synchronizer hub installation D
KV40105710 q 4th bushing installation
( -- ) q 5th bushing installation
Press stand
a: 46 mm (1.81 in) dia. q 5th synchronizer hub installation E
b: 41 mm (1.61 in). q 2nd bushing installation
ZZA1058D
q 3rd main gear installation
F
ST38220000
( -- ) q Reverse main gear installation
Press stand q 1st bushing installation G
a: 63 mm (2.48 in) dia. q 1st-2nd synchronizer hub installation
b: 65 mm (2.56 in).
ZZA1058D H
ST30032000
(J26010-01) 5th stopper and input shaft bearing spacer
q I
Drift installation
a: 80 mm (3.15 in) dia.
b: 38 mm (1.50 in) dia. q Input shaft front bearing installation
c: 31 mm (1.22 in) dia. J
ZZA0978D
ST30901000
(J26010-01)
q Input shaft rear bearing installation K
Drift q 4th main gear installation
a: 79 mm (3.11 in) dia. q 5th main gear installation
b: 45 mm (1.77 in) dia. L
q Mainshaft rear bearing installation
c: 35.2 mm (1.386 in) dia.
ZZA0978D
M
ST30031000
(J22912-01) q Measuring wear of 1st and 2nd baulk ring
Puller
ZZA0537D
KV40101630
(J35870)
Drift q Reverse main gear installation
a: 68 mm (2.68 in) dia.
b: 60 mm (2.36 in) dia.
ZZA1003D
Revision: May 2004 MT-5 2003 Altima
PREPARATION
Tool number
(Kent-More No.) Description
Tool name
KV38102510
( -- ) q 1st bushing installation
Drift q 1st-2nd synchronizer hub installation
a: 71 mm (2.80 in) dia. q Differential side bearing installation
b: 65 mm (2.56 in) dia.
ZZA0838D
(J39713)
q Checking differential side gear end play
Preload adapter
NT087
Commercial Service Tools ECS00697
Tool name Description
Puller q Each bearing gear and bushing removal
ZZB0823D
Puller q Each bearing gear and bushing removal
NT077
Pin punch
q Each retaining pin removal and installation
Tip diameter: 4.5 mm (0.177 in) dia.
ZZA0815D
Power tool q Loosening bolts and nuts
PBIC0190E
Revision: May 2004 MT-6 2003 Altima
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING PFP:00003
A
NVH Troubleshooting Chart ECS00698
Use the chart below to help you find the cause of the symptom. The numbers indicate the order of the inspec-
tion. If necessary, repair or replace these parts. B
GI-43, "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS"
MT
D
MA-29, "Checking M/T Oil"
MA-29, "Checking M/T Oil"
E
MT-10
MT-10
MT-10
MT-13
MT-47
MT-60
MT-47
MT-47
MT-47
MT-60
Reference page
F
G
H
I
Check Plug Return Spring and Check Ball (Worn or damaged)
J
K
Suspected Parts L
(Possible cause) Baulk Ring (Worn or damaged)
Shift Control Linkage (Worn)
Oil Seal (Worn or damaged)
Bearing (Worn or damaged)
O-Ring (Worn or damaged)
Gear (Worn or damaged)
Insert Spring (Damaged) M
Gasket (Damaged)
(Oil level is high.)
Shift Fork (Worn)
(Oil level is low.)
(Wrong oil)
Noise 1 2 3 3
Oil leakage 3 1 2 2 2
Symptoms
Hard to shift or will not shift 1 1 2 3 3
Jumps out of gear 1 2 3 3
Revision: May 2004 MT-7 2003 Altima
DESCRIPTION
DESCRIPTION PFP:00000
Cross-sectional View ECS00699
LCIA0032E
Revision: May 2004 MT-8 2003 Altima
DESCRIPTION
DOUBLE-CONE SYNCHRONIZER
Double-cone synchronizer is adopted for 1st and 2nd gears to A
reduce operating force of the shift lever.
B
MT
SCIA0750E
D
REVERSE GEAR
See figure for description of reverse gear components. E
F
G
SCIA0751E H
I
J
K
L
M
Revision: May 2004 MT-9 2003 Altima
M/T OIL
M/T OIL PFP:KLD20
Replacement ECS0069A
DRAINING
1. Start the engine and let it run to warm up the transaxle.
2. Stop the engine. Remove drain plug and drain oil.
3. Set a gasket on the drain plug and install it on the transaxle.
Drain plug : 30 - 39 N◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo