
MANUAL TRANSAXLE
SECTION MT
CONTENTS
PREPARATION ...............................................................2 INSPECTION ...........................................................33
Special Service Tools ..................................................2 Case Components .....................................................34
Commercial Service Tools ...........................................4 REMOVAL AND INSTALLATION ...............................34
NOISE, VIBRATION AND HARSHNESS (NVH) ADJUSTMENT ...............................................................35
TROUBLESHOOTING .....................................................5 Input Shaft End Play and Differential Side
NVH Troubleshooting Chart.........................................5 Bearing Preload .........................................................35
MANUAL TRANSAXLE ...............................................5 DIFFERENTIAL SIDE ...............................................35
DESCRIPTION .................................................................6 INPUT SHAFT SIDE.................................................36
Cross-sectional View ...................................................6 Mainshaft Bearing Preload ........................................36
RS5F50A AND 50V ....................................................6 ASSEMBLY....................................................................38
ON-VEHICLE SERVICE ..................................................7 SERVICE DATA AND SPECIFICATIONS (SDS) .........42
Replacing Oil Seal .......................................................7 General Specifications...............................................42
DIFFERENTIAL OIL SEAL ..........................................7 TRANSAXLE ...........................................................42
STRIKING ROD OIL SEAL .........................................7 FINAL GEAR ...........................................................42
Position Switch Check .................................................8 Gear End Play ...........................................................42
BACK-UP LAMP SWITCH AND PARK/NEUTRAL Clearance Between Baulk Ring and Gear ................42
POSITION SWITCH ...................................................8 3RD, 4TH & 5TH......................................................42
Viscous Coupling Check..............................................8 1ST AND 2ND DOUBLE BAULK RING ......................43
REMOVAL AND INSTALLATION ...................................9 REVERSE BAULK RING ..........................................43
Removal.......................................................................9 Available Snap Rings ................................................43
Installation....................................................................9 1ST & 2ND SYNCHRONIZER HUB (AT
MAINSHAFT) ...........................................................43
OVERHAUL ...................................................................11
3RD & 4TH SYNCHRONIZER HUB (AT INPUT
Transaxle Gear Control .............................................11
SHAFT) ...................................................................43
Case Components .....................................................12
5TH MAIN GEAR (AT MAINSHAFT) ..........................44
Gear Components .....................................................13 Available Thrust Washer............................................44
Shift Control Components .........................................14 4TH INPUT GEAR (AT INPUT SHAFT) ......................44
DISASSEMBLY..............................................................15 DIFFERENTIAL SIDE GEAR THRUST WASHER ........44
REPAIR FOR COMPONENT PARTS ...........................18 Available Shims .........................................................44
Input Shaft and Gears ...............................................18 BEARING PRELOAD AND END PLAY ......................44
DISASSEMBLY ........................................................18 TOTAL TURNING TORQUE (NEW BEARING) ............45
INSPECTION ...........................................................19 MAINSHAFT BEARING ADJUSTING SHIM ................45
ASSEMBLY .............................................................20 TABLE FOR SELECTING MAINSHAFT BEARING
Mainshaft and Gears .................................................23 ADJUSTING SHIM ...................................................45
DISASSEMBLY ........................................................23 INPUT SHAFT BEARING ADJUSTING SHIM .............46
INSPECTION ...........................................................24 TABLE FOR SELECTING INPUT SHAFT BEARING
ASSEMBLY .............................................................26 ADJUSTING SHIM(S) ...............................................46
Final Drive..................................................................27 DIFFERENTIAL SIDE BEARING ADJUSTING
DISASSEMBLY ........................................................27 SHIM ......................................................................46
INSPECTION ...........................................................29 TABLE FOR SELECTING DIFFERENTIAL SIDE
ASSEMBLY .............................................................29 BEARING ADJUSTING SHIM ....................................47
Shift Control Components .........................................33
PREPARATION
Special Service Tools
Special Service Tools NFMT0001
Tool number
Description
Tool name
KV38105210 Measuring turning torque of final drive assembly
Preload adapter Measuring total turning torque
NT075
KV32101000 Removing and installing retaining pin
Pin punch a: 4 mm (0.16 in) dia.
NT410
ST22730000 Removing mainshaft front and rear bearing inner
Puller race
a: 82 mm (3.23 in) dia.
b: 30 mm (1.18 in) dia.
NT411
ST30031000 Removing input shaft front and rear bearing
Puller Removing 4th & 5th main gear
a: 90 mm (3.54 in) dia.
b: 50 mm (1.97 in) dia.
NT411
ST30021000 Removing 5th synchronizer
Puller Removing 3rd & 4th synchronizer
Removing 2nd & 3rd main gear
a: 110 mm (4.33 in) dia.
b: 68 mm (2.68 in) dia.
NT411
ST3306S001 Removing differential side bearing inner race
Differential side bearing a: 38 mm (1.50 in) dia.
puller set b: 28.5 mm (1.122 in) dia.
1: ST33051001 c: 130 mm (5.12 in)
Puller d: 135 mm (5.31 in)
2: ST33061000 e: 100 mm (3.94 in)
Adapter
NT675
ST33290001 Removing differential oil seal
Puller Removing mainshaft rear bearing outer race
Removing differential side bearing outer race
a: 250 mm (9.84 in)
b: 160 mm (6.30 in)
NT414
MT-2
PREPARATION
Special Service Tools (Cont'd)
Tool number
Description
Tool name
ST33400001 Installing differential oil seal (50A and 50V right
Drift side)
a: 60 mm (2.36 in) dia.
b: 47 mm (1.85 in) dia.
NT086
ST30600000 Installing input shaft front bearing
Drift a: 36 mm (1.42 in) dia.
b: 31 mm (1.22 in) dia.
NT065
ST22452000 Installing 3rd, 4th and 5th main gear
Drift a: 45 mm (1.77 in) dia.
b: 36 mm (1.42 in) dia.
NT065
ST30621000 Installing mainshaft rear bearing outer race
Drift (Use with ST30611000.)
a: 79 mm (3.11 in) dia.
b: 59 mm (2.32 in) dia.
NT073
ST30611000 (Use with ST30621000.)
a: 15 mm (0.59 in)
b: 335 mm (13.19 in)
c: 25 mm (0.98 in) dia.
d: M12 x 1.5P
NT419
KV38106500 Measuring side gear clearance
Preload adapter
NT087
KV38100300 Installing differential side bearing
( -- ) a: 54 mm (2.13 in) dia.
Drift b: 46 mm (1.81 in) dia.
c: 32 mm (1.26 in) dia.
NT085
ST30613000 Installing differential side bearing
( -- ) a: 72 mm (2.83 in) dia.
Drift b: 48 mm (1.89 in) dia.
NT073
MT-3
PREPARATION
Commercial Service Tools
Commercial Service Tools NFMT0002
Tool name Description
Drift Installing differential side bearing inner race
a: 45 mm (1.77 in) dia.
b: 41 mm (1.61 in) dia.
NT065
Drift Installing differential side bearing outer race
a: 69 mm (2.72 in) dia.
b: 64 mm (2.52 in) dia.
NT065
Drift Installing striking rod oil seal
a: 38 mm (1.50 in) dia.
b: 20 mm (0.79 in) dia.
NT065
Drift Installing differential oil seal (50V left side)
a: 92 mm (3.62 in) dia.
b: 72 mm (2.83 in) dia.
NT065
Drift Installing differential side bearing outer race (50V)
a: 99 mm (3.90 in) dia.
b: 94 mm (3.70 in) dia.
NT065
MT-4
NFMT0003
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH
NVH Troubleshooting Chart NFMT0003S01
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.
MANUAL TRANSAXLE NFMT0003S0101
Refer to MA-25, "Checking M/T Oil".
MT-12
MT-12
MT-12
MT-14
MT-14
MT-13
MT-13
MT-13
MT-13
MT-11
Reference page
CHECK PLUG RETURN SPRING AND CHECK BALL (Worn or damaged)
SUSPECTED PARTS
(Possible cause)
BAULK RING (Worn or damaged)
SHIFT CONTROL ROD (Worn)
BEARING (Worn or damaged)
OIL SEAL (Worn or damaged)
INSERT SPRING (Damaged)
O-RING (Worn or damaged)
GEAR (Worn or damaged)
GASKET (Damaged)
SHIFT FORK (Worn)
(Oil level is high.)
(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
MT-5
NFMT0004
DESCRIPTION
Cross-sectional View
Cross-sectional View NFMT0004S01
RS5F50A AND 50V NFMT0004S0101
SMT873D
MT-6
ON-VEHICLE SERVICE
Replacing Oil Seal
Replacing Oil Seal NFMT0005
DIFFERENTIAL OIL SEAL NFMT0005S01
1. Drain gear oil from transaxle.
2. Remove drive shafts. Refer to AX-9, "Drive Shaft".
3. Remove differential oil seals.
SMT563AA
4. Install differential oil seals.
+ Apply multi-purpose grease to seal lip of oil seal before
installing.
5. Install drive shafts. Refer to AX-9, "Drive Shaft".
SMT564AA
+ Install oil seals so that dimension "A" is within specifica-
tions.
Dimension "A":
-0.5 mm (-0.020 in) to 0.5 mm (0.020 in)
SAT489JB
STRIKING ROD OIL SEAL NFMT0005S02
1. Remove transaxle control rod from yoke.
2. Remove retaining pin.
+ Be careful not to damage boot.
SMT565AA
3. Remove striking rod oil seal.
SMT566A
MT-7
ON-VEHICLE SERVICE
Replacing Oil Seal (Cont'd)
4. Install striking rod oil seal.
+ Apply multi-purpose grease to seal lip of oil seal before
installing.
SMT570A
+ Drive it in as far as it will go.
SMT876D
Position Switch Check NFMT0006
BACK-UP LAMP SWITCH AND PARK/NEUTRAL
POSITION SWITCH NFMT0006S01
+ Check continuity.
Gear position Continuity
Reverse 1-5
Neutral 2-6
Except reverse and neutral No
SMT872D
Viscous Coupling Check NFMT0030
1. Apply parking brake firmly and place shift lever in the neutral
position.
2. Jack up front wheels.
3. Rotate one front wheel and check turning direction of the other
front wheel.
Turning direction of the two wheels is opposite:
The viscous coupling is not functioning normally.
Turning direction of the two wheels is the same:
If differential side gear and pinion mate gear thrust washers are
OK, viscous coupling is functioning normally.
SMT108C
MT-8
NFMT0008
REMOVAL AND INSTALLATION
Removal
Removal NFMT0008S01
CAUTION:
Remove the crankshaft position sensor (POS) from transaxle
assembly before separating transaxle from engine.
Be careful not to damage sensor edge.
1. Remove battery and its bracket.
2. Remove air cleaner box with mass air flow sensor.
SMT109C
3. Remove clutch operating cylinder from transaxle.
4. Remove clutch hose clamp.
5. Disconnect speedometer pinion, PNP switch and ground har-
ness connectors.
6. Remove starter motor from transaxle.
7. Remove crankshaft position sensor (POS) from transaxle front
side.
SMT650C
8. Remove shift control rod and support rod bracket from tran-
saxle.
9. Drain gear oil from transaxle.
10. Draw out drive shafts from transaxle. Refer to AX-9, "Drive
Shaft".
11. Support engine of transaxle by placing a jack under oil pan.
CAUTION:
Do not place jack under oil pan drain plug.
12. Remove bolts securing center member.
SMT651C
13. Remove LH mount.
14. Remove bolts securing transaxle.
15. Lower transaxle while supporting it with a jack.
SMT652C
Installation NFMT0008S02
+ Tighten LH mount and center member bolts. Refer to EM-58,
"Installation".
+ Tighten clutch operating cylinder bolts. Refer to CL-5,
"CLUTCH SYSTEM".
+ Install drive shafts. Refer to AX-9, "Drive Shaft".
+ Tighten all transaxle bolts and any part removed.
MT-9
REMOVAL AND INSTALLATION
Installation (Cont'd)
Bolt No. Tightening torque N