1984 NISSAN 300ZX Manual Transmission Workshop Manual

MANUAL TRANSMISSION
I
CONTENTS
REMOVAL AND INSTALLATION ...... ...... .... MT-2
ON-VEHICLE SERVICE
. . .. .. _. MT- 3
MAJOR OVERHAUL - FS5W71C. ... ...... ........ Mi- 4
DISASSEMBLY - FS5W71C ....... .. MT- 7
REPAIR FOR COMPONENT PARTS-FS5W71C ..... MT- a
ASSEMBLY - FS5W71C ...... , . . MT-18
5-SPEED TRANSMISSION [Model BW T-5 (FS5R90AIl
... MT-20
Rear extension
.. ... ..... ...... MT-23
Case cover
. . ......... ......... MT-23
Transmission case
. . ... .... MT-24
Gearstkshafts
.... .. .. .. ... MT-27
Replacement of
oil seals .... ..... MT-28
Replacement
of bearings . .I. ....... . MT-29
SPECIAL SERVICE TOOLS .... MT-33
SERVICE DATA AND SPECIFICATIONS (S D S ) .. MT-30

REMOVAL AND INSTALLATION
Remove exhaust front tube, catalytic converter
and exhaust manifold connecting tube
Refer to
EM section.
a Remove propeller shaft.
Refer to
PD section
Insert plug into rear oil seal after removing pro-
peller shaft.
a Support engine by placing a jack under oil pan.
CAUTION:
a Be careful not to damage spline, sleeve yoke
and rear oil seal, when removing propeller
shaft.
Do not place lack under the oil pan drain plug.
a Remove shift lever
BW T-5 (FS5R90A)
SMTOlZA FS5W71C
WARNING:
Support Manual Transmission, while removing It.
Installation
a
These bolts have different lengths.
Tighten bolts securing transmission to engine
22.291
SMT978
Fill transmission with recommended gear oil
MT-2

ON-VEHICLE SERVICE
0 Rear extension oil seal.
I
MT-3

MAJOR OVERHAUL-FS5W71C
Case Components
MT-4

MAJOR OVERHAUL-FS5W71C
Gear Components
3rd main gear Needle bearing
Coupling sleeve 7 TmGearoiI
3rd & 4th synchroi Pay attention to ~ts
Pilot bearing Gear 011
Baulk ring Gear uu
Man drive gear ball bearing -,
Snap rc )
Mainshaft
I
2nd main gear- @A?
Mainshaft ball bearing r
Speedometer drive geai
Snap ring
1st 8 2nd synchronizer hub
Counterrhaft lock nut *
110 0 - 13.0,12.94)
Reverse ~ounter gear
Countershaft rear end
Reverse main gear Overdrive counter gear
gear spacer
Reverse idler gear
Reverse idler thrust
lnsen retainer
Reverse idler gear bearing
0 D (5th) synchronaer hub *
Rwerre idler thrust washer
Reverse idler shaft * Always replace
* Select with proper thickness. SMT980 N m (kg-m, ft-lb) * pay anemon to Itsdlrectlon.
counter front bearing
MT- 5

MAJOR OVERHAUL-FS5W71C
Shift Control Components

DlSASSEMBLY-IFS5W71C
1 Remove control housing, check ball and
plunger.
W SMT982
2 Remove rear extension by lightly tapping it.
60
SMT983
3. Remove front cover, gasket, countershaft front
bearing shim, and main drive bearing snap ring
SMTOll
4 Separate transmission case from adapter plate
TM753
5. Set up Tool on adapter plate
TM754
6 Remove check ball plugs, check springs, and
7 Drive out retaining pins Then drive out fork
check balls.
rods and remove interlock balls
MT-7

REPAIR FOR COMPONENT PARTS-FS5W71C
1 st
2nd
3rd
OD
Reverse idler
Forks and Fork Rods
031 .037 (00122 -0 01461
0 11 -0 17 (00043 -0 00671
0 11 - 0 17 (0 0043 - 0 00671
032-035(00126-00138~
0 05 - 0 50 (0 0020 - 0 01971
INSPECTION
Check for wear, scratches, projection or dam-
age.
SMT137
Gears and Shafts
D ISASSEMB LY
1.
0
Before disassembly, measure each gear end
If end play IS not within the specified limit, dis-
assemble and check the parts
Replace any part which
IS worn or damaged
play.
Mainshaft or bushing
WL
SMT025
Gear I End play mrn (in1
2 Mesh 2nd and reverse gear, then draw out
counter front bearing.
TM398
MT-8