Page 1305 of 2543
(d) Install the 5th synchronizer ring.
(e) Install the reverse synchronizer ring.
(f) Turn the reverse synchronizer pull ring.
(g) While pushing 3 shifting keys, install the synchronizer ring
assembly to the No.3 hub sleeve.
± W58 MANUAL TRANSMISSIONCOUNTER GEAR AND REVERSE IDLER GEARMT1±39
Page 1306 of 2543
FRONT BEARING RETAINER
COMPONENTS
OIL SEAL REPLACEMENT
IF NECESSARY, REPLACE FRONT BEARING RETAINER
OIL SEAL
(a) Using a screwdriver, pry out the oil seal.
(b) Using SST and a press, install a new oil seal.
SST 09608±20012 (09608±03020, 09608±00080)
Drive in depth:
11.4±12.0 mm (0.449±0.472 in.) from retainer end
MT1±40± W58 MANUAL TRANSMISSIONFRONT BEARING RETAINER
Page 1307 of 2543
EXTENSION HOUSING
COMPONENTS
REVERSE RESTRICT PIN
REPLACEMENT
1. REMOVE REVERSE RESTRICT PIN
(a) Using a hexagon wrench, remove the screw plug.
(b) Using a pin punch and hammer, drive out the slotted spring
pin.
(c) Pull off the lever housing and slide out the shaft.
± W58 MANUAL TRANSMISSIONEXTENSION HOUSINGMT1±41
Page 1308 of 2543
2. INSPECT REVERSE RESTRICT PIN
Turn and push the reverse restrict pin by hand. Check for
smooth operation.
3. INSTALL REVERSE RESTRICT PIN
(a) Install the lever housing.
(b) Using a pin punch and hammer, drive in the slotted spring pin,
as shown.
(c) Apply sealant to the plug.
Sealant:
Part No. 08833±00080, THREE BOND 1344, LOCTITE
242 or equivalent
(d) Install and torque the screw plug.
Torque: 25 NVm (250 kgfVcm, 18 ftVlbf)
BEARING REPLACEMENT
IF NECESSARY, REPLACE REAR BEARING OUT REAR
RACE
(a) Using 2 screwdrivers, remove the snap ring.
(b) Using SST and a hammer, tap out the outer race. SST
09608±12010 (09608±00020, 09608±00050) MT1±42
± W58 MANUAL TRANSMISSIONEXTENSION HOUSING
Page 1309 of 2543
(c) Using SST, install a new outer race. SST 09608±35014
(09608±06020, 09608±06100)
(d) Using a screwdriver, install the snap ring.
OIL SEAL REPLACEMENT
IF NECESSARY, REPLACE OIL SEAL
(a) Using SST, remove the oil seal.
SST 09308±00010 or 09308±10010 w/ output shaft installed
(b) Using SST and a hammer, drive in a new oil seal. SST
09325±20010
± W58 MANUAL TRANSMISSIONEXTENSION HOUSINGMT1±43
Page 1310 of 2543
CONTROL SHIFT LEVER RETAINER
COMPONENTS
OIL SEAL REPLACEMENT
IF NECESSARY, REPLACE CONTROL SHIFT LEVER RE-
TAINER OIL SEAL
(a) Remove the No. 2 inner shift lever set bolt.
(b) Remove the No. 2 inner shift lever and control shaft from the
control shift lever retainer.
(c) Using a screwdriver, pry out the oil seal. MT1±44
± W58 MANUAL TRANSMISSIONCONTROL SHIFT LEVER RETAINER
Page 1311 of 2543
(d) Using SST and a hammer, install a new oil seal. SST
09304±12012
Drive in depth:
55.4±56.0 mm (2.181±2.205 in.)
(e) Install the control shaft and No. 2 inner shift lever to the
control shift lever retainer.
(f) Install and torque the No. 2 inner shift lever set bolt.
Torque: 39 NVm (400 kgfVcm, 29 ftVlbf)
± W58 MANUAL TRANSMISSIONCONTROL SHIFT LEVER RETAINERMT1±45
Page 1312 of 2543

SERVICE SPECIFICATIONS
SERVICE DATA Output shaft 2nd gear journal diameter
Min 42.975 mm (1.6919 in.) Output shaft 3rd gear journal diameter
Min 31.969 mm (1.2586 in.)
Output shaft flange thickness
Min 5.60 mm (0.2205 in.)
Output shaft runout
Max 0.06 mm (0.0024 in.)
1st gear inner race flange thickness
Min 4.78 mm (0.1882 in.)
1st gear inner race outer diameter
Min 42.975 mm (1.6919 in.)
Counter gear bearing journal diameter Min 29.950 mm (1.1791 in.) Counter 5th gear journal diameter
Min 26.975 mm (1.0620 in.) 1st, 2nd and 3rd Gear thrust clearance
STD 0.10±0.25 mm (0.0039±0.0098 in.)
Max 0.30 mm (0.0118 in.)
Counter 5th gear thrust clearance
STD 0.10±0.41 mm (0.0039±0.0161 in.)
Max 0.46 mm (0.0181 in.)
1st, 2nd and counter 5th gear radial clearance
STD 0.009±0.060 mm (0.0004±0.0024 in.)
Max 0.150 mm (0.0059 in.)
3rd gear radial clearance
STD 0.015±0.066 mm (0.0006±0.0026 in.) Max 0.200 mm (0.0079 in.) Reverse idler gear radial clearance
STD 0.041±0.074 mm (0.0016±0.0029 in.) Max 0.194 mm (0.0076 in.) Reverse idler gear and shift arm shoe clearance
STD 0.20±0.41 mm (0.008±0.0161 in.)
Max 0.9 mm (0.0354 in.)
Shift fork to hub sleeve clearance
Max 1.0 mm (0.039 in.)
Synchronizer ring to 1st and 4th gear clearance
Max 0.5 mm (0.020 in.)
Synchronizer ring to 2nd and 3rd gear clearance
Max 0.7 mm (0.028 in.)
Input shaft snap ring thickness
Mark 1
2.05±2.10 mm (0.0807±0.0827 in.) Mark 2 2.10±2.15 mm (0.0827±0.0846 in.) Mark 3 2.15±2.20 mm (0.0846±0.0866 in.) Mark 4 2.20±2.25 mm (0.0866±0.0886 in.) Mark 5 2.25±2.30 mm (0.0886±0.0906 in.)
MT1±46± W58 MANUAL TRANSMISSIONSERVICE SPECIFICATIONS