Jeep Wrangler TJ. Manual — part 480
FRONT HOUSING
(1) Remove input shaft retainer (1) (Fig. 37) bolts
(2) and remove retainer.
(2) Remove countershaft bearing (1) (Fig. 38)
retainer (2) bolts and remove retainers.
(3) Remove countershaft bearing (1) (Fig. 39) from
housing (2) with a hammer and driver.
(4) Remove input shaft (1) (Fig. 40) bearing
retainer (2) bolts and remove retainers.
Fig. 37 INPUT SHAFT RETAINER
1 - INPUT SHAFT RETAINER
2 - BOLTS
Fig. 38 COUNTERSHAFT BEARING RETAINER
1 - COUNTERSHAFT BEARING
2 - RETAINERS
Fig. 39 COUNTERSHAFT BEARING FRONT
HOUSING
1 - COUNTERSHAFT BEARING
2 - HOUSING
Fig. 40 INPUT SHAFT BEARING RETAINER
1 - INPUT SHAFT
2 - BEARING RETAINER
3 - BEARING RETAINER
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MANUAL TRANSMISSION - NSG370
21 - 11
MANUAL TRANSMISSION - NSG370 (Continued)
(5) Remove input shaft and bearing from housing
with a dead blow hammer.
(6) Remove input shaft seal (1) (Fig. 41) from
housing (2) with a hammer and driver.
INPUT SHAFT
(1) Remove input shaft bearing (1) (Fig. 42) snap
ring (2).
(2) Remove input shaft bearing (1) (Fig. 43) with
Splitter 1130 (2) and press. Place splitter around
bearing retainer lip.
REAR HOUSING
(1) Remove reverse idler gear shaft bolt (1) (Fig.
44) from housing (2).
Fig. 41 INPUT SHAFT SEAL
1 - INPUT SHAFT SEAL
2 - HOUSING
Fig. 42 INPUT SHAFT BEARING SNAP RING
1 - INPUT SHAFT BEARING
2 - SNAP RING
Fig. 43 INPUT SHAFT BEARING REMOVAL
1 - INPUT SHAFT BEARING
2 - BEARING SPLITTER 1130
Fig. 44 IDLER SHAFT BOLT
1 - IDLER GEAR SHAFT BOLT
2 - HOUSING
21 - 12
MANUAL TRANSMISSION - NSG370
TJ
MANUAL TRANSMISSION - NSG370 (Continued)
(2) Thread idler gear shaft bolt (1) (Fig. 45) into
the shaft (2). Then work shaft (2) out of the idler
gear.
(3) Remove reverse idler gear (1) (Fig. 46) shaft
support (2).
(4) Remove reverse idler gear (1) (Fig. 47) thrust
washer (2).
(5) Remove reverse idler gear (1) (Fig. 48) and
bearing (2).
Fig. 45 PULL IDLER SHAFT
1 - IDLER GEAR SHAFT BOLT
2 - IDLER GEAR SHAFT
Fig. 46 IDLER SHAFT SUPPORT
1 - REVERSE IDLER GEAR
2 - SHAFT SUPPORT
Fig. 47 IDLER GEAR THRUST WASHER
1 - REVERSE IDLER GEAR
2 - THRUST WASHER
Fig. 48 IDLER GEAR BEARING
1 - REVERSE IDLER GEAR
2 - BEARING
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MANUAL TRANSMISSION - NSG370
21 - 13
MANUAL TRANSMISSION - NSG370 (Continued)
(6) Break plastic countershaft roller bearing cage
(1) (Fig. 49) with a screw driver (2). Then remove
cage and roller bearing.
(7) Remove countershaft roller bearing shell (1)
(Fig. 50) from the rear housing with Remover 7794-A
(2) and Slide Hammer C-637.
(8) Remove
mainshaft
bearing
(1)
(Fig.
51)
retainer (2) bolts and remove retainers.
(9) Remove bearing from housing with a hammer
and driver.
CLEANING
Clean gears, shafts, shift components and trans-
mission housings with a standard parts cleaning sol-
vent. Do not use acid or corrosive base solvents. Dry
all parts except bearings with compressed air.
Clean shaft bearings with a mild solvent such as
Mopar degreasing solvent, Gunk or similar solvents.
Do not dry the bearings with compressed air. Allow
the bearings to either air dry or wipe them dry with
clean shop towels.
Fig. 49 BEARING CAGE
1 - ROLLER BEARING CAGE
2 - SCREWDRIVER
Fig. 50 BEARING SHELL PULLER
1 - ROLLER BEARING CAGE
2 - REMOVER
Fig. 51 REAR MAINSHAFT BEARING RETAINER
1 - MAINSHAFT BEARING
2 - RETAINERS
21 - 14
MANUAL TRANSMISSION - NSG370
TJ
MANUAL TRANSMISSION - NSG370 (Continued)
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