- Remove the following components
from the rear case:
• | The four-wheel drive switch |
- Remove the following components from the rear of the case (if
equipped):
• | The four-wheel drive low switch |
• | (If needed, use a magnet in order to remove the steel ball from the
case.) |
- Remove the following components from the rear case:
• | The speedometer driven gear case |
- Remove the following components
from the rear case:
• | The gearshift lever case |
- Remove the following components
from the rear case (6):
• | The select return spring bolt (1) |
• | The select return spring (3) |
• | The select return ball (4) |
• | The select return pin (5) |
Important: Driving the reduction shift yoke roll pin down will cause the pin to
fall down into the transfer case assembly. Use a magnet during the removal
of the reduction shift yoke roll pin after removing the rear case.
- Use a standard drift punch and a hammer in order to remove the reduction
shift yoke roll pin from the reduction shift yoke.
- Slide the reduction shift yoke rearward. Pull the reduction shift
yoke off the reduction shift shaft and out of the rear case.
- Remove the 15 rear case bolts.
- Separate the rear case
from the center case using a J 37637
.
- Remove the selective shim from the top of the rear output shaft
rear bearing.
- Use J 34757
in order to remove the following components
from the rear output shaft:
• | The speedometer drive gear C-clip |
• | The speedometer drive gear |
- Use J 34757
in order to remove the rear output shaft
rear bearing C-clip from the rear output shaft.
- Use J 8433
with J 37756
in order to remove the rear output shaft rear bearing from
the rear output shaft.
Important: Do not lose the rear output shaft washer ball underneath the drive sprocket
bushing during the sprocket bushing removal.
- Remove the following components from the rear output shaft:
• | The drive sprocket bushing |
• | The drive sprocket needle bearing |
- Remove the following drive
components from the rear output shaft and the front output shaft:
• | The rear output shaft washer ball |
- Use J 26941
with J 23907
in order to remove the rear output shaft oil seal from the
rear case.
- Use J 26941
with J 23907
in order to remove the rear output shaft needle bearing from
the rear case.
- Remove the following components
from the front case:
• | The countershaft case plate (1) |
- Remove the 9 front
case bolts from the front case.
- Separate the front case
from the center case (1).
- Remove the countershaft assembly (3) from the
center case.
Important: Do not lose the countershaft washer balls which come out from between
the countershaft (9) and the countershaft washers (1,7).
- Remove the following components from the countershaft (9):
• | The countershaft washers (1,7) |
- Remove the following components from the countershaft:
• | The countershaft needle bearings (4,8) |
• | The countershaft spacer (5) |
- Inspect the countershaft friction ring for excessive wear or damage.
Replace as necessary.
- Inspect the countershaft O-ring for cuts or other damage. Replace
as necessary.
Important: Do NOT remove either the countershaft friction ring (10) or the
O-ring (2) unless absolutely necessary. If you remove either one, replace
with new components.
- Remove the countershaft O-ring from the countershaft.
- Use J 39497
and a press arbor (2) in order
to remove the countershaft friction ring (1) from the countershaft (3).
- Remove the following components
from the center case:
• | The 2 locating screws (4) |
• | The 2 locating springs (3) |
• | The 2 locating balls (2) |
Important: Observe the alignment marks on the following components in order to
ensure correct alignment during assembly:
• | The reduction clutch sleeve and hub |
• | The front drive clutch sleeve and hub |
If no alignment marks are present, scribe new marks on these components.
- Remove the following components from the rear output shaft, in front
of the center case:
• | The reduction shift shaft (2) |
• | The reduction shift fork (1) |
• | The reduction clutch sleeve (3) |
- Remove the following components from the rear output shaft, in
the rear of the center case:
• | The front drive shift shaft |
• | The front drive shift fork |
• | The front drive clutch sleeve |
• | The front drive clutch hub |
- Remove the interlock ball from the center case passage.
- Use J 34757
in order to remove the reduction hub C-clip (3) from the rear output
shaft.
- Remove the following components
from the rear output shaft.
• | The reduction clutch hub (3) |
• | The low output gear (2) |
• | The low output gear needle bearing (1) |
- Use a plastic mallet in
order to remove the rear output shaft from the center case.
- Use J 22912-O1
and a press arbor in order to remove
the rear output shaft front bearing from the rear output shaft.
- Use a plastic mallet in
order to remove the following components from the center case:
- Remove the following components
from the center case:
- Use J 26941
with J 23907
in order to remove the front output shaft oil seal from the
center case.
- Use J 26941
with J 23907
in order to remove the front output shaft needle bearing from
the center case.
- Use J 22912-O1
with J 34844
and a press arbor in order to remove the front output shaft
bearings from the front output shaft.
- Remove the input gear
bearing C-clip from the input gear.
- Use a plastic mallet in
order to remove the input gear from the front case.
- Remove the following components
from the rear case:
- Use J 26941
with J 23907
in order to remove the input gear oil seal from the front
case.
- Remove the input gear
snap ring from the input gear.
- Use J 22912-O1
with J 28406
and a press arbor in order to remove the input gear bearing
from the input gear.
- Remove one roll pin from the reduction shift fork.
- Remove the reduction roll fork from the reduction shift shaft.
- Remove the following components from the front drive shift shaft:
• | The front drive shift fork |
• | The front drive fork spring |
- Clean the following front case components thoroughly with clean
solvent:
Thoroughly dry the components.
• | Ensure proper case sealing to all of the case component mating surfaces. |
- Clean all of the internal components with solvent.
Thoroughly dry the components.
- Inspect the following components for cracks or porosity:
• | The gearshift lever case |
- Inspect the drive teeth and the clutching teeth of all of the
gears and sprockets for the following conditions:
- Inspect the shift shafts and the forks for the following conditions:
- Inspect the clutch hubs and the sleeves for the following conditions:
- Inspect the locating springs for the following conditions:
- Use J 26900-5
in order to measure each locating
spring.
Measurement
Standard spring length is 19.5 mm (0.768 in).
If a spring length measures below 18.0 mm (0.709 in),
replace the springs as necessary.
- Use a feeler gage in order
to measure the shift fork-to-clutch sleeve clearance.
Measurement
The maximum shift fork-to-clutch sleeve clearance is 1.0 mm (0.039 in).
If the clearance is greater than 1.0 mm (0.039 in), replace
the shift fork and the clutch sleeve as necessary.