1998 DODGE RAM 1500 Workshop Manual

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Page 2257 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (8) Remove bottom tabbed thrust washer from low
range planetary (Fig. 38).
CLEANING
Clean the transfer case parts with a standard
parts cleaning solvent. Remove all traces of sealer
from the cases and

Page 2258 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual SHIFT FORKS/HUBS/SLEEVES
Check condition of the shift forks and mode fork
shift rail (Fig. 40). Minor nicks on the shift rail can
be smoothed with 320-400 grit emery cloth.
Inspect the shift fork wear

SHIFT FORKS/HUBS/SLEEVES
Check condition of the shift forks and mode fork
shift rail (Fig. 40). Minor nicks on the shift rail can
be smoothed with 320-400 grit emery cloth.
Inspect the shift fork wear pads (Fig. 41). The
mode and range fork pads are serviceable and can be
replaced if necessary.
Check both of the sleeves for wear or damage,
especially on the interior teeth. Replace the sleeves if
wear or damage is evident.
REAR EXTENSION HOUSING
Inspect the extension housing seal and bushing.
Replace both components if either show any sign of
wear or damage.
FRONT OUTPUT SHAFT AND DRIVE CHAIN
Inspect the shaft threads, sprocket teeth, and bear-
ing surfaces. Minor nicks on the teeth can be
smoothed with an oilstone. Use 320-400 grit emery to
smooth minor scratches on the shaft bearing sur-
faces. Rough threads on the shaft can be chased if
necessary. Replace the shaft if the threads are dam-
aged, bearing surfaces are scored, or if any sprocket
teeth are cracked or broken.
Examine the drive chain and shaft bearings.
Replace the chain and both sprockets if the chain is
stretched, distorted, or if any of the links bind.
Replace the bearings if rough, or noisy.
LOW RANGE ANNULUS GEAR
Inspect annulus gear condition carefully. The gear
is only serviced as part of the front case. If the gear
is damaged, it will be necessary to replace the gear
and front case as an assembly. Do not attempt to
remove the gear (Fig. 42)
FRONT AND REAR CASES
Inspect the cases for wear and damage.
Check case condition. If leaks were a problem, look
for gouges and severe scoring of case sealing sur-
faces. Also make sure the front case mounting studs
are in good condition.
Fig. 40 Shift Forks
1 - RANGE FORK
2 - MODE FORK AND RAIL
3 - MODE SPRING
Fig. 41 Shift Fork And Wear Pad Locations
1 - RANGE FORK
2 - MODE FORK
3 - WEAR PADS (SERVICEABLE)
4 - WEAR PADS (SERVICEABLE)
Fig. 42 Low Range Annulus Gear
1 - FRONT CASE
2 - LOW RANGE ANNULUS GEAR
DRTRANSFER CASE - NV273 21 - 555
TRANSFER CASE - NV273 (Continued)

Page 2259 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual Check the front case mounting studs and vent
tube. The tube can be secured with LoctiteŸ 271 or
680 if loose. The stud threads can be cleaned up with
a die if necessary. Also check condition of the f

Page 2260 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (7) Start front output shaft front bearing in case.
Then seat bearing with Installer 8891 (Fig. 46).
(8) Install front output shaft bearing retaining
ring.
(9) Remove input gear pilot bearing by inser

Page 2261 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (12) Install new bearing with Tool Handle C-4171
and Installer 8128 (Fig. 49). The bearing bore is
chamfered at the top. Install the bearing so it is
flush with the lower edge of this chamfer (Fig. 50

Page 2262 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (16) Remove the rear output shaft bearing from
the rear case using Installer 7888 (Fig. 53).
(17) Install the rear output shaft bearing (Fig. 54)
into the rear case using Installer 8152 and Handle
C-4

Page 2263 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (4) Install remaining thrust washer (Fig. 57) in
low range gear and on top of input gear.
(5) Install retainer (Fig. 58) on input gear and
install snap-ring (Fig. 59).
(6) Align and install low range/

Page 2264 of 2627

DODGE RAM 1500 1998 2.G Workshop Manual (7) Install snap-ring to hold input/low range gear
into front bearing (Fig. 61).
(8) Install a new input gear seal using Installer
8841 and Handle C-4171.
(9) Install a new input gear oil seal with In

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