Dodge RAM 1500 1998 Owner's Manual page 1778

DR
MANUAL TRANSMISSION - NV4500 (Continued)
(5) Install new oil seal in front bearing retainer
with Installer 6052 (Fig. 112). Use one or two wood
blocks to support retainer as shown. Lubricate seal
lip with petroleum jelly after installation.
Fig. 112 BEARING RETAINER OIL SEAL
1 - INSTALLER
2 - RETAINER
3 - WOOD BLOCK
(6) Clean contact surfaces of gear case and front
bearing retainer with a wax and grease remover.
(7) Apply Mopar Silicone Sealer or equivalent to
flange surface of front bearing retainer (Fig. 113).
(8) Install front bearing retainer over drive gear
and start it into case.
(9) Start front bearing retainer in gear case. Verify
retainer lube channel is at the top-center (12
O'clock) position (Fig. 113).
Fig. 113 LOCATION OF FRONT RETAINER LUBE
CHANNEL
1 - LUBE CHANNEL
2 - FRONT RETAINER
3 - APPLY GASKET MAKER HERE
MANUAL TRANSMISSION - NV4500
(10) Align front bearing retainer bolt holes and tap
retainer into place with plastic mallet. Install new
retainer bolts and tighten to 30 N·m (22 ft. lbs.) (Fig.
114).
NOTE: Never reuse the old bolts.
Fig. 114 FRONT BEARING RETAINER
1 - DRIVE GEAR
2 - FRONT BEARING RETAINER
MAINSHAFT END PLAY
(1) Install mainshaft rear bearing cup in case and
over bearing. Tap bearing cup into place with plastic
mallet.
(2) Install rear bearing plate to hold mainshaft
and rear bearing in position (Fig. 115).
NOTE: Do not install any end play shims at this
time.
(3) Tighten rear bearing plate bolts securely.
(4) Place gear case in upright position on bench.
Either cut hole in bench to accept drive gear and
front retainer or use C-clamps to secure transmission
on bench.
NOTE: Do not leave transmission unsupported.
(5) Install Extension Rod 8161 into a suitable
threaded hole in rear of case.
(6) Mount dial indicator on extension rod and posi-
tion indicator plunger against end of mainshaft.
(7) Move mainshaft forward to remove all play
then zero dial indicator.
(8) Move mainshaft upward and record dial indica-
tor reading. Move mainshaft with pry tool positioned
between drive gear and case.
(9) End play should be 0.051-0.15 mm (0.002-0.006
in.). Select fit shims are available to adjust end play.
If end play adjustment is required, remove bearing
plate and install necessary shim.
(10) Reinstall rear bearing plate with oil hole in
bearing plate at the top (Fig. 115).
(11) Apply Mopar Lock N' Seal or equivalent to
bearing plate bolt threads. Install and tighten bolts
to 23 N·m (200 in. lbs.).
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