Jeep Wrangler 1997 Manual - page 1078
INSTALLATION AND INDEXING
(1) Thoroughly clean adapter flange and adapter
mounting surface in housing. Surfaces must be clean
for proper adapter alignment and speedometer oper-
ation.
(2) Install new O-rings on speed sensor and speed-
ometer adapter (Fig. 4), if necessary.
(3) Lubricate sensor and adapter O-rings with
transmission fluid.
(4) Install vehicle speed sensor in speedometer
adapter. Tighten sensor attaching screw to 2-3 N·m
(15-27 in. lbs.) torque.
(5) Install speedometer pinion in adapter.
(6) Count number of teeth on speedometer pinion.
Do this before installing assembly in housing. Then
lubricate pinion teeth with transmission fluid.
(7) Note index numbers on adapter body (Fig. 5).
These numbers will correspond to number of teeth on
pinion.
(8) Install speedometer assembly in housing.
(9) Rotate adapter until required range numbers
are at 6 o-clock position. Be sure range index num-
bers correspond to number of teeth on pinion gear.
(10) Install speedometer adapter clamp and retain-
ing screw. Tighten clamp screw to 10-12 N·m (90-110
in. lbs.) torque.
(11) Connect wires to vehicle speed sensor.
(12) Lower vehicle and top off transmission fluid
level if necessary.
FRONT OUTPUT SHAFT SEAL
REMOVAL
(1) Raise vehicle.
(2) Remove front propeller shaft. Refer to Group 3,
Differential and Driveline, for proper procedure.
(3) Remove front output shaft yoke.
(4) Remove seal from front case with pry tool (Fig.
6).
INSTALLATION
(1) Install new front output seal in front case with
Installer Tool 8143 as follows:
(a) Place new seal on tool. Garter spring on seal
goes toward interior of case.
(b) Start seal in bore with light taps from ham-
mer (Fig. 7). Once seal is started, continue tapping
seal into bore until installer tool seats against case.
DISASSEMBLY AND ASSEMBLY
NV231 TRANSFER CASE
DISASSEMBLY
Position transfer case on shallow drain pan.
Remove drain plug and drain lubricant remaining in
case.
REAR RETAINER AND OIL PUMP REMOVAL
(1) Remove the speedometer adapter.
Fig. 5 Location Of Index Numbers On Speedometer
Adapter
Fig. 6 Remove Front Output Shaft Seal
Fig. 7 Front Output Seal Installation
21 - 172
TRANSMISSION AND TRANSFER CASE
TJ
REMOVAL AND INSTALLATION (Continued)