four wheel drive ISUZU TFS SERIES 1997 Workshop Manual

FRONT WHEEL DRIVE 4C1-13
Important Operations - Removal
1. Assembly of hub and disc, back plate, knuckle, knuckle
arm, and lower end.
Before removal, jack up the front of vehicle and support the
frame with jack stands.
2. Propeller Shaft
Apply the setting marks.
5. Front Drive Axle Assembly
(1) Put the lifting jack under the center part of the front.
(2) Remove four bolts fixing axle case mounting brackets to the
frame.
Note :
Be careful not to damage birfield joints or double off-set
joints when supporting axle shaft assembly.
(3) Lower the front axle assembly and roll it out toward the front
of the vehicle.
Take care not to damage the birfield joints or the double off-
set joints.

FRONT WHEEL DRIVE 4C1-87
7. AUTOMATIC LOCKING FREE WHEEL HUB
(1) DOES NOT LOCK OR LOCKS ONLY ON ONE SIDE
Note :
1. Stop the vehicle
2. Shift the transfer lever to 4H or 4L
3. Now start driving the vehicle and the
hubs will lock automatically.
4. Once the hubs are locked, they will
remain locked, even if the transfer lever
is shifted from 4L or 4H into 2H, as long
as the vehicle travels in a same
direction.
Checkpoint Trouble Cause Countermeasure
ReplaceStill will not lock NGTry locking procedure once
more
(2) DOES NOT FREEWHEEL OR FREEWHEELS ONLY TO ONE SIDE
Note :
Freewheel operation
1. Stop the vehicle
2. Shift the transfer lever to 2H
3. Back up the vehicle for three or four feet;
this will disengage the front differential.
Checkpoint Trouble Cause Countermeasure
ReplaceStill will not freewheel
Driver the vehicle for five
minutes and then try the
freewheel procedure again
Still will not freewheel NGTry freewheel procedure once
more