TM 9-2320-387-24-l
DRIVETRAIN
DIAGNOSTIC FLOWCHART
KNOWN INFO
TEST OPTfONS
SHIFTER OK
TRANSFER CASE OK
INSPECT THE HALFSHAFTS
AND THE CONSTANT
VELOCITY (CV) JOINTS.
ARE THEY OK?
VISUAL
REASON FOR QUESTION
The halfshafts transmit
power from the differentials
to the geared hubs.
POSSIBLE
PROBLEMS
HALFSHAFTS
PROPELLER
SHAFTS
CV AND U-JOINTS
GEARED HUBS
REPLACE
AS
151
i TEST OPTIONS
VISUAL
KNOWN INFO
SHIFTER OK
TRANSFER
CASE OK
HALFSHAFTS
AND
CV JOINTS OK
INSPECT THE FRONT AND
REAR PROPELLER SHAFTS
AND U-JOINTS. ARE THEY
OK?
REASON FOR QUESTfON
The propeller shafts transmit
power from the transfer case to
the differentials.
POSSIBLE
PROBLEMS
PROPELLER
SHAFTS
U-JOINTS
GEARED HUBS
6
1
TEST OPTIONS
VISUAL
KNOWN INFO
PROPELLER
SHAFTS OK
U-JOINTS OK
SHIFTER OK
TRANSFER CASE OK
HALFSHAFTS
AND
CV JOINTS OK
POSSIBLE
PROBLEMS
INSPECT THE GEARED HUBS.
ARE THEY OK?
REASON FOR QUESTTON
The geared hubs transmit power
from the drivetrain to the wheels.
GEARED HUBS
DlFFERENTlALS
2-456
