TM 9-2320-387-24-l
DRIVETRAIN
DIAGNOSTIC FLOWCHART
-
INFO
ARE BOTH PROPELLER
SHAFTS AND U-JOINTS OK?
VEHICLE FAILS
ROAD TEST
FLUID OK
SHIFTER OK
VEHICLE MOVES
REASON FOR QUESTtON
The propeller shafts transmit
power to the differentials.
POSSIBLE
PROBLEMS
DIFFERENTIALS
SHAFTS
GEARED HUBS
TRANSFER CASE
KNOWN INFO
OPTIONS
VISUAL
ARE ALL 4 HALFSHAFTS AND
CONSTANT VELOCITY JOINTS
OK?
JEHICLE FAILS
ROAD TEST
-LU ID OK
SHIFTER OK
rlEHlCLE MOVES
‘ROPELLER
SHAFTS OK
POSSIBLE
PROBLEMS
REASON FOR QUESTION
Haffshafts transmit power from
the differentials to the geared
hubs.
DIFFERENTIALS
HALFSHAFTS
GEARED HUBS
TRANSFER CASE
ITEST omotds
VISUAL
INSPECT THE GEARED HUBS.
ARE THEY OK?
KNOWN INFO
VEHICLE FAILS
ROAD TEST
FLUID OK
SHIFTER OK
VEHICLE MOVES
PROPELLER
SHAFTS OK
HALFSHAFTS
OK
REASON FOR QUESTION
The geared hubs transmit power
from the drivetrain to the wheels.
POSSIBLE
PROBLEMS
DIFFERENTIALS
GEARED HUBS
TRANSFER
CASE
