TM 9-2320-387-24-l
STEERING SYSTEM
KNOWN INFO
WHEELS AND TIRES OK
3RAKES OK
iARD STEERING
3ERPENTlNE BELT,
FLUID OK
‘UMP. PULLEY,
BRACKET LOOK OK
POSSIBLE PROBLEMS
LEAKS
HYDRAULIC SYSTEM
POWER STEERING
COOLER
I
KNOWN INFO
HARD STEERING
SERPENRINE
BELT,
PUMP, PULLEY.
POWER STEERING
HYDRAULICS
HYDRO-BOOSTER
STEERING GEAR
FAN DRIVE
POWER STEERING
COOLER
KNOWN INFO
HARD OR ABNORMAL
STEERING
POSSIBLE PROBLEMS
POWER STEERING PUMP
POWER STEERING GEAR
FAN DRIVE
HYDRO-BOOSTER
POWER STEERING
COOLER
ARE THE COMPONENTS LISTED
AT THE RIGHT CLEAN, TIGHT,
AND FREE OF EVIDENCE OF
LEAKING FLUID?
L
DIAGNOSTIC FLOWCHART
OPTfONS
VISUAL
REASONFORQUESTfON
Leaking fluid from the hydraulic
hoses could indicate a bad hose
or a bad component.
THE NEXTTHREE QUESTIONS
DON7 HAVE A NO PATH.
REMEMBER THE ANSWERS UNTIL
THE END OF THE TEST CHAIN.
OPTlONS
1. THIS TEST CHAIN.
2. POWER STEERING ANALYZER
(SEE NOTE AT RIGHT REGARD-
ING USE).
REASON FOR TESTS
You can? determine what is
wrong in the hydraulics
until you test everything.
+
YES
B6
1
I
DOES THE COOLING FAN
DISENGAGE PROPERLY?
OPTIONS
SEE NOTE AT RIGHT.
REASON FOR QUESllON
If the power steering pump can
1 develop enough pressure to
disengage the fan, the pump
and gear are probably OK
