TM
COOLING SYSTEM
KNOWN INFO
TEMPERATURE
GAUGE Ok
TEMPERATURE
SENDER
OK
POSSIBLE
PROBLEMS
ENGINE COOLING
SYSTEM
OIL COOLING SYSTEMS
SERPENTINE
BELT
FAN CLUTCWTIMER
L
S
F
1
I
KNOWN INFO
;ERPENTINE BELT OK
AN CLUTCH/TIMER
OK
EMPERATURE
GAUGE
AND SENDER OK
POSSIBLE
PROBLEMS
ENGINE COOLING
SYSTEM
OIL COOLING SYSTEMS
,
.
J
DOES THE FAN TURN ON WHEN
THE ENGINE TEMPERATURE
GAUGE READS ABOVE 220°F
(104%)?
DIAGNOSTIC FLOWCHART
t
5
I
Ir
REASON FOR QUESTtON
The fan clutch should
turn the fan on when the
I
temperature is above 220°F
(104%).
INSPECT ALL HOSES: THE
RADIATOR, THERMOSTAT
HOUSING, AND THE OIL COOLER.
IS THE VEHICLE FREE OF ANY
EVIDENCE OF LEAKING FLUIDS?
r OPTIONS
LOOK.
REASON FOR QUESTlON
The vehicle should not
leak fluids.
2-64