Ford 2002 Bantam Workshop Manual page 739

303-03-138
DIAGNOSIS AND TESTING
Engine Cooling
Special Tool(s)
Pressure Tester, Cooling
System
303-396 (24-001 A)
Adapter for 303-396
303-396-01 (24-001-01 A)
Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of
mechanical or electrical damage.
Symptom Chart
Condition
• Loss of coolant
• The engine overheats
E6862 EN
Engine Cooling
Visual Inspection Chart
• Coolant leak(s)
• Radiator
• Water pump
• Thermostat
• Coolant expansion
tank
• Cooling fan
• Accessory drive belt
3. If an obvious cause for an observed or
4. If the concern is not visually evident, verify
Possible Sources
• Radiator.
• Water pump.
• Coolant expansion tank.
• Engine.
• Coolant hose(s).
• Heater core.
• Coolant level.
• System restriction.
Mechanical
• Fuse(s)
• Relay(s)
• Wiring harness
• Electrical
• Cooling fan motor
• Engine coolant
• ECT sensor
• Cooling fan motor
• Powertrain control
reported concern is found, correct the cause
(if possible) before proceeding to the next
step.
the symptom and refer to the Symptom
Chart.
• CHECK the radiator. INSTALL a
new radiator if necessary.
• CHECK the water pump.
INSTALL a new water pump if
necessary.
• CHECK the coolant expansion
tank. INSTALL a new coolant
expansion tank if necessary.
• CHECK the engine.
REFER to Section 303-00.
• CHECK the coolant hose(s).
INSTALL a new coolant hose(s)
if necessary.
• CHECK the heater core.
INSTALL a new heater core if
necessary.
• CHECK the coolant level. FILL
as necessary.
• INSPECT the system for restric-
tions. REPAIR as necessary.
303-03-138
Electrical
connector(s)
temperature (ECT)
sender unit
switch
module (PCM)
Action
07/2001 2002 Bantam