Symptom Chart
WARNING: This page is about a different car, the 2009 Ford RV Cutaway, 2009 Ford Econoline, 2009 Ford E450 Super Duty, and 2009 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART
| Condition |
Possible Sources |
Action |
|
|
- Coolant hoses or tubes
- Hose clamps
- Coolant pump O-ring seal or gasket
- Thermostat O-ring seal or gasket
- Thermostat housing
- Radiator
- Transmission fluid cooler (in radiator) (may leak internally or externally)
- Degas bottle
- Pressure relief cap
- Coolant pump leaking from weep hole
- Auxiliary coolant pump (if equipped)
- Heater core
- Coolant crossover manifold assembly (if equipped)
- Engine gaskets (may leak internally or externally)
- Oil cooler (if equipped) (may leak internally or externally)
- Heated Throttle Body (TB) or heated TB adapter (if equipped)
- Heated PCV (if equipped)
- Cylinder block core plugs (if equipped)
- Cylinder head core plugs (if equipped)
- Block heater (if equipped)
- EGR cooler(s) (diesel only)
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- Low coolant level
- External engine coolant leak
- Airlock in system
- Pressure relief cap installation
- Restricted airflow through the Charge Air Cooler (CAC) (diesel only), A/C condenser or radiator
- Internal engine coolant leak
- Coolant condition/concentration
- Accessory drive components
- Non-OEM engine enhancement components
- Cooling fan
- Cooling fan clutch
- Radiator
- Thermostat
- Engine Coolant Temperature (ECT) indicator system (gauge)
- ECT
sensor (if equipped)
- Cylinder Head Temperature (CHT) sensor (if equipped)
- Heater core
- Coolant pump
- Coolant flow restriction
- Engine oil in engine coolant
|
|
- The engine does not reach normal operating temperature
|
- Low coolant level
- Thermostat
- Mechanical fan clutch always engaged
- Electronically actuated fan clutch
- ECT
indicator system (gauge)
- ECT
sensor (if equipped)
- CHT
sensor (if equipped)
|
|
- The block heater does not operate correctly
|
|
- CHECK continuity in all 3 power cable circuits. If any circuit measures greater than 5 ohms, INSTALL a new power cable.
|
|
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- CHECK the resistance of the block heater. If the resistance does not measure between 12.5 and 17.0 ohms, INSTALL a new block heater.
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- The electronically controlled fan clutch does not operate correctly
|
- Wiring
- Relays
- Fuses
- Fan control module
- Cooling fan motor(s)
- Cooling fan resistor(s)
- Electric fan clutch
|
|
- Noisy mechanical fan operation (if equipped)
|
|
- CARRY OUT the Fan Clutch Test - Minimum Speed Requirement component test.
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