Symptom Chart
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART
| Condition |
Possible Sources |
Action |
|
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- Radiator.
- Thermostat housing assembly.
- Auxiliary coolant pump.
- Coolant control valve.
- Oil cooler.
- PCV heater system.
- Throttle body adapter heating.
- Coolant pump seal.
- Radiator hoses.
- Heater hoses.
- Heater core.
- Engine gaskets.
- Degas bottle.
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|
|
|
- Thermostat.
- Airlock in the system.
- Coolant pump.
- Internal engine coolant leak.
- Radiator.
- Radiator airflow obstruction.
- Cooling fan.
- Cooling fan wiring.
- Pressure relief cap.
|
|
- The engine does not reach normal operating temperature
|
|
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- The block heater does not operate correctly
|
- Block heater power cable.
- Block heater.
|
- DISCONNECT the power cable from the heater.
- CHECK the resistance in all three power cable circuits. If the resistance is greater than 5 ohms in any circuit, INSTALL a new power cable. If the resistance is less than 5 ohms in all three circuits, INSTALL a new block heater.
|
- Noisy cooling fan operation
|
- Foreign particle contamination.
|
NOTE:
Make sure key is in the off position and the cooling fan has stopped rotating before servicing.
- Remove the contaminants from the cooling fan and shroud. CHECK for normal operation.
|
- The electric cooling fan is inoperative
|
- Circuitry.
- Cooling fan motor.
|
- REFER to the INTRODUCTION
article to diagnose the cooling fan system.
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- The electric cooling fan stays on all the time
|
- Circuitry.
- A/C system fault.
|
- REFER to the INTRODUCTION
article to diagnose the cooling fan system.
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