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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 517 (Noise, Vibration & Harshness) >> Diagnosis And Testing >> Noise, Vibration And Harshness (NVH) >> Pinpoint Tests >> Pinpoint Test E: Engine Driven Cooling Fan Moan

Pinpoint Test E: Engine Driven Cooling Fan Moan

WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE ENGINE DRIVEN COOLING FAN AFTER A COLD SOAK 
    • Carry out VEHICLE COLD SOAK PROCEDURE .
    • Key in START position.
    • Assess the airflow.
    • Raise the engine speed to 1500 rpm while listening for the moan to increase in proportion to the airflow.
    • Key in OFF position.
    • Does the moan increase in proportion to the airflow? 

    Yes 

    TEST the fan for normal operation. If the fan tests normal, GO to E2. Otherwise, REPAIR as necessary.

    No 

    Normal system operation.

  2. E2 CHECK THE ENGINE DRIVEN COOLING FAN AT NORMAL OPERATING TEMPERATURE 
    • Key in START position.
    • Run the engine to normal operating temperature while listening for the moan to stop.
    • Key in OFF position.
    • Does the moan stop? 

    Yes 

    Normal clutch operation.

    No 

    INSTALL a new fan clutch. TEST the system for normal operation.

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