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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 1029 (Noise, Vibration And Harshness) >> Diagnostic Tests >> Noise, Vibration and Harshness (NVH) >> Pinpoint Tests >> Pinpoint Test B: Accessory Drive Bearing Hoot

Pinpoint Test B: Accessory Drive Bearing Hoot

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. B1 CHECK THE ACCESSORY DRIVE IDLER AND TENSIONER PULLEY BEARINGS 
    • Carry out the Vehicle Cold Soak Procedure.
    • Key in START position.
    • Place an EngineEAR probe directly on the pulley center post or bolt to verify which bearing is making the noise.
    • Key in OFF position.
    • Is either bearing making the noise? 
    1. YES  : INSTALL a new pulley/idler. REFER to ACCESSORY DRIVE - 2.3L article for the 2.3L engine, ACCESSORY DRIVE - 3.0L (4V) article for the 3.0L engine, or ACCESSORY DRIVE - HYBRID article for the Hybrid. CARRY OUT the Vehicle Cold Soak Procedure and TEST the system for normal operation.
    2. NO  : CONDUCT a diagnosis of other suspect accessory drive components.
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