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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 932 (Noise, Vibration And Harshness -- F250-F550 Super Duty) >> Diagnostic Tests >> Noise, Vibration and Harshness (NVH) >> Pinpoint Tests >> Pinpoint Test C: Accessory Drive Bearing Hoot

Pinpoint Test C: Accessory Drive Bearing Hoot

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. C1 CHECK THE ACCESSORY DRIVE IDLER AND TENSIONER PULLEY BEARINGS 
    • Carry out the Vehicle Cold Soak Procedure in this article.
    • 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. CARRY OUT the Vehicle Cold Soak Procedure and TEST the system for normal operation.
    2. NO  : CONDUCT a diagnosis on other suspect accessory drive components.
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