LEMON Manuals: Even more car manuals for everyone
Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 84 (Charging System - General Information -- F250-F550 Super Duty) >> Diagnosis And Testing >> Charging System - Single Generator >> Pinpoint Tests >> Pinpoint Test G: The Generator Is Noisy

Pinpoint Test G: The Generator Is Noisy

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. G1 CHECK FOR ACCESSORY DRIVE BELT NOISE AND LOOSE MOUNTING BRACKETS 
    • Key in OFF position.
    • Check the accessory drive belt for damage and correct installation. Refer to ACCESSORY DRIVE .
    • Check the accessory mounting brackets and generator pulley for looseness or misalignment.
    • Is the accessory drive OK? 
    • Yes  : GO to G2.
    • No  : REPAIR as necessary. TEST the system for normal operation.
  2. G2 CHECK THE GENERATOR FOR EXCESSIVE ELECTRICAL NOISE 
    • Disconnect: Generator C102c.
    • Key in START position.
    • With the engine running, determine if the generator is still noisy.
    • Is the noise still present? 
    • Yes  : GO to G3.
    • No  : INSTALL a new generator. REFER to GENERATOR AND REGULATOR . TEST the system for normal operation.
  3. G3 CHECK THE GENERATOR FOR MECHANICAL NOISE 
    • Turn all accessories off. With the engine running, use a stethoscope or equivalent listening device to probe the generator for unusual mechanical noise.
    • Is the generator the noise source? 
scientia non olet · About LEMON Manuals