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Pinpoint Test B: Unusual Starter Noise

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
  1. B1 CHECK THE STARTER MOUNTING 
    • Inspect the starter mounting bolts and brackets for looseness.
    • Is the starter motor mounted correctly? 
    1. YES  : Go to  B2.
    2. NO  : INSTALL the starter motor correctly. REFER to Starter Motor - 4.0L SOHC , Starter Motor - 4.6L (3V)  or Starter Motor - 5.4L (4V) . TEST the system for normal operation.
  2. B2 CHECK FOR ENGINE NOISE 
    • Key in OFF position.
      • Fig 1: Inspecting Starter Motor
      GF0000678Courtesy of FORD MOTOR CO.
    • Connect a remote starter switch between the starter solenoid B and S terminals.
    • Engage the starter motor and verify the noise is due to the starter operation.
    • Is the noise due to the starter motor engagement? 
    1. YES  : Go to  B3.
    2. NO  : REFER to ENGINE SYSTEM - GENERAL INFORMATION article to continue diagnosis.
  3. B3 CHECK FOR UNUSUAL WEAR 
    1. YES  : INSTALL a new flywheel/flexplate ring gear. REFER to ENGINE - 4.0L SOHC article, ENGINE - 4.6L (3V) article or ENGINE - 5.4L (4V) article. EXAMINE the starter pinion teeth. If damaged, INSTALL a new starter motor. REFER to Starter Motor - 4.0L SOHC , Starter Motor - 4.6L (3V)  or Starter Motor - 5.4L (4V)  TEST the system for normal operation.
    2. NO  : INSTALL a new starter motor. REFER to Starter Motor - 4.0L SOHC , Starter Motor - 4.6L (3V)  or Starter Motor - 5.4L (4V)  TEST the system for normal operation.
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