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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Manual Transmission & Clutch - General Information) >> Diagnostic Tests >> Manual Transmission and Clutch >> Pinpoint Tests >> Pinpoint Test B: Clutch Chatter or Shudder >> Pinpoint Test B: Clutch Chatter Or Shudder

Pinpoint Test B: Clutch Chatter Or Shudder

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 ENGINE OR TRANSMISSION MOUNTS 
    • Inspect all the engine and transmission mounts for loose fasteners or damage.
    • Are any of the engine or transmission mounts loose or damaged? 
    1. YES  : TIGHTEN or INSTALL new engine mounts or transmission mounts as necessary. TEST the system for normal operation.
    2. NO  : Go to  B2.
  2. B2 INSPECT THE PRESSURE PLATE BOLTS 
    • Inspect the pressure plate-to-flywheel bolts.
    • Are any of the pressure plate-to-flywheel bolts loose? 
    1. YES  : TIGHTEN or INSTALL new bolts as necessary. REFER to CLUTCH . TEST the system for normal operation.
    2. NO  : Go to  B3.
  3. B3 INSPECT THE PRESSURE PLATE 
    • Remove the clutch pressure plate. Refer to CLUTCH .
    • Inspect the clutch pressure plate. Refer to Clutch Pressure Plate Check .
    • Are any signs of damage present on the clutch pressure plate? 
    1. YES  : INSTALL a new clutch pressure plate. REFER to CLUTCH . TEST the system for normal operation.
    2. NO  : Go to  B4.
  4. B4 CHECK THE CLUTCH DISC 
    1. YES  : Go to  B5.
    2. NO  : INSTALL a new clutch disc. REFER to CLUTCH . TEST the system for normal operation.
  5. B5 INSPECT THE FLYWHEEL 
    1. YES  : Go to  B6.
    2. NO  : REPAIR or INSTALL a new flywheel as necessary. Refer to the appropriate Engine for the procedure. TEST the system for normal operation.
  6. B6 INSPECT THE PILOT BEARING 
    • Inspect the pilot bearing for wear or damage.
    • Are there signs of wear or damage? 
    1. YES  : INSTALL a new pilot bearing. REFER to CLUTCH .
    2. NO  : Go to  B7.
  7. B7 INSPECT THE INPUT SHAFT 
    • Inspect the input shaft for signs of wear or damage.
    • Are any signs of wear or damage present on the input shaft? 
    1. YES  : INSTALL a new input shaft.
    2. NO  : VERIFY the customer concerns. Go to Symptom Chart  if necessary.
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