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Flywheel Runout Check

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL CHART

G04650326
 Dial Indicator Gauge with Holding Fixture
100-002 (TOOL-4201-C) or equivalent
  1. Push the flywheel forward.
  2. Install the special tool against the flywheel face 25 mm (1 in) from the outer edge of the flywheel. Zero the dial indicator.
    Fig 1: Identifying Special Tool
    G04650327Courtesy of FORD MOTOR CO.
  3. Turn the flywheel one complete revolution while observing the total indicator runout (TIR). The flywheel TIR must not exceed the specification.
    • If the flywheel TIR does not exceed the specification, proceed to the next step in this procedure to check the ring gear runout.
    • If the flywheel TIR exceeds the specification, remove the flywheel. For additional information, refer to CLUTCH . Check for burrs between the flywheel and the crankshaft mounting flange. If burrs exist, remove them. Check the crankshaft flange runout.
      • If the crankshaft flange TIR does not exceed specification, and no burrs were found between the flywheel and the crankshaft mounting flange, install a new flywheel.
      • If the crankshaft flange TIR does not exceed specification, but burrs were removed from between the flywheel and the crankshaft mounting flange, reinstall the flywheel. For additional information, refer to CLUTCH . Recheck the flywheel runout. If the flywheel TIR exceeds the specification, install a new flywheel.
      • If the crankshaft flange TIR exceeds specification, repair as necessary. Reinstall the flywheel. For additional information, refer to CLUTCH . Recheck the flywheel runout. If the flywheel TIR exceeds the specification, install a new flywheel.
        Fig 2: Checking Flywheel Runout
        G04650328Courtesy of FORD MOTOR CO.
  4. Install the special tool against the ring gear face adjacent to the teeth. Zero the dial indicator.
    Fig 3: Identifying Special Tool On Ring Gear Face
    G04650329Courtesy of FORD MOTOR CO.
  5. Turn the flywheel one complete revolution while observing the total indicator runout (TIR). The ring gear TIR must not exceed the specification.
    • If the ring gear TIR exceeds the specification, install a new flywheel and ring gear assembly.
      Fig 4: Identifying Special Tool On Ring Gear Face
      G04650330Courtesy of FORD MOTOR CO.
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