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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical 3.4L V6 - VIN (E) >> Overhaul >> Cylinder Block Assembly >> Crankshaft Flange Runout

Crankshaft Flange Runout

  1. With engine removed and crankshaft installed, or with crankshaft mounted on "V" blocks, measure crankshaft flange runout. Mount dial indicator, and place dial indicator stem on crankshaft flange. Adjust dial indicator to zero.
  2. Mark reference point on crankshaft flange. Ensure crankshaft is thrust forward so end float will not affect readings. Turn crankshaft 360 degrees.
  3. Observe and record readings. Reading should not vary more than .0016" (.041 mm). If readings exceed specification, replace crankshaft.
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