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Home >> Buick >> 1994 >> LeSabre Custom >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L V6 VIN L & 3.8L Supercharged V6 VIN 1 >> Overhaul >> Cylinder Block Assembly >> Cylinder Block Flange Runout

Cylinder Block Flange Runout

  1. With engine removed and crankshaft installed, measure cylinder block flange runout. Mount dial indicator gauge plate flat against crankshaft flange. Place dial indicator stem on lower left transmission bolt boss (flat area around bolt hole). Adjust dial indicator to zero.
  2. Observe and record readings obtained on all bolt hole bosses. Measurements should not vary more than .010" (.25 mm). If readings exceed specification, check crankshaft flange runout. See CRANKSHAFT FLANGE RUNOUT under CYLINDER BLOCK ASSEMBLY.
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