GM Service Manual Online
For 1990-2009 cars only

    Object Number: 5265  Size: SH
  1. Clean the crankshaft in solvent.
  2. Dry the crankshaft with compressed air.
  3. Measure the crankpins for out-of-round, taper, or undersize with a micrometer. Refer to Engine Mechanical Specifications .
  4. Support the crankshaft front and rear journals on V-blocks.
  5. Measure the crankshaft run-out at the front and rear intermediate journals with a dial indicator. Refer to Engine Mechanical Specifications .
  6. Replace or recondition the crankshaft if measurements are not within specifications.