GM Service Manual Online
For 1990-2009 cars only

    Object Number: 412435  Size: SH
  1. Remove the crankshaft position sensor.
  2. Inspect the crankshaft position sensor for damage and replace, if necessary.
  3. Remove the bedplate perimeter bolts.
  4. Important: Do not forget the 2 outside rear bolts.

  5. Remove and discard the crankshaft bearing bolts.
  6. Using the pry-points and an appropriate prying tool, gently separate the upper and lower crankcase.

    Object Number: 412435  Size: SH
  1. Remove the crankshaft position sensor. Inspect the position sensor for damage. Replace if necessary.
  2. Remove the bedplate perimeter bolts.
  3. Remove and discard the crankshaft bearing bolts.
  4. Using the pry-points and an appropriate prying tool, gently separate the upper and lower crankcase.