GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 TopKick C-Series (Conventional) C4/C5 🢒 Engine 🢒 Engine Mechanical - 7.8L 🢒 Crankshaft and Bearing Removal
  1. Loosen the lower crankcase body bolts (marked M14) evenly.
  2. Loosen the lower crankcase bolts (marked M10) evenly from the outer bolts to the inner bolts.
  3. Remove the crankshaft from the lower crankcase cylinder block.
  4. Remove the crankshaft main bearings and thrust washers from the lower crankcase.