GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Engine 🢒 Engine Mechanical - 7.4L 🢒 Crankshaft and Bearing Removal

    Important: Crankshaft bearing caps are machined with the engine block for the proper clearances. Mark or identify each crankshaft bearing cap location and direction before removal. Crankshaft bearing caps must be installed in their original locations.

  1. Remove the crankshaft bearing cap bolts.
  2. Remove the crankshaft bearing caps.

    3. Object Number: 351781 Size: SH
  3. Remove the crankshaft lower bearings (1-3) from the crankshaft bearing caps.

    4. Object Number: 351779 Size: SH
  4. Remove the crankshaft.

    5. Object Number: 351777 Size: SH

    Notice: Do not shim, scrape, or file bearing inserts. Do not touch the bearing surface of the insert with bare fingers. Skin oil and acids will etch the bearing surface.

  5. Remove the crankshaft upper bearings (1-3) from the engine block.

    6. Object Number: 351825 Size: SH
  6. Remove the crankshaft bearing cap oil seal.