Crankshaft and Bearing Removal

Remove the crankshaft position sensor bolt (3).

Fig 1: Crankshaft Position Sensor, Bolt And Seal Ring
Courtesy of GENERAL MOTORS COMPANY
Remove the crankshaft position sensor (1) and the crankshaft position sensor seal ring (2).
Remove and DISCARD the 12 outer crankshaft bearing cap tie plate bolts (1).

Fig 2: Outer Crankshaft Bearing Cap Tie Plate Bolts
Courtesy of GENERAL MOTORS COMPANY
Loosen the 10 inner crankshaft bearing cap tie plate bolts in a sequence as shown.

Fig 3: Inner Crankshaft Bearing Cap Tie Plate Bolts Loosening Sequence
Courtesy of GENERAL MOTORS COMPANY
Remove and DISCARD the 10 crankshaft bearing cap tie plate bolts (1)

Fig 4: Crankshaft Bearing Cap Tie Plate, Bolts, Lower Crankshaft Bearings, Lower Crankshaft Thrust Bearing And Crankshaft Rear Oil Seal
Courtesy of GENERAL MOTORS COMPANY

Remove the crankshaft bearing cap tie plate (2).
Remove the 4 lower crankshaft bearings (3) an the lower crankshaft thrust bearing (4).
Remove the crankshaft rear oil seal (5).
Remove the crankshaft (1), the 4 upper crankshaft bearings (2) and the upper crankshaft thrust bearing (3).

Fig 5: Crankshaft, Upper Crankshaft Bearings And Upper Crankshaft Thrust Bearing
Courtesy of GENERAL MOTORS COMPANY
Remove the 3 bolts (2) and the crankshaft position sensor reluctor ring (1).

Fig 6: Crankshaft Position Sensor Reluctor Ring And Bolts
Courtesy of GENERAL MOTORS COMPANY