Crankshaft Removal

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Remove the crankshaft bearing cap side bolts (1 and 2).
Remove the crankshaft bearing cap outer bolts (3).
Remove the crankshaft bearing cap inner bolts (4).
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Mark the crankshaft bearing caps (1) to ensure they go back into same location.
Remove the crankshaft bearing caps (1) using the EN-6125-1B Slide Hammer Adapter (2) and EN-49102 Crankshaft Bearing Cap Remover (3).
Courtesy of GENERAL MOTORS COMPANY

Using two hands, lift the crankshaft (1) straight up from the engine block.
Place the crankshaft in a secure place.
Courtesy of GENERAL MOTORS COMPANY

Remove the crankshaft key (1) from the nose of the crankshaft, if damaged.