Camshaft Bearing Removal: Notes

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Tools Required

J 33049 Camshaft Bearing Remover/Installer

IMPORTANT: A loose camshaft bearing may be caused by an enlarged, out of round or damaged engine block bearing bore.

Prior to bearing removal, inspect the camshaft bearings for loose fit in the engine block bearing bores.
Refer to Camshaft and Bearings Cleaning and Inspection .
Repair or replace the components as required.

Fig 1: Camshaft Bearings & Engine Block
Courtesy of GENERAL MOTORS CORP.
Select the expanding driver (4-8) and washer (2 or 3) from the tool usage information.
Assemble the tool.

Fig 2: Expanding Driver Tool Components
Courtesy of GENERAL MOTORS CORP.
Insert the tool through the front of the engine block and into the bearing.
Tighten the expander assembly (15) nut until snug.
Push the guide cone (1) into the front camshaft bearing to align the tool.
Drive the bearing from the block bore.
IMPORTANT: To remove the front camshaft bearing, operate the tool from the rear of the block using the guide cone (1) in the rear camshaft bearing bore.
Repeat the above procedures to remove the remaining bearings.

Fig 3: Driving Bearing From Block Bore
Courtesy of GENERAL MOTORS CORP.