Camshaft Bearing Removal: Notes

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 33049 Camshaft Bearing Service Set

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: Removing Camshaft Bearings
Courtesy of GENERAL MOTORS CORP.
Select the expanding driver (4-8) and washer (2 or 3) from the J 33049 .
Assemble the tool.
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.

Fig 2: Pushing Guide Cone Into Front Camshaft Bearing
Courtesy of GENERAL MOTORS CORP.
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 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.