Tools Required

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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.
Repair or replace the components as required.

Fig 1: Camshaft Bearings
Courtesy of GENERAL MOTORS CORP.
Select the expanding driver (4-8) and washer (2 or 3) from the J 33049 . Refer to Camshaft Bearing Removal .
Assemble the tool.

Fig 2: J 33049 (Camshaft Bearing Service Set) Components
Courtesy of GENERAL MOTORS CORP.
Insert the tool through the front of the engine block and into the bearing.
Tighten the expander assembly nut until snug.
Push the guide cone 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 in the rear camshaft bearing bore.
Repeat the above procedures to remove the remaining bearings.

Fig 3: J 33049
Courtesy of GENERAL MOTORS CORP.