Tools Required

J 33049 Camshaft Bearing Removal and Installation Set

1. Remove the rear camshaft plug.



2. Remove all of the camshaft bearings using the J 33049 as follows:

2.1.	Insert the tool with the correct collet into the camshaft bearing to be replaced.

2.2.	Turn the tool until the collet has tightened in the bearing.

2.3.	Push the center cone against the block and into the first bearing bore in order to center the tool.

2.4.	Drive the bearing from the block.

2.5.	Repeat this procedure in order to remove the remaining inner camshaft bearings.

Note that the rear bearing must be removed from the front of the block and the front bearing should be removed from the rear. This enables the tool to remain centered.

Tools Required

J 33049 Camshaft Bearing Removal and Installation Set

1. The outer camshaft bearings must be installed first. These bearings serve as guides for the tool and help center the inner bearings during the installation process.
2. Ensure the correct cam bearing fits into the bore. The cam bearing bores may vary in size.



3. Install the rear camshaft bearings. Drive the bearings into place using the J 33049 from the front of the engine.

Important: Ensure that the camshaft bearing lubrication hole or holes align with the oil gallery hole or holes in the block. On some engines, the oil holes may be difficult to see. Verify that the holes are aligned.

4. Install the front camshaft bearing using the J 33049 .

Important: Ensure that the camshaft bearing lubrication hole or holes align with the oil hole or holes in the block.

5. Install the inner camshaft bearings using the J 33049 . Reverse the removal procedure.
6. Install the camshaft rear plug as follows:

6.1.	Coat a new camshaft plug with sealer GM P/N 1234593 or the equivalent.

6.2.	Install the plug. The plug must be installed deep enough in the camshaft bore.