Removal Procedure
- Remove the engine flywheel. Refer to 
Engine Flywheel Replacement 
.
 
- Remove the camshaft rear bearing hole plug.
 
Installation Procedure
- Coat the camshaft rear bearing hole plug with sealer. Use sealer GM
P/N 12345493 or equivalent.
 
- Use the appropriate tool in order to install the camshaft rear
bearing hole plug.
 
- Ensure that the camshaft
rear bearing plug is installed to specifications.
 
- Install the engine flywheel. Refer to 
Engine Flywheel Replacement 
.