For 1990-2009 cars

### Removal Procedure

1. Remove the engine flywheel. Refer to Engine Flywheel Replacement .
2. Remove the camshaft rear bearing hole plug.

### Installation Procedure

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