For 1990-2009 cars only
Valve Rocker Arm Installation - Left Side LY7/LP1
- Apply a liberal amount of lubricant GM P/N 12345501 (Canadian P/N 992704) or equivalent to the pivot pocket (1), roller (2) and valve slot (3) areas of the camshaft followers.
- Place the camshaft followers in position on the valve tip and stationary hydraulic lash adjuster (SHLA).
- The rounded head end of the follower goes on the SHLA while the flat end goes on the valve tip.
- Clean the camshaft journals and carriers with a clean, lint-free cloth.
Important: The follower must be positioned squarely on the valve tip so that the full width of the roller will completely contact the camshaft lobe. If the followers are being reused you must put them back in their original location.
Valve Rocker Arm Installation - Left Side LLT
- Apply a liberal amount of lubricant GM P/N 12345501 (Canadian P/N 992704) or equivalent to the pivot pocket (1), roller (2) and valve slot (3) areas of the camshaft followers.
- Place the camshaft followers in position on the valve tip and stationary hydraulic lash adjuster (SHLA).
- The rounded head end of the follower goes on the SHLA while the flat end goes on the valve tip.
- Clean the camshaft journals and carriers with a clean, lint-free cloth.
Important: The follower must be positioned squarely on the valve tip so that the full width of the roller will completely contact the camshaft lobe. If the followers are being reused you must put them back in their original location.
