– Remove timing gear cover. (See Remove and Install Timing Gear Cover in Section 20, Group 05.)
Fasten dial indicator base to cylinder block and position indicator tip on end of camshaft.
 – Push camshaft toward the rear as far as possible.
 – Zero the dial indicator.
 – Pull camshaft forward as far as possible. If camshaft end play exceeds specification, remove camshaft and replace thrust plate.