Crankshaft end play is the axial movement of the crankshaft within the engine block. It is important to check crankshaft end play because excessive end play can cause the crankshaft to move too far in one direction, which can damage the crankshaft, the bearings, and the engine block. Checking crankshaft end play is a relatively simple procedure that can be performed with a few basic tools.
To check crankshaft end play, you will need: