Flywheel - Flexplate
Flywheel-Flex Plate Mounting Flange (Block Cutaway) Step 2 - The flywheel is made of a sturdier design to accommodate the clutch assembly which is used in manual transmission applications.
Flywheel w/Clutch Step 3 - Hybrid vehicles with automatic transmissions are fitted with a flywheel which is designed to couple the transmission to the crankshaft.
Starter Motor Helpful Information A flex plate or flywheel is designed with a ring gear on the outer edge which is used by the starter. These units also have the ability to help balance the engine while in operation. A flex plate can fail by forming a crack in the main web of the unit which is accompanied by a chipping or ticking that changes with RPM and engine load. Standard transmission vehicles utilizes the extra spinning weight a flywheel to help smooth shifting characteristics. A flywheel provides the friction surface for the clutch assembly, this surface along with the clutch pressure plate creates the engagement platform of the clutch.