Drive Chain Assembly

Drive Chain Assembly

Drive Chain and Sprockets
A chain drive transfers torque from the torque converter turbine to the planetary gearsets. The chain drive is composed of the following components:
^ Reverse/overdrive ring gear assembly which acts as a drive sprocket.
^ Driven sprocket.
^ Drive chain.
The drive chain connects the reverse/overdrive sun gear with the driven sprocket. The final drive sun gear located on top of the driven sprocket meshes with the final drive gearset.

The final drive consists of a planetary gearset that transfers and multiplies torque from the planetary gearsets to the differential. The final drive consists of the following components:
^ Final drive sun gear: is chain driven by the reverse/overdrive ring gear assembly and transfers torque to the final drive carrier.
^ Final drive carrier: the final drive carrier acts as the driven member and is part of the differential case.
^ Final drive ring gear: is held by the converter housing and is always the held member of the final drive planetary gearset.