The hydraulic system of an automatic transmission serves four basic purposes: 1. Actuates clutches and…

An overrunning clutch is used in automatic transmissions to lock a planetary gearset to the…

Automatic transmission clutches and bands are friction devices that drive or lock planetary gearsets members.…

A planetary gearset consists of three members--sun gear, ring gear, and planetary carrier, which hold…

The torque converter is a fluid clutch that performs the same basic function as a…

The automatic transmission, like the manual transmission, is designed to match the load requirements of…

Because of the variations in construction of transmissions, always refer to the manufacturer’s service manual…

Transmissions are designed to last for the life of the vehicle when lubricated and operated…

The auxiliary transmission is used to provide additional gear ratios in the power train (Figure…

Modern manual transmissions are divided into two major categories: • Constant mesh • Synchromesh Constant…