Overhaul & Testing - 125C/3T40: Description

Transaxle consists of a torque converter, automatic 3-speed transmission, final drive gear and differential. The 4-element torque converter couples the engine crankshaft to the planetary gear set through a sprocket and drive link assembly. See Fig 1 .

Fig 1: Exploded View of Transaxle Case & Related Components

Courtesy of GENERAL MOTORS CORP.

NOTE: For information on converter clutch system used in the THM 3T40 transaxle, see GM TORQUE CONVERTER CLUTCH article.