Section 3 (Overhaul - THM 400): Description
WARNING: This page does not describe the selected car, but rather 124 other vehicles, including the 1991 Chevrolet Pickup, 1991 Chevrolet Cab & Chassis, 1988 GMC Vandura Special, 1988 GMC Vandura, and 1988 GMC Value Van. However, it is still accessible from the selected car via links, so may be relevant.
Transmission consists of a 3-element torque converter and compound planetary gear set. Three multiple disc clutches, 2 roller clutches, and 2 bands provide friction elements necessary to control functions of planetary gear set.