Transmission Component and System Description

Transmission Component and System Description

The mechanical components of this unit are as follows:

* A torque converter with a torque converter clutch (TCC)
* A drive link assembly
* 4th and Lo/Reverse band assemblies
* Forward, coast, 2nd and 3rd multiple disc clutches
* Two planetary gear sets
* Two sprag clutches, Forward and 2nd
* One roller clutch, Lo
* Three fluid pumps
* Two control valve assemblies
* A final drive assembly with a bolted on case extension


The electrical components of this unit are as follows:

* Two shift solenoid valves, 1-2 and 2-3
* A torque converter clutch pulse width modulated (TCC PWM) solenoid valve
* A transmission pressure control (PC) solenoid valve
* An automatic transmission fluid temperature (TFT) sensor
* Two speed sensors: input and vehicle speed sensor
* An automatic transmission internal mode switch (IMS)
* An automatic transmission wiring harness
* An automatic transmission wiring extension harness


Refer to Electronic Component Description (Electronic Component Description) .