Components and System

Transmission Component and System Description
The mechanical components of the 4L60-E are as follows:
^ Torque converter assembly
^ Servo assembly and 2-4 band assembly
^ Reverse input clutch and housing
^ Overrun clutch
^ Forward clutch
^ 3-4 clutch
^ Forward sprag clutch assembly
^ Lo and reverse roller clutch assembly
^ Lo and reverse clutch assembly
^ Two planetary gear sets: Input and Reaction
^ Oil pump assembly
^ Control valve body assembly
The electrical components of the 4L60-E are as follows:
^ 1-2 and 2-3 shift solenoid valves
^ 3-2 shift solenoid valve assembly
^ Transmission pressure control (PC) solenoid
^ Torque converter clutch (TCC) solenoid valve
^ TCC pulse width modulation (PWM) solenoid valve
^ Automatic transmission fluid pressure (TFP) manual valve position switch
^ Automatic transmission fluid temperature (TFT) sensor
^ Vehicle speed sensor assembly