Transmission Component and System Description

The mechanical components of the 6T70 are as follows:

• A torque converter with an electronically controlled capacity clutch (ECCC)
• Off axis chain driven vane-type fluid pump assembly
• Input sun gear and carrier assembly
• 4-5-6 and 3-5 reverse clutch assembly with turbine shaft
• Low and reverse clutch (one way clutch) assembly
• Control valve body assembly
• Front differential transfer drive gear support assembly
• Front differential transfer drive gear assembly
• Front differential carrier assembly
• Case cover assembly

The electrical components of the 6T70 are as follows:

• Output speed sensor assembly
• Input speed sensor assembly
• Manual shift shaft with internal mode switch
• Control solenoid valve assembly, which contains the following components:
  • Transmission control module (TCM)
  • 5 variable bleed line pressure control (PC) solenoids
  • Torque converter clutch (TCC) pressure control solenoid
  • 2 shift solenoids
  • Transmission fluid temperature sensor

For more information, refer to Electronic Component Description .