Transmission Component and System Description

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

The mechanical components of the 10-Speed RWD are as follows:

Torque Converter
Vairable Vane-Type Fluid Pump Assembly
1-2-3-4-5-6-Reverse Clutch
1-2-8-9-10-Reverse Clutch
2-3-4-5-7-9-10 Clutch
1-2-3-4-6-7-8-10-Reverse Clutch
1-3-5-6-7-8-9 Clutch
4-5-6-7-8-9-10-Reverse Clutch
Low Clutch Roller
Reaction Internal Gear
Reaction Carrier
Reaction Sun Gear Assembly
Automatic Transmission Input Shaft Speed Sensor Reluctor Wheel
Input Sun Gear
Input Carrier Assembly
Direct Overdrive Sun Gear Shaft
Direct Overdrive Carrier
Direct Overdrive Sun Gear
Output Carrier Internal Gear
Output Carrier Assembly
Output Shaft
Control Valve Body Assembly

The electrical components of the 10-Speed RWD are as follows:

Automatic Transmission Turbine Speed Sensor
Automatic Transmission Intermediate Speed Sensor[2x]
Automatic Transmission Output Speed Sensor
Manual Shift Shaft Position Switch
Control Solenoid Valve Body, which contains the following components:
- 6 Transmission Control Solenoids
- Torque Converter Clutch Solenoid Valve
- Line Pressure Control Solenoid Valve