Transmission Component and System Description
WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The mechanical components of this unit are as follows:
- A torque converter with a torque converter clutch (TCC)
- A gear type oil pump
- Five multiple disk clutches
- Two band assemblies
- Three planetary gear sets
- One sprag clutch
- Two roller clutches
- A control valve body assembly
The electrical components of this unit are as follows:
- Two shift solenoid valves, 1-2 and 2-3
- A torque converter clutch (TCC) solenoid valve
- A transmission pressure control (PC) solenoid valve
- An automatic transmission fluid temperature (TFT) sensor
- An automatic transmission fluid pressure (TFP) manual valve position switch assembly
- An output speed sensor (OSS)
- An input speed sensor (ISS)
For more information refer to ELECTRONIC COMPONENT DESCRIPTION .