Transmission Component and System Description. Buick GL7 (Export) 2000

For 1990-2009 cars

The mechanical components of this unit are as follows:

• | A torque converter with an Electronically Controlled Capacity Clutch (ECCC)

• | A drive link assembly

• | 4 multiple disk clutch assemblies: Input, Second, Third and Fourth

• | 3 friction bands: Forward band, 2/1 band and Reverse band

• | 2 planetary gear sets: Input and Reaction

• | 3 one-way clutches: a roller clutch (1-2 support) and 2 sprag clutches (Third and Input)

• | A final drive and differential assembly

• | A control valve assembly

• | A vane type oil pump

The electrical components of this unit are as follows:

• | 2 shift solenoid valves

• | A torque converter clutch pulse width modulation (TCC PWM) solenoid valve

• | A pressure control (PC) solenoid valve

• | An automatic transmission fluid temperature (TFT) sensor

• | 2 speed sensors: input shaft and vehicle speed sensors

• | An automatic transmission fluid pressure (TFP) manual valve position switch

• | Either an Internal Mode Switch or an exterior-mounted Transmission Range Switch. See the data referenced by the Scan Tool or refer to Automatic Transmission Electronic Component Views .

• | An automatic transmission (A/T) wiring harness assembly

For more information, refer to Electronic Component Description .