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4T80-E | |
---|---|
Overview | |
Manufacturer | General Motors |
Production | 1993–2011 |
Body and chassis | |
Class | 4-speed transverse automatic transmission |
Chronology | |
Predecessor | Turbo-Hydramatic 125 |
Successor | 6T70 |
The 4T80E is a series of front wheel drive fully automatic transmissions from General Motors. Designed for transverse engine configurations, the series includes 4 gear bearing overdrive [1][2] 2 electronic shift solenoids, and electronic force motor to control line pressure.[3]
The 4Txx family is an evolution of the original Turbo-Hydramatic 125 transverse automatic introduced in the 1980 model year "X" body.
The 4T80-E transmission is electronically controlled and features an automatic overdrive transaxle with an electronically controlled torque converter clutch. The 4T80 originally used a viscous clutch, but this was changed in 2005 to ECCC.[1][4][2][3]
The 4T80 is built at Willow Run Transmission in Ypsilanti, Michigan.