4T80E Transmission parts, repair guidelines, problems, manuals

Transmission general data

Number of gears Transmission Type Drive Torque (Nm) ATF (full capacity) L ATF (change) L ATF type
4 AT FWD 450 14,2 6,6 Dexron VI


The 4-speed automatic transmission 4T80E was designed in 1993 together with 4.6 liter engine V8 Northstar for FWD Cadillac models. In 2004, this heavy and high-priced transmission was significantly updated and installed with the same engine on Buicks and Oldsmobiles.

What are you looking for?

Overhaul Kit | Friction Kit | Friction | Steel Plate | Steel Kit | Band | Solenoid Kit | Solenoid EPC | Solenoid TCC | Pump | Shaft | Drum | Valve body | Torque converter | Hub | Piston | Piston Kit | Planetary Gear | Filter | Gasket | Bushing | Seal | Bearing | Pressure Plate | Stator | Differential | Retainer | Inhibitor Switch | Instruction manual | TOOLS & ACCESORIES | Sensor

Which cars run with this gearbox?

Part type Expand

Technical issues and repair guidelines

The owner of this rare transmission usually order only a 3-component filter. The overhaul generally consists in the valve body cleaning, the torque converter repair and gaskets replacement.