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4T40E Transmission parts

Transmission general data

Number of gears Transmission Type Drive Torque (Nm) ATF (full capacity) L ATF (change) L ATF type (recommended)
4 AT FWD 230 11,7 6,5 Dexron VI

The 4-speed automatic transmission 4T40E, 4T45E rarely appears in repair services. It has been used since 1995 on FWD American (and Korean) GM vehicles with engines up to 2 liters. In terms of design, this transmission is related to the 3T40, their spare parts are interchangeable.

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

Related transmission models or modifications of this transmission:

Which cars run with this gearbox? CLICK

Technical issues and repair guidelines

The repair of the 4Т40 transmission often lies in change of ATF, and replacement of filter and spare parts. The oil of any type (from Dexron III to Dexron VI) may be used for the 4Т40 transmission.

The torque converter is a soft spot in almost all American automatic transmissions and requires replacement of spare parts quite early. Driving with worn torque converter may lead to vibrations, rapid ATF contamination and issues with the seal and bushing of the torque converter located immediately near the input. If this problem stays neglected, then it is required to change the torque converter bushing and the whole kit of bushings.The problem of burnt ATF is solved by replacement of all friction elements and the brake band.

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