4R100 ECU 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 RWD 1000 16,2 8 Mercon V
Related transmission models or modifications of this transmission:
Part type (1) Expand

Technical issues and repair guidelines

Problems with this transmission start with solenoids, reaching the end of their service life, or when the valve body gets clogged together with valves, transmitting the pressure in line. It leads to the burning of friction components or even drums.Filters for both modifications 4R100\ E4OD are the same and differ by high scoop.The kit of frictions gets fully replaced in case of burnt ATF.

In addtion to spare parts with rubber covered pistons, a typical repair order includes the brake band Intermediate (Direct, High/ Reverse). Seals of the pump and the input shaft are replaced in the course of repair of old cars.

Then transmission specialists usually deal with the following components:

- the drum Intermediate/ Overdrive Clutch

- Separator of the overrunning clutch Sprag, (INTERM).

- solenoids are replaced as a whole block.