AD4 Transmission parts, repair guidelines, problems, manuals
Transmission general data

The automatic transmission AD-4, AD-8 is a French modification of the 01M (01P) unit. The AD-4 is intended for engines up to 2 liters and may be installed on FWD Laguna, Megan and Clio from Renault. The AD-8 modification was released a bit earlier for Safrane and Espace with 3 liter engines V6 produced in 1989-1998. Both transmissions are quite reliable and rarely met in repair services. Friction components for AD-4 are interchangeable with parts for the 01M.
| Number of gears | Transmission Type | Drive | Torque (Nm) | ATF (full capacity) L | ATF (change) L | ATF type |
|---|---|---|---|---|---|---|
| 4 | AT | FWD | 5,7 | 3,5-4 | Dexron III |
Technical issues and repair guidelines
Overhauls ofd this automatic transmission consist of the reassembly and cleaning of the transmission with replacement of seals and gaskets. Sometimes specialists replace friction componeand solenoids.
Specialists order the following for repair procedures:
- individual filter for AD-4 Megan
- individual filter for AD-4 Clio and Scenic
- filter AD-8
- repair kits of gaskets and seals, AD-4 frictions, which are interchangeable with parts for German transmission. Frictions for AD-8 are selected separately taking into account size and quantity:
- Kit of pistons AD4\AD8 consisting of 5 pieces.
This transmission is quite simple and repairable, after a proper repair it operates for a long period of time.
Which cars run with this gearbox?
| Brand | Model | Year | Type | Engine |
|---|---|---|---|---|
| Renault | MEGANE | 0 | 4 SP FWD | L4 1.6L |
Instruction manuals and useful links
| Link type | Source | Description |
|---|---|---|
| dogacelektronik.com | Fault finding AD4, AR4 |