Installation details of the electrohydraulic control unit for shifting AT 722.6
2 - Transmission housing; 3 - Oil pan; 3a - Retainer; 3b - Bolt (TORX); 4 - Drain plug of the oil pan AT; 5 - ATF filter; 19 - Electro-hydraulic shift control unit; 19a - Bolt (TORX); 21 - Guide bushing; 26 - 13-pin connector; 62 - Heat shield (not installed on the models in question); 69 - Magnet; a - Socket for installing speed sensor 3 (Y3/6n3); b - Socket for installing speed sensor 2 (Y3/6n2)
1. Jack up the car and place it on supports.
2. Remove the key from the ignition switch.
Note: On models equipped with the Keyless Go system, press the Start-Stop button to turn off the ignition, remove the smart card from the vehicle and move it beyond the transmitter's sensitivity range.
3. Move the shift actuator lever on the transmission housing to the "P" position (see illustration) AT shift drive design).
4. Disconnect the 13-pin electrical harness connector (26).
5. Release the AT from the crankcase and remove the guide sleeve (21) - prepare a replacement sealing ring.
6. After unscrewing the plug (4), drain the ATF from the AT crankcase - do not forget to replace the sealing washer, if necessary (if the oil is contaminated) flush the ATF cooling lines.
7. Unscrew the mounting bolts and remove the transmission oil pan (3) - prepare a replacement sealing gasket.
8. Remove the magnet (69) from the tray and clean it of any metal filings that have stuck to it.
9. Remove the ATF filter (5) - prepare a replacement sealing ring.
10. Unscrew the bolt (19a) and remove the electro-hydraulic shift control unit (19).
11. Installation is carried out in the reverse order - make sure that the crankcase is filled with transmission fluid correctly.