Correcting Fluid Level in Hydraulic Unit (From 02/03) for Rear Lid Actuation (Electrohydraulic-Fully Automatic)

51 24 660 - Correcting fluid level in hydraulic unit (from 02/03) for rear lid actuation (electrohydraulic-fully automatic)





Important!
Do not under any circumstance remove fluid tank from hydraulic unit.
Use fluid from "Small parts for hydraulic unit" set.

Follow notes and instructions Notes and Instructions on Automatic Rear Lid Actuation (From 02/03) (Electrohydraulic-Fully Automatic) for automatic rear lid actuation (electrohydraulic-fully automatic).





Necessary preliminary tasks:
- Remove hydraulic unit Removing and Installing/Replacing Hydraulic Unit for Rear Lid Actuation (From 02/03) (Electrohydraulic-Fully Automatic).

Note:
Hoses on hydraulic unit must not be detached.

Have a cleaning cloth and an oil drip tray ready to catch emerging fluid.





Move hydraulic unit (1) into vertical position.
Release screw (2).
Tightening torque 51 24 2AZ [1][2]Specifications.
Top up hydraulic fluid through opening.

Installation Note:
Replace sealing ring.

Check fluid level Notes and Instructions on Automatic Rear Lid Actuation (From 02/03) (Electrohydraulic-Fully Automatic).





When ideal filling is achieved:
Install hydraulic unit.
Close rear lid (motor-driven) twice and open again, this bleeds the system.
When rear lid is fully opened (cylinder retracted), fluid level (2) must be in area (A) of marking (3).