Convertible Top Pump: Service and Repair

54 37 185 - Removing and installing/replacing hydraulic unit (drive) for retractable hardtop





Necessary preliminary tasks:
- Remove luggage compartment floor trim panel 51 47 101 Removing and Installing/Replacing Luggage Compartment Floor Trim Panel





Caution!
Hydraulic fluid may emerge from the disconnected lines and the open connections on the hydraulic unit (drive).
Protect components and work area with suitable materials (e.g. cloths).
Follow repair instructions for hydraulic system.
Do not fit hydraulic lines in kinked, crushed or transposed condition.





Release screws (1).
Remove cover (2) for hydraulic unit.





Cut open cable tie (1).

Installation:
Replace faulty cable ties.

Detach foam part from hydraulic unit.

Remove relay (2) from holder.





Unlock plug connections (1) and disconnect.

Installation:
Plug connections are coded against incorrect assembly.

Unlock plug connections (2) and disconnect.

Installation:
Order of plug connection specified by wiring harness.





Disconnecting hydraulic lines from hydraulic unit:
- Release screws and push lockplates (1) in direction of arrow.
- Detach hydraulic lines.
- Remove hydraulic unit (drive).

Installation:
Hydraulic lines and connections are marked with numbers to prevent mix-ups.
Check fluid level Testing and Inspection or top up if necessary.