54 34 005 Removing And Installing/Replacing Hydraulic Control Unit For Convertible Top Drive
Necessary preliminary tasks:
- Remove right wheel arch trim . Refer to 51 47 161 REMOVING AND INSTALLING/REPLACING RIGHT LUGGAGE COMPARTMENT WHEEL ARCH TRIM .
When working on hydraulic system, observe the following:
- Hydraulic system must be at zero pressure.
- Disconnect supply and return lines as late as possible, with soft top stowed and in untensioned state.
- Shortly before removing lines screw tank on hydraulic control unit open and closed once.
Hydraulic fluid may emerge from the disconnected lines and the open connections on the hydraulic control unit.
Protect components and work area with suitable materials (e.g. cloths).
Make sure that dirt cannot get into the hydraulic circuit.
Follow repair instructions for hydraulic system. Refer to 54 34... Repair Instructions For Convertible Top Hydraulic System .
Do not fit hydraulic lines in kinked, crushed or transposed condition.
Unlock plug connections (1) and disconnect.
Disengage rubber tensioner (2).
Remove hydraulic control unit from side box.
Release screws (1) on retaining plate (2).
Detach hydraulic lines.
Installation:
Hydraulic lines and connections are marked with numbers to prevent mix-ups.
Check fluid level or top up if necessary. Refer to 54 34... Topping Up/Extracting Fluid, Checking Fluid Level .
Fully open and close soft top a minimum of 10 times in order to bleed the hydraulic system.