Convertible Top Hydraulic Cylinder: Service and Repair

WM 618619 Removing and installing hydraulic cylinder

Technical values





Preliminary work

1. Remove hydraulic pump. -> 618419 Removing and installing hydraulic pump - section on "Removing" Service and Repair
2. Remove the rear side trim panel. -> 707519 Removing and installing rear side trim panel - section on "Removing" 707519 Removing and installing rear side trim panel

Installing hydraulic cylinder

NOTICE

Incorrect line routing

- Risk of damage to lines and hoses
- Malfunction and fault memory entry on control unit

-> Avoid small bending radii when routing lines.
-> File down edges and burrs in the routing area or mask them with adhesive tape.
-> Maintain a sufficient distance from components exposed to high temperatures while driving.

1. Secure the hydraulic cylinder.





Installing hydraulic cylinder

1.1. Position hydraulic cylinder -2- on the hood support with the drive lever and slide the potentiometer fork into the pin of the hydraulic housing (on the left side only) -arrows-.
1.2. Tighten fastening nuts -1-. => Tightening torque: 17 Nm (13 ftlb.)+/-2 Nm (+/-1.5 ftlb.)
2. Connect drive lever -2- ( -arrow- ) and secure with the safety clip -1-.





Installing drive lever

3. Secure hydraulic lines.





Securing hydraulic lines

3.1. Press hydraulic line -3- into the retaining clip -4- ( -arrow A- ).
3.2. Press water drain hose -1- into the retaining clip -2- ( -arrow B- ).
3.3. Press hydraulic lines -1- into the retaining clips -3- ( -arrow A- ).





Securing hydraulic lines

3.4. Secure hydraulic lines using a tie-wrap -4-.
3.5. Press hydraulic lines into the retaining clip -2- ( -arrow B- ).
4. Fit the splash guard -1- in the chamber in the water drip pan -2- ( -arrow- ).





Installing splash guard

Subsequent work

1. Install hydraulic pump. -> 618419 Removing and installing hydraulic pump - section on "Installing" Service and Repair
2. Calibrate hood. -> 6101K2 K2 -Calibrating hood
3. Install the rear side trim panel. -> 707519 Removing and installing rear side trim panel - section on "Installing" 707519 Removing and installing rear side trim panel