Trunk / Liftgate Hydraulic Cylinder: Service and Repair

Luggage Compartment Lid Lift Cylinder

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Removal

Remove the panel on the trunk lid as described in Panel luggage compartment lid lower .




Relieve the oil pressure in the hydraulic pump. See: Convertible Top Hydraulic System Pressure Relief Convertible Top Hydraulic System Pressure Relief.

Note! Jiggle the trunk lid a few times to get the hydraulic fluid out of the cylinder.




Secure with 2 cable ties.





Remove
- the upper and lower cylinder retaining clips




- the lower shaft (1)
- the cable tie (2).
Pull off the cylinder from the upper shaft (3).




Remove the 2 retainers of the hydraulic hoses.

Note! Mark the hoses before replacement.

Caution! Risk of oil spill. Use protective paper. O-rings must always be replaced.

Installation

Install in the reverse order.

Caution! Check the function of the roof by operating it from the closed position to the open position and then closed again. Check the fluid level in the hydraulic pump's expansion tank. Fill with fluid as necessary, part no. 3074 1424.