Do it yourself
Frequently asked questions about cars and motorcycles

Replacing Hydraulic Circuit Structure

Model: Mercedes Sl MK 5, R129 - Years 1989-2001
Part: Convertible top

Hydraulic systems perform significant work and require constant maintenance. The following guide shows how to replace the hydraulic circuit hose in your car. First, obtain the new part to replace and drain the cooling system for protection and safety reasons. Open the radiator bleed cap and drain the contents, allowing the coolant to flow out completely into a clean container. At this point, disassemble the hydraulic circuit structure using a screwdriver, then remove it by grasping its ends.

Updated on 21 February 2026 by ScegliAuto

Video tutorial

Related tutorials

Mercedes Sl (1989-2001 / MK 5, R129) To replace the hydraulic cylinder of the convertible top on a Mercedes SL, tilt the front seat backs forward and remove the carpet located in the rea…
Mercedes Sl (1989-2001 / MK 5, R129) To remove the hydraulic piston that controls the convertible top opening and closing system, first obtain the appropriate wrench to detach the top an…
Mercedes Sl (1989-2001 / MK 5, R129) The convertible top lock is always managed by the hydraulic system, which secures the closure once the top is lowered; to disassemble the lock, start…

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

Watch the video!


by ScegliAuto

More videos