The Ferrari 355 Spider Convertible Roof can be quite troublesome with many different causes.
In this video I talk through ALL the issues and how to fix your Spider Roof.
1. How the system works.
2. What the conditions are for the roof to work correctly.
3. Sensors, locations and adjustments.
4. Hydraulic reservoir and how to refill or top up.
5. Bleeding the hydraulic system
6. Frame adjustments at sides
7. Frame adjustments at the rear
8. Rood canvass skin and cables.
Apologies for the shaky camera !!
PLEASE also READ all the extra tips from other in the COMMENTS below. Also if there’s anything else you have discovered please also add it below. Thank You.
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Excellent stuff. Just a few more tips:
It's probably best to pull down the visors before unlatching the roof (to prevent leather damage)
14:46 The "3rd sensor" re-enables manual electric window control when the roof is fully down (EDIT: I don't believe that sensor triggers the movement of the seats. It doesn't have an input into the Roof ECU. It's more likely the switches in the primary rams control the seats.
The reason your secondary hydraulic rams are not working may be due to a faulty solenoid (see Workshop Manual "F1" solenoid) or the internal switches (S2/S4) in the primary actuators are faulty.
43:26 I have a problem with the cable catching the rear of the window frame. I haven't been able to figure out what's wrong.