Question about 2001 Volkswagen Cabrio

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We have a 99 VW Cabrio we purchased recently with a new power roof. It worked perfectly for about 2 months. Now, however, the roof will not open. I can hear the hum of the motor, but nothing happens. I know we can open and close it manually, but am wondering why the motor might stop working. Could it be hydraulic fluid levels? Thanks for any help you may offer.

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Sounds like the fluid level to me ,it could have a small leak and might just need some oil

Posted on Sep 11, 2010

Testimonial: "Makes sense, but I don't know where to measure the fluid and what to fill it with."

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Your top is moved by hydrauluc fluid moved by a pump/motor combination behind the rear seat backrest. The sound indicates that the motor is working, so I would assume low fluid. One end of the pump/motor is a reservoir for fluid. With the top down remove the plug and fill the reservoir with transmission fluid till it runs out. This is best done with a turkey baster with a clear hose on the end. Cycle the pump and fill it again. Continue doing this till the top works. The question now is :Where did your fluid go"? you have a leak somewhere. Check the hoses, cylinders and pump for leaking fluid and replace what you must to stop it. Always replace cylinders in pairs.
Karl at

Posted on Jan 11, 2012


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