The Cabriolet convertible top mechanism can fail due to hydraulic fluid leaks. The fluid reservoir is a common failure.Google+
Car Problem Reports
Audi Cabriolet Cabriolet Convertible Top Mechanism May Fail Due to Hydraulic Fluid Leaks
Audi Cabriolet Problem
Average Mileage: 104,142 mi (20,000 mi - 225,000 mi)
Visitor, 1997 Audi Cabriolet, 225,000 mi
Started as a very slow leak. Now a larger leak.
Visitor, 1994 Audi Cabriolet, 77,000 mi
reservoir leaks like a sief. to costly to repair. not cost prohibited
Visitor, 1994 Audi Cabriolet
Mine is a 2008 audi A3. This is second time hydraulic motor gone now audi want 1400 quid!!!!!
Visitor, 1995 Audi Cabriolet, 120,000 mi
Reservoir on top pump was cracked, fluid leaked out and top was inoperative. Also truck lock actuator was bad and had to be replaced.
Visitor, 1994 Audi Cabriolet, 125,000 mi
Convertible top motor hydraulic fluid reservoir leaks. Hairline cracks in plastic reservoir.
Visitor, 1997 Audi Cabriolet, 72,000 mi
convt topwill not operate
Visitor, 1994 Audi Cabriolet, 20,000 mi
convertible top motor pump leaks
making noise with putting top down or up