The top is hydraulicly operated. Check the bypass valve in the trunk to
>make sure someone didn't open it. That valve is opened to allow you to open
>or close the top by hand if you ever have a power failure, and has to be in
>the closed position for actuation pressure to build. Otherwise, you'll get
>something like the sound you described when you press the top switch in
>either direction.
>
>> The convertible top on our '95 Z28 has been unused for this winter >(located
>> in OR) and on our first attempt to drop the top, nothing. I could hear >the
>> motor trying, but not sure if I heard correctly, or am just imagining, but
>> it sounded like air bubbles in a hydraulic line.
>>
>> Are these things hydraulicly operated? Could a line just give it up? >Where
>> would I go to find the problem?
>>
>> Thanks so much for any help anyone can provide. I'd rather not pay shop
>> rates for being a novice!
>>
>> ninja900
>>
>>
>>
>