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996 Cabriolet Top problem

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2000 996 Cabriolet. 49k miles. Purchased from dealer approx 2 months ago. Car was taken in by previous owner for a top problem and he ended up buying newer 911. Dealer diagnosed top issue as weak battery and replaced. I've owned car approximately 2 months and have had the top up/down several times. On a couple of occasions the top while either going up or down would stop about 1/2 way thru the cycle and you wouldn't hear the top motor running. Release the switch and hit it again and it would usually(not always, sometimes had to hit switch a couple times) continue the operation to completion. Last night the top raised to the 1/2 way point and stalled. It wouldn't go forward until I reversed direction and then reversed it again - I had to do this about 4 times before I could get past that 1/2 way point. Battery voltage is fine. Not sure where to start looking for the problem - any thoughts on a systematic approach to solving this problem. On a side note, and I only bring this up because I saw someone post a similar issue and they stated it happened each winter...it was about 20 degrees cooler than it usually is when I go to raise/lower the top. Thanks in advance for any constructive advice.

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Thanks so much. I'm sure this is the issue. Especially since one person describes the high pitch whine as the top is going up/down...that fits mine to a T. I'll do it this weekend with the John Deere fluid! I'll report back as well, but I'm sure this is it. I'm really pleased - I posted the same question on the PCA site and got back "take it to the dealer...too complicated for the DIY'er".


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Performed the service as described in the link. First thing I found was the cable on the passenger side was not connected to the ball link. I thought of just connecting and seeing the result, but was curious about the fluid level so I continued on. I found the fluid level to be low as well. Filled resevoir and put everything back together. Now I've only owned the car for a couple of months, but it is noticeably faster, smoother and quieter than it's ever been since it's been in my possesion. I cycled the top about six times so far.....but I feel fairly confident this was the fix. I'm sure the cable not being connected may have caused part of the issue - i'm thinking maybe the top torques a little bit and causes a bind, but I think the fluild level being low was also a part of the issue. Thanks again.

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