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Old 05-06-2008, 03:45 PM   #1
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Convertible "clamshell" adjustment

I just noticed something kind of odd, either it just changed or I'm getting blind in my old age.

On the driver side of my car, with the convertible top up, the clamshell sticks up about 1/4" inch higher than it should and about an 1/8" inch lower than flush on the passenger side. I noticed this in my side view mirrors, so it's mostly towards the front points. I inspected for any obstruction and checked the "adjustable" top cables, all are ok. Anyone have suggestions?
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Old 05-06-2008, 06:47 PM   #2
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Don't look at it anymore?

There are 3 adjustment places for the height of the clamshell.

Here is the most common one, a wedge adjuster on each side, near where the seat belts attach to the roll bar. You need to have the clamshell raised to see them.

If that is not it then I need to see a picture.
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Old 05-07-2008, 03:19 AM   #3
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there are two little cables that go from behind the back window to either side of the engine cover. these are the cables that you undo to flip the back window up and expose the motor hatch. are yours in tact? if one or more is broken or out of adjustment (they are adjustable), they won't pull down the back of the window enough and it will prevent the clamshell from closing all the way.
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Old 05-11-2008, 06:19 PM   #4
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I checked and adjusted the cables, both are quite tight. What are the other adjusters? What do those little "click" pieces do? I've moved them all around and didnt see any change. The shell is still higher on the driver side. Also, you said there are 3 adjustment points, what's the third? Thanks.
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Old 05-11-2008, 07:42 PM   #5
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Here......
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Old 05-11-2008, 07:45 PM   #6
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And the female socket for this.
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Old 05-12-2008, 02:26 AM   #7
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the thing in the first picture will adjust the fore / aft gap between the clamshell and the quarter panels. the thing in the second picture adjusts the step between the back of the clamshell and the trunk / quarter panels. you want to adjust the second thing.
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Old 05-12-2008, 03:27 PM   #8
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Thank you all for the help. I adjusted the "sockets", this helped in the rear, but the front of it still sticks up. I looked all over and can't seem to find any other adjustments. Here's what it looks like:
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Old 05-12-2008, 06:06 PM   #9
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adjust the one in tool pants' other picture; it will reduce the step at the front of the clamshell. your picture jogged my memory.
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Old 05-12-2008, 06:14 PM   #10
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This is how we adjusted one once....
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Old 05-12-2008, 06:19 PM   #11
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Quote:
Originally Posted by Tool Pants
This is how we adjusted one once....
now THAT is a precision tool.
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Old 05-12-2008, 07:19 PM   #12
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That's hilarious! Don't think I'll try that method though. I did try that bolt in the lower picture, this just holds the arm on to the track, non-adjustable. In working on this, I noticed yet another problem. I gotta laugh here, I always wondered why it's so loud in my car even with the top up....now I know. Take a look at this picture, there's a good 3/4" gap between the clamshell and the weatherstrip!!! Thank god I keep it in the garage! I'm not sure what to think here. My first two instincts are that the strip is old and worn out ('98) but, I doubt a new one can fill a gap that large. The other is that I have the rear cables adjusted too tight, thus pulling the rear of the top down too hard. That's a catch-22 though...if I don't have them tight, I have a terrible rattling sound from the adjuster block. Any suggestions here? All of this makes me really wish I had the 5k to drop on a Zeintop!
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Old 05-12-2008, 08:19 PM   #13
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FIXED!!!

I loosened up the cables (does anyone know what the proper spec on these is?), I'll probably have some rattle, but oh well. From there, I noticed that the passenger side dimple adjuster was set too high, this caused the tilt making the driver side come up. My weatherstrip is a little worn out, I can push a key through there pretty easy, but at least it seems somewhat sealed. Thank you all for the help!

I'd lstill like to know the proper setting for those rear cables, so if anyone does, please respond.
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Old 05-13-2008, 02:31 AM   #14
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the bolt you mentioned that you thought was non-adjustable IS adjustable. you loosen the nut and turn the center with a screwdriver. it's an eccentric that will move the front of the clamshell up and down.

as for the cables, there is a procedure for proper tensioning. i'll look it up this evening and post it.
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Old 05-13-2008, 03:40 PM   #15
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I see, you are correct. I adjusted this and brought it down a little more. Now it seems about right. God bless 986forum!
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