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SmokinVette.com Forums : Corvette Forums : C4 Corvette Forums : C4 Corvette General Discussion : c4 targa top screws
C4 Corvette General Discussion
1984 - 1996 Corvettes

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Old 02-04-2011, 01:48 PM   #1
JOHN BOWMAN
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Default c4 targa top screws

I bought a 91 c4 with a targa top last summer, took the top off and the front screws out? I CAN NOT FIND ANYTHING ON THIS PROBLEM OR DRAWINGS THAT SHOW ME WHAT THE ATTACHMENT CONCEPT IS.
HOW DO I GET THE SCREWS BACK IN...ANYONE THAT KNOW THE ANSWER WILL KNOW WHAT I AM TALKING ABOUT.
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Old 02-04-2011, 02:44 PM   #2
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Quote:
Originally Posted by JOHN BOWMAN View Post
I bought a 91 c4 with a targa top last summer, took the top off and the front screws out? I CAN NOT FIND ANYTHING ON THIS PROBLEM OR DRAWINGS THAT SHOW ME WHAT THE ATTACHMENT CONCEPT IS.
HOW DO I GET THE SCREWS BACK IN...ANYONE THAT KNOW THE ANSWER WILL KNOW WHAT I AM TALKING ABOUT.
Make sure your car is sitting level when you put the top back on. This is very important to get the bolts to line up. Make sure you have all four bolts started before you tighten them.
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Last edited by crossflag; 02-04-2011 at 02:47 PM.
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Old 02-04-2011, 06:24 PM   #3
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Quote:
Originally Posted by JOHN BOWMAN View Post
I bought a 91 c4 with a targa top last summer, took the top off and the front screws out? I CAN NOT FIND ANYTHING ON THIS PROBLEM OR DRAWINGS THAT SHOW ME WHAT THE ATTACHMENT CONCEPT IS.
HOW DO I GET THE SCREWS BACK IN...ANYONE THAT KNOW THE ANSWER WILL KNOW WHAT I AM TALKING ABOUT.
Hiya John, as you may have figured out by now the front bolts are not suppose to be taken out when removing the roof. However all of teh major Corvette parts dealers sell replacemnet bolts for the tops So it can not be too hard to get them back in, I would recommend simply calling your local Chevrolet Dealer and asking the service department guys.

But i will go out to the garage tomorrow and get into my service manual and see if it tells me, if it does I will repost tomorrow for you.
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Old 02-05-2011, 11:19 AM   #4
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Also if after you get the bolts and sleeves for bolts.The bracket is under the trim piece for the halo.Theres shims to bring the bracket out a bit and What I did was remove the interior trim from halo then put the top on and while the bracket was loose (not too loose) I went in with a thin wrench to tighten. Also applying a small ammount of pressure to the top to insure a good seal.After everything was tight and lined up I replaced the halo trim and its been set.Now I just drop the top down and apply a light pressure and screw it in place.But the front bolts should stay in the brackets.The rear the sleeves hold them in place so you dont drop them and have to chase the bolts around the floor. Again the top needs to be installed on a level surface.The bolts are like 6 bucks each at Ecklers or Zip and the brackets are I think around 30 and the sleeves are cheap too. I keep a set of spare bolts,sleeves and brackets in the garage in case.
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Old 02-07-2011, 05:11 AM   #5
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so when taking the top off you only remove the rear screws,not all four?
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Old 02-07-2011, 12:14 PM   #6
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so when taking the top off you only remove the rear screws,not all four?
You must fully loosen the four bolts but there are retainers in the targa top to keep the bolts from falling out so you wont lose them. Pay close attention to the bolts and retainer when removing the top so if they do come undone from the top you can put them back in.
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Old 02-07-2011, 03:31 PM   #7
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Yes only remove the two rear screws.The front ones stay in the front brackets and the rear ones stay in the top providing you got the sleeves around the screws.If any of the screws fall out you need to get the sleeves that keep them in place.Actually if everything is there you just loosen the bolts till they are loose enough to pop the top. To replace make sure the car is on a level surface and tighten till snug.Also dont use and locktite on the screws.They do shake loose from vibration and and if you hit a bump and the top rattles just retighten.
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Old 02-07-2011, 04:25 PM   #8
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Default targa top

thanks for the info
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Old 02-07-2011, 06:57 PM   #9
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Oh another thing if the bolts do snap keep a couple of spares around and an easy out tool to extract the broken bit. I have had to replace the rear bolts a couple of times.Its due to mostly body flex snapping them if they are too tight.So I learned to just tighten to snug.
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