C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

96 roff panel rattles

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Old Oct 24, 2015 | 11:41 PM
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Default 96 roff panel rattles

Just bought a 96 LT4 and the roof panel rattles when driving over bumps. I notice that there are no rubber grommets or gaskets on the mounting fittings. Am I missing something?
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Old Oct 25, 2015 | 07:33 AM
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look for seperation from the frame to the top on the top most seem to start at the back.
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Old Oct 27, 2015 | 10:03 AM
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It could also be that the brackets are not tightly attached to the windshield (that was the case on my car). remove the plastic trim on the inside of the windshield and there are a couple of torx screws per bracket that you should check.
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Old Oct 27, 2015 | 01:47 PM
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You also have brackets on the top you can check.




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Old Oct 27, 2015 | 04:48 PM
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Try to check all screws that are well tighted

Mine rattle sometimes if I had to make just 1miles and put roof on with 2 screws only

So I would assume that you have some screw no well tighted...

Take a look
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Old Oct 28, 2015 | 09:10 PM
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Originally Posted by Christi@n
Try to check all screws that are well tighted

Mine rattle sometimes if I had to make just 1miles and put roof on with 2 screws only

So I would assume that you have some screw no well tighted...

Take a look
Thanks for the response. The roof bolts are fully tightened. I will check the windshield brackets next. Thanks for the great advice. I also ordered a kit with some thin pads for the corners that is supposed to prevent rattles and squeaks. We'll see if that's needed. Mine seems to be rattling from the back of the panel, not the front. Thanks again everyone for your responses. This is my first Vette. I have other classics but this is something new for me, and it is far more sofisticated than our '68 Cutlass and '77 town Car.
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Old Oct 28, 2015 | 09:13 PM
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Default Thanks for the response will check the brackets next.

Originally Posted by We Gone
You also have brackets on the top you can check.




Thanks for the advice. Will check the brackets next.
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Old Oct 30, 2015 | 03:57 PM
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Originally Posted by daverulz
It could also be that the brackets are not tightly attached to the windshield (that was the case on my car). remove the plastic trim on the inside of the windshield and there are a couple of torx screws per bracket that you should check.
same here, I tightened all the mounting brackets back up snugly and all screws etc inside car, it is dang near rattle free now. Mine is a 86 with 96 top and brackets.
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Old Oct 30, 2015 | 09:22 PM
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Originally Posted by JimmyC
Just bought a 96 LT4 and the roof panel rattles when driving over bumps. I notice that there are no rubber grommets or gaskets on the mounting fittings. Am I missing something?
I had the same issue with my 96 CE... Found that the prior owner had only attached the roof with the front (2) torx screws, once I installed the (2) rear torx screws I had no more rattle.
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Old Oct 30, 2015 | 11:36 PM
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Originally Posted by JimmyC
Mine seems to be rattling from the back of the panel, not the front.
When you tighten the bolts, do you tighten the rear bolts first? This is necessary to be sure the roof is positioned properly before tightening the front bolts.

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Old Nov 1, 2015 | 09:27 AM
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Originally Posted by JimmyC
Just bought a 96 LT4 and the roof panel rattles when driving over bumps. I notice that there are no rubber grommets or gaskets on the mounting fittings. Am I missing something?
I have remembered a thing that can help you

Rear Roof bolts, (two that you have to untight with racket in order to pull of panel) must have something like a nylon washers. This washer is inside roof panel holes and if you completely remove bolts from panel these washers could be lost.

Without these two washer panel could rattles

Last edited by Christi@n; Nov 3, 2015 at 04:15 AM.
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