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

Post your squeak, rattle and thump fixes

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Old Jul 14, 2005 | 10:33 AM
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Default Post your squeak, rattle and thump fixes

Interior so far:
-Windshield pillar modings, rearview used to squeak like crazy.
-Spare tire rattling around used to drive me nuts.
-Change laying in the ashtray or console can make all kinds of noise if the resonance is bad enough
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Old Jul 14, 2005 | 11:11 AM
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Front end rattle-Replaced brake bias spring,Replaced rubber hood stops near cowl,tightened coolant overflow line bolt quiet now.
Interior-Dash squeak-Velcro all around the gauge bezel,tighten and repair head light switch bolts
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Old Jul 14, 2005 | 11:21 AM
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Turn the radio volume up. I bought new side window/door mouldings and am ordering a new moon roof/windshield rubber. Yesterday a plastic moulding screw fell in my lap. Screws are constantly coming loose. The clear roof/windshield connection is so rattly I don't hear much else from other parts of the car.
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Old Jul 14, 2005 | 12:35 PM
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The DS mirror was loose and bugged me every time I shut the door.

Thanks to a Forum member I've tightened up the screws and no more embarassing rattle.
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Old Jul 14, 2005 | 12:43 PM
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after modding my car, all i have to do is turn the key and all that's heard in the cockpit is the thumping thunder of it all. gawd it turns me on

when it was stock, you could hear a few squeaks here and there. thank god it not stock........

oh back to the program, sorry --- once i had a major rattle at the rear hatch when hitting ANY bump.....replaced the hatch assy with a good used one and all has been well since (2 yrs. ago).

Last edited by Red Tornado; Jul 14, 2005 at 12:45 PM.
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Old Jul 14, 2005 | 03:24 PM
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Harness bar, really tied things up.

Next up, a camber brace.
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Old Jul 14, 2005 | 04:25 PM
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Raspy noise from under the car when starting out turned out to be the bell housing dust cover (flat plate facing the oil pan). The bolts are tight, but it moves around anyway. The plan is to remove it and put a bead of silicone around the contact area, and put it back on after it cures. Hope it works.
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Old Jul 14, 2005 | 06:22 PM
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put car in park and turn it off... this stops most of them...
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Old Jul 21, 2005 | 04:54 PM
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Originally Posted by 65Z01
The DS mirror was loose and bugged me every time I shut the door.

Thanks to a Forum member I've tightened up the screws and no more embarassing rattle.

I'm having the same problem. The entire mirror "unit" including the head is rattling. Can you please share with me and others how you tightened the screws. Was it from the top, by removing the mirror itself, or from below, by removing the door panel. Thanks,
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Old Jul 21, 2005 | 04:57 PM
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squeak coming from rear compartment - got rid of mouse with mouse trap.
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Old Jul 21, 2005 | 05:03 PM
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Purchased some rubberliners from Eckler's that fit into the holders in the console.
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Old Jul 21, 2005 | 05:05 PM
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Originally Posted by cuisinartvette
Interior so far:
-Windshield pillar modings, rearview used to squeak like crazy.
-Spare tire rattling around used to drive me nuts.
-Change laying in the ashtray or console can make all kinds of noise if the resonance is bad enough
The spare tire holder has 2 positions I believe, one for the mini spare & another for the full size tire. You'll have to drop it to figure out which is which. Your owners manual shud have the info.
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Old Jul 22, 2005 | 06:24 PM
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Originally Posted by Amazing1
I'm having the same problem. The entire mirror "unit" including the head is rattling. Can you please share with me and others how you tightened the screws. Was it from the top, by removing the mirror itself, or from below, by removing the door panel. Thanks,

Mine needs help also!
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Old Jul 22, 2005 | 06:57 PM
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There was a loud almost screaming noise from my 'back seat', but I let her out after we got there.
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Old Jul 22, 2005 | 07:04 PM
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Originally Posted by MPforUSMC
There was a loud almost screaming noise from my 'back seat', but I let her out after we got there.
I must have gotten the cheap model since I don't have a back seat!
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Old Jul 22, 2005 | 07:11 PM
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I have a scraping sound when I drive on to the car wash track. It only happens entering the car wash track. I can't seem to find it when I get home
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Old Jul 22, 2005 | 09:02 PM
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Originally Posted by Amazing1
I'm having the same problem. The entire mirror "unit" including the head is rattling. Can you please share with me and others how you tightened the screws. Was it from the top, by removing the mirror itself, or from below, by removing the door panel. Thanks,
As yo may expect the bolts are inside the door.sorry
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Old Jul 22, 2005 | 09:03 PM
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Originally Posted by Amazing1
I'm having the same problem. The entire mirror "unit" including the head is rattling. Can you please share with me and others how you tightened the screws. Was it from the top, by removing the mirror itself, or from below, by removing the door panel. Thanks,
As you may expect the bolts are inside the door.sorry
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Old Jul 22, 2005 | 11:03 PM
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I've got a very, very loose mirror glass. The mirror itself is rock solid, but the glass jumps around like a madman! New mirror has been purchased.
I purchased the felt squeak reducers from GM for the hood and roof panel. Those helped a bunch.
I've also got a huge amount of noise coming from the rear hatch glass. On a bumpy road (way too common around here) it sounds like there's a Guinea Hen back there! I don't have a fix for it yet, but any suggestions would be a help.
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Old Jul 22, 2005 | 11:17 PM
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-Windshield pillar modings, rearview used to squeak like crazy.
My pillars are pretty solid; I just tightened the screw to keep the RV steady; but my Cobra keeps dropping so I'll have to get two new rubber "feet" to remount it.
-Spare tire rattling around used to drive me nuts.
I eliminated that issue when first I got my Vette; the spare & jack are sitting quietly across the room.
-Change laying in the ashtray or console can make all kinds of noise if the resonance is bad enough
I only carry change in the three slots in the console and resonance doesn't bad enough to cause it to rattle.

I got rid of the RH mirror rattle by tightening the three bolts that hold the motor mount to the shell. First you need to remove the three bolts holding the motor to the mounting frame and remove the motor. If you move the mirror to it's ourward and downward extreme you should be able to see if the shell mounting bolts or nuts are showing inside the shell. I don't recall if it uses bolts & nuts or just screws to hold it to the door.

The most annoying rattles now are in the hatch. I believe they are associated with the shade and/or the top holders. But these are only issues on really rough roads. The A/C mix door is next on the agenda.....after I get the ES bushings installed onto the rear sway bar and after the reconditioned injectors are back in...it's always something.

Last edited by 65Z01; Jul 22, 2005 at 11:27 PM.
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