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Topic: Engine Noise

in Forum: C3 Engines


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Engine Noise (1/5)
 10/20/24 10:02pm
SassieGold Member
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Slanesville, WV - USA

Vette(s):
1975 Corvette Stingray


Joined: 10/20/2024
Posts: 8

She started fine. Was driving around for a while when the engine started making a loud noise. Sounds like, imagine if you will, a bunch of screws in a plastic ball being shaken around. I guess like a rattling. I took a video but can’t upload it here. Thoughts?

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Re: Engine Noise (2/5)
 Yesterday 9:26am
manchestersharkLifetime Member
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Equinunk, PA - USA

Vette(s):
1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.


Joined: 10/31/2007
Posts: 2440

Hello again, I would check the water pump, and or the alternator. 



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Re: Engine Noise (3/5)
 Yesterday 9:50pm
SassieGold Member
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Slanesville, WV - USA

Vette(s):
1975 Corvette Stingray


Joined: 10/20/2024
Posts: 8

Thanks, I appreciate the suggestions. I have an appointment to take her to be looked at in two weeks.



|UPDATED|10/21/2024 9:50:19 PM (AZT)|/UPDATED|
Re: Engine Noise (4/5)
 Yesterday 9:38pm
Adams' AppleLifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas


Joined: 11/8/2003
Posts: 20163

Have you looked to see if there IS a plastic ball of screws flopping around in it? (sorry....but I have seen such things)

If you have a youtube channel, upload the video there and post a link here. If you do not have a youtube account, you can email the video to me and I will post it here for others to listen to. You can click on my profile and get my email address. 🙂

A rattle as you describe could be anything from major engine damage, to a minor exhaust rattle...hard to say without actually hearing it.



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Re: Engine Noise (5/5)
 Yesterday 10:06pm
SassieGold Member
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Slanesville, WV - USA

Vette(s):
1975 Corvette Stingray


Joined: 10/20/2024
Posts: 8

Thank you, Joel. I emailed it to you. Appreciate it!

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