Rattle noise

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Aug 21, 2025 | 07:43 PM

ahappychef72

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3rd Gear

Joined: Aug 2025

Posts: 3

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Rattle noise

Hello need some advise. My 2003 c5 making a rattle noise at idle. I just had my mechanic replace harmonic balencer.

Aug 21, 2025 | 08:42 PM

Ltngdrvr

Drifting

Joined: Sep 2022

Posts: 1,255

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If it is the balancer, it is generally pretty obvious, the balancer wobbles as it turns.
Beyond that, so many things could make noise at idle, no way for any of us to tell you much without a good bit more info.

Aug 21, 2025 | 09:39 PM

ahappychef72

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3rd Gear

Joined: Aug 2025

Posts: 3

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Thanks I’ll take a video and post it tomorrow appreciate your reply

Aug 21, 2025 | 09:43 PM

ahappychef72

Thread Starter

3rd Gear

Joined: Aug 2025

Posts: 3

Likes: 0

I also had my mechanic install mcloud dual clutch new slave cylendar as well. When I come out of first gear my mechanic and I both hear rattle noise like transmission sounds like maybe transmission gears rattling

Aug 25, 2025 | 12:38 AM

douglasjre

Racer

Joined: May 2021

Posts: 403

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Quote:

Originally Posted by ahappychef72

Twin disc clutches rattle at idle. That's what they do. It's normal. I don't understand why he doesn't know that

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