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noisy clutch when first starting

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Old Jul 5, 2022 | 09:26 PM
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Default noisy clutch when first starting

I replaced my clutch 2 years ago with a heavy duty clutch kit from ACT along with a slave cylinder, pilot bearing, and aluminum flywheel. This year a new sound has started (or at least one I never noticed before). When I FIRST start out at a dead stop, I will hear this low pitch "squeal." I'm using squeal because I can't find another word to describe it. Maybe chirp/squeak might be a better description? Almost sounds like rusty brakes coming to a stop. Shifts great, tons of holding power. No slipping......

It's quick and only happens as I'm releasing the clutch and it's catching.

I'm at a loss. Only two things I can think of:
1. A slave cylinder going bad which I replaced when I did the clutch job myself 2 years ago.
2. Incorrect installation. I took my time, I was very careful, and I followed the torque sequence and specs for both flywheel and clutch.......

Don't know if this means anything, but the clutch had a moderate amount of chatter when I first installed it and settled down after the break in period. There's barely any chatter left. My guess is that it's mostly from breaking in and to a lesser extent, me learning the clutch and being able to drive it better.

Last edited by 2001ws6ft; Jul 5, 2022 at 09:46 PM.
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Old Jul 8, 2022 | 06:39 AM
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Originally Posted by 2001ws6ft
I replaced my clutch 2 years ago with a heavy duty clutch kit from ACT along with a slave cylinder, pilot bearing, and aluminum flywheel. This year a new sound has started (or at least one I never noticed before). When I FIRST start out at a dead stop, I will hear this low pitch "squeal." I'm using squeal because I can't find another word to describe it. Maybe chirp/squeak might be a better description? Almost sounds like rusty brakes coming to a stop. Shifts great, tons of holding power. No slipping......

It's quick and only happens as I'm releasing the clutch and it's catching.

I'm at a loss. Only two things I can think of:
1. A slave cylinder going bad which I replaced when I did the clutch job myself 2 years ago.
2. Incorrect installation. I took my time, I was very careful, and I followed the torque sequence and specs for both flywheel and clutch.......

Don't know if this means anything, but the clutch had a moderate amount of chatter when I first installed it and settled down after the break in period. There's barely any chatter left. My guess is that it's mostly from breaking in and to a lesser extent, me learning the clutch and being able to drive it better.
Can definitely be a throwout bearing noise or pilot bearing noise. I have seen glazed clutches that cause chirps, shakes noises... usually from over slipping the clutch. Beat on it with a few pulls and usually clears it right up.
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Old Jul 8, 2022 | 11:45 AM
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Forgot to mention.....doesn't seem to ever make that noise when I first take the car out........seems like only after I've driven it for at least a few minutes.

I very rarely beat on that clutch. Very rarely. I wonder if it has to do with what you said.. it's a tricky clutch to be smooth with and maybe me spending too much time "finessing" it around town and parking lots and no strong pulls has created this.....

Thanks so much for your input. Much appreciated.
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