04-10-2019, 10:24 AM | #85 | |
603 Camaros
Drives: 2017 NGM I4 1LT Coupe Join Date: May 2012
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Quote:
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04-10-2019, 10:41 AM | #86 | |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
Location: Stratford, CT
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Quote:
Im just confused really. Ill check the heat shield later today if I have time.
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04-11-2019, 08:51 AM | #87 |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
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Downpipe welds are OK. No movement at all.
The newest idea is the vacuum pump.
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04-12-2019, 11:14 AM | #88 |
603 Camaros
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Any luck on finding time to diagnose further?
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04-12-2019, 11:44 AM | #89 |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
Location: Stratford, CT
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Only further "diagnosis" I have is that I am now not even sure it is the turbo at all. I had a hard time pinpointing the sound origination yesterday.
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04-25-2019, 12:53 PM | #90 |
603 Camaros
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Any news?
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04-25-2019, 01:16 PM | #91 |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
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Not yet. Brought it to my mechanic to see if he could find the origination of the noise and it wasn't making it... Can't make this up.
It is not easily replicated apparently. I babied my car to work this morning and it was pretty bad when I parked. I beat the SHIT out of my car last night on the way home and it didn't even chirp once. Doesn't make sense.
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04-25-2019, 01:48 PM | #92 |
603 Camaros
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Have you tried datalogging the car to see if it's causing anything other then noise.
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04-29-2019, 06:42 AM | #93 |
Pat
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Yeah I originally posted that the logs were fine.
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05-03-2019, 07:14 AM | #94 |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
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Brought it back to Chevy on my way home on Wednesday because it sounded horrible. Get to Chevy, noise stops.. I seriously am not kidding. Not even a hint of a chirp. Tech drove the car without me in it for about 10-15 minutes. Got back and said the car is running perfectly, no boost hiccups (so probably not turbo related), everything else felt fine. Drove back home and it started AS SOON as I pulled into my driveway. Since Wednesday, the noise has happened almost every time I drive the car.
What I know: The noise is throttle input related. The noise sounds rotational, or a vibration related to a rotation. It only happens once the car is warmed up and driven for a few miles. It is simply unpredictable. Nothing seems to trigger it or provoke it. The car runs perfect (even in the logs) so it can't be anything super serious. This noise is insanely embarrassing. What I don't know: Where the noise is coming from. Where to look aside from the above mentioned parts. How to replicate the noise for someone in person. WTF is going on. I am going to order a new serp belt and a new tensioner pulley today and start small. If that doesn't fix the problem, Ill do through and make sure all exhaust/turbo connections are solid and tight, after that... I hope we don't get this far.
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05-03-2019, 07:24 AM | #95 |
Pat
Drives: 2017 Camaro 1LT I4 Turbo A8 Join Date: Nov 2016
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New Videos
Around 15-20 mph in my neighborhood https://photos.app.goo.gl/7x9KkxtoUnx9ZcPR7 In a dunkin' donuts drive through... https://photos.app.goo.gl/a9RM4kNvFKgKSym16 I only hear it at low speed but I assume that is because the road, engine and exhaust noise drown this out.
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05-03-2019, 09:26 AM | #96 |
603 Camaros
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Holy shit. I mean the first video to much wind noise man totally useless for hearing what your describing but the drive thru one...
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MY 2017 I4 CAMARO BUILD JOURNAL | YOUTUBE | INSTAGRAM | 316RWHP - 385 RWTQ HPTUNERS DYNO TUNE | 12.693s @ 105MPH 1/4 Mile |
05-03-2019, 09:41 AM | #97 |
Pat
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You can hear the sound after the wind noise stops in the beginning. But yeah... It sounds bad.
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07-12-2019, 09:57 AM | #98 |
Pat
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Update!
Re-installed my axle back (muffler delete) so it is essentially straight piped. Not for everyone but I like the noise. Appointment made to get my new Nitto NT555 G2 tires mounted. Specs are 245/45/18. Just received my drilled and slotted R1 Concepts rotors and pads for track day. Had my tune file updated for some crackly goodness and some more seamless driving. Installed my gloss black AA front splitter. Making appt to get belt and pulley replaced. Making time to install the following parts: FMIC from ZZP 72mm Throttle body kit PTP Turbo Blanket New Brakes
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