05-25-2018, 12:06 AM | #15 |
Drives: Current driver AMC emlin X 5ltr. Join Date: May 2011
Location: None-Ya
Posts: 250
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No wiggle at all in the pulley. I tried moving it tapping on it gently with a rubber mallet while holding the front. Maybe it'a bad bearing or something.
Thank goodness it's still under warranty. And i am really glad to find this problem before the upcoming track day. it would have really sucked to have a major problem at speed. We'll see what the tech say's. I would be less than amused if they say oh it's normal. since it get louder now everytime i drive it. And there was no sound 500 miles ago. |
05-25-2018, 12:10 AM | #16 |
Drives: Current driver AMC emlin X 5ltr. Join Date: May 2011
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Posts: 250
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Maybe one of the Performance Shops on the forums will take a listen and let me know if they have experienced anything like this
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05-25-2018, 06:55 AM | #17 |
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I have only driven 2 CA6 ZL1s, both A10s. Both had a noticeable whine. I assumed this was blower whine. If the trans and SC both whined then I also assume the competing whines would be at different frequencies.
So I guess only Manual A10s can tell us if they hear SC whine.
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05-25-2018, 11:01 AM | #18 |
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I didn't think my trans made a sound until someone started a thread about it a while back. If you stick your head down by the bottom of the car while it's running in the garage, you can barely hear it. Definitely can't hear it inside the car. Only whine inside is either the blower or my wife. Lol
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05-25-2018, 11:15 AM | #19 | |
Drives: 16' 2SS, 06' Silverado SS Join Date: Jul 2017
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05-25-2018, 12:11 PM | #20 | |
Drives: 2016 Z06, 2017 ZL1 Join Date: Feb 2012
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05-25-2018, 12:26 PM | #21 | |
Camaro pilot
Drives: 69 Camaro, 2014 ZL1 Join Date: Dec 2015
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2014 ZL1 Camaro
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05-25-2018, 12:38 PM | #22 |
Drives: Current driver AMC emlin X 5ltr. Join Date: May 2011
Location: None-Ya
Posts: 250
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Boy this thread got off track a bit. I posted a video that has the sound. What I thought was the blower whine. I think it's a bad upper pulley bearing or something similar.
Anyone else experience this? |
05-25-2018, 06:23 PM | #23 |
Drives: 17 ZL1 Join Date: Mar 2017
Location: VA
Posts: 1,075
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Haven't experienced it, but do agree, sounds like the upper pulley bearing is failing.
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2017 ZL1 Coupe M6, Red Hot
Mods; AFE Pro 5R CAI, Kong Ported Blower and Snout, NW 103 TB, Griptech 2.31 Upper, Kooks 2",JMS Voltage Booster, Flex Fuel, Mighty Mouse CC,Jannetty Racing Tune, 680 rwhp |
05-25-2018, 06:31 PM | #24 |
Drives: Current driver AMC emlin X 5ltr. Join Date: May 2011
Location: None-Ya
Posts: 250
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Update. The idler pulley has failed. Dealer order a replacement. No car for a week. Damn that sucks. But I am glad to discover this problem now and not on the track
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05-25-2018, 08:08 PM | #25 |
Drives: Hyper Blue 2SS Join Date: Jun 2013
Location: CA
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it was a pulley...
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05-26-2018, 10:43 PM | #26 |
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Glad the issue has been found and you'll be back on track soon.
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https://youtu.be/uWba1qs8M6Q 11.52 at 123mph 3500 DA TZQPHG '17 ZL1 HBM|A10|Nav|PDR|CFW Hood|ZL1 Mats 12/26/2016 Ordered! 2/8/2017 Built!! 3/2/2017 Brought Home!!! |
05-27-2018, 05:43 AM | #27 |
Drives: 17 ZL1 Join Date: Mar 2017
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05-27-2018, 01:53 PM | #28 | |
Drives: Current driver AMC emlin X 5ltr. Join Date: May 2011
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