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04-21-2020, 01:56 AM
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#1 |
 Drives: Camaro 2016 SS / Summit White Join Date: Aug 2017
Location: Spokane
Posts: 14
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Engine goes up and down at low rpm at cruising speed
https://youtu.be/hEHPqof5QP0
So I recently noticed my Camaro 1SS 2016 A8 does a weird thing when I driving at cruising speed. The rpm will go up and down at low rpm when is around 1.5k. This never happens before because I drive my car daily, also you can hear the engine sound goes up and down to in the video. I found a thread that people were talking about an issue similar to this but didn't really find a solution. Any suggestions? Thanks! |
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04-21-2020, 08:34 AM
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#2 |
 Drives: 2016 1LT V6 A8 Join Date: Oct 2018
Location: Wyoming
Posts: 85
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When mine started doing exactly that around 25K miles I took a video that looked exactly like yours. Went to the dealer and they confirmed the A8 shudder problem and did the transmission flush / new fluid procedure no questions asked. No problems since then.
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04-21-2020, 08:40 AM
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#3 |
     
Drives: 2018 Camaro V6/RS Join Date: Nov 2018
Location: MI
Posts: 1,596
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Yep when this happened to me it was the start if the infamous A8 shudder
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04-21-2020, 10:01 AM
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#4 |
 
Drives: 2016 2SS, 2008 HHR ECTO-2H Join Date: Aug 2009
Location: Springfield, Mo
Posts: 1,927
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Same.
__________________
2016 Camaro 2SS. Hyper Blue, Ceramic White, Auto, MRC, and NPP.
1100 - 9/25 2000 - 9/28 3000 - 9/30 3100 - 10/27 3300 - 10/28 3400 - 10/29 TPW 11/09 3800 - 11/10 4300 - 11/24 4B00 - 11/25 4200 - 12/5 5000 - 12/7 6000 - 12/11 |
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04-21-2020, 10:59 AM
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#5 | |
Drives: 2017 1LT Camaro Join Date: Jun 2019
Location: Columbus, OH
Posts: 52
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Mine has started doing the exact same thing. But mine also vibrates very rough when I accelerate heavily from a dead stop or any MPH's under 25 to 30. When I'm above 30 MPH or so, it won't vibrate on heavy acceleration. The RPM's are doing exactly what yours is doing when I'm just cruising. My engine is the V6 LGX.
Quote:
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04-21-2020, 01:15 PM
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#6 |
      
Drives: 2018 Camaro 2SS A8 Join Date: Jul 2017
Location: East Tennessee
Posts: 11,601
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Check out the A8 transmission shudder threads here, there is a TSB (18-NA-355) that dealerships will perform free of charge, no questions asked, if the car is still under the 60k powertrain warranty.
The sooner you get this transmission flush, the better. It fixes the issue in most cases except if the shudder got so bad over time that torque converter clutches got damaged, in which case you will need a new torque converter.
__________________
2018 Camaro 2SS — G7E MX0 NPP F55 IO6
735 rwhp | 665 rwtq Magnuson TVS 2300 80mm pulley | Kooks 1 7/8" LT headers | JRE smooth idle terminator cam | LT4 FS & injectors | TSP forged pistons & rods JMS PowerMAX | DSX flex fuel kit | Roto-Fab CAI | Soler 95mm LT5 TB | 1LE wheels | 1LE brakes | BMR rear cradle lockout | JRE custom tune 1100 - 1/30/18 | 2000 - 1/31/18 3000 - 2/06/18 TPW 2/26/18 3400 - 2/19/18 | 3800 - 2/26/18 4300 - 2/27/18 | 4B00 - 3/01/18 4200 - 3/05/18 | 4800 - 3/14/18 5000 - 3/16/18 | 6000 - 3/19/18 |
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04-21-2020, 01:47 PM
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#7 |
Drives: 18 ZL1 A10 Join Date: Nov 2008
Location: South East, FL
Posts: 3,024
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Do you have an aftermarket CAI on the car?
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2017 ZL1 M6 Bog City, 2013 ZL1 M6, 2010 2SS M6
ZL1::J-E-T-S JETS JETS JETS  |
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04-22-2020, 08:43 PM
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#8 |
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Drives: 2016 SS Camaro Join Date: Feb 2020
Location: Austin, Texas
Posts: 6
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Agree with above posts regarding the shudder. Mine was pretty bad and i had it at the dealer a week before the tsb was released, so I had to wait and do a bunch of research on my own before coming across it. I have a copy of that TSB and I can email it to you. If you’re interested, send me your email address and I’ll forward it to you.
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04-25-2020, 12:26 AM
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#9 |
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Drives: Camaro 2016 SS / Summit White Join Date: Aug 2017
Location: Spokane
Posts: 14
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I don't, I have aftermarket cat-back tho.
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