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06-13-2017, 04:48 PM
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#1 |
 
Drives: 2016 Chevy Camaro 2SS Join Date: Sep 2015
Location: Rohnert Park Ca.
Posts: 385
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Squirrelly Rear end
Why does my 2016 2SS hop sideways when going over expansion joints on the freeway?
My shocks have 11K on them, tires are still ok.
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Driving: 2SS, Blue Velvet/Kalahari,NPP,MRC,AUTO8,Navi,grey machined split spoke and sunroof! SZKGKB,134994-12/21 build
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06-13-2017, 04:58 PM
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#2 |
          
Drives: 2017 SS 1LE, 2017 Volt, 2013 Pilot Join Date: May 2014
Location: Colorado
Posts: 4,274
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hmmm...how bad are the expansion joints? Did you go over same joints when car was new and it didn't do it?
I know that when I'm accelerating pretty good, there are a couple spots around my hood that the road is buckled a little and I hop, but not sideways.
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2017 SS 1LE | HBM | Vortech V3-Si supercharger (620RWHP and 575ft lbs) | PDR | Black Bowties | Illuminated Front Black Bowtie | Illuminated Door Sills | Smoked Tails | vented seats mod
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06-13-2017, 05:25 PM
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#3 |
Drives: 2016 Camaro 1LT Join Date: Jan 2016
Location: California
Posts: 3,491
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maybe it feels sideways because you're not used to the feeling of a rear limited slip + traction control working on one or the other rear tire (especially assuming the expansion isn't run over at a perfect perpendicular angle).
usually that kind of sideways movement feeling comes from driving in truck grooves on asphalt (common on the east coast) with wide tires. |
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06-13-2017, 05:51 PM
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#4 |
 Drives: 2018 Silver ZL1 Join Date: May 2017
Location: Maryland
Posts: 42
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There is a "bump" (not big) on the highway I use daily. When I travel over it around 80mph, the car hops a bit and the traction light flashes. It doesn't actually go sideways but does feel like it hops to one side, made me nervous the first time it happened. Thats the only time I have had something similar. I haven't had it happen on an expansion joint, the bump i deal with is a crappy patch job by the road crew.
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06-13-2017, 08:46 PM
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#5 |
Drives: 2016 Camaro 2SS Join Date: Apr 2017
Location: Stansbury Park, Utah
Posts: 1,092
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What you're describing is what I've been living with for 10 years driving my 2007 Mustang GT with their solid/live axle. The rear end will hop out to the side when hitting a bump /expansion joint while in a corner. It's a little unnerving but you get used to it. That being said...I've noticed this too....sometimes. But only now 'n then. But with IRS it shouldn't happen, at least I wouldn't think so.
FYI...I have my suspension in Tour mode. I've never had the traction light come on though.
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2016 2SS, MRC, NPP, A8. Procharger P-1X,Stage II,std bypass, 3.9, Alky Meth - 10.84 @129 - DA+2000
New Mods - GPI drop ins, Kooks 2", LT4 fueling, Cam, Circle D Converter, 3.5 pulley & dual nozzle meth.  |
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06-13-2017, 08:49 PM
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#6 |
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Drives: BVM 1SS Join Date: Oct 2016
Location: Columbia-Sumter- Florence, SC
Posts: 462
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^ The traction light comes on pretty easy in tour mode for me. Especially punching it at 80 mph.
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06-13-2017, 09:01 PM
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#7 | |
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Drives: 2016 Camaro 2SS Join Date: Apr 2017
Location: Stansbury Park, Utah
Posts: 1,092
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Quote:
__________________
2016 2SS, MRC, NPP, A8. Procharger P-1X,Stage II,std bypass, 3.9, Alky Meth - 10.84 @129 - DA+2000
New Mods - GPI drop ins, Kooks 2", LT4 fueling, Cam, Circle D Converter, 3.5 pulley & dual nozzle meth. |
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06-13-2017, 09:14 PM
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#8 |
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Drives: 2017 Camaro 2SS - M6, NPP, MRC Join Date: Jan 2010
Location: Delco, PA
Posts: 971
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I have this happen often where I live, going around an exit from the Commodore Barry bridge onto I-95 southbound. Mildly annoying.
More annoying is that after the bump, right about where I want to accelerate and merge with traffic, about every other time the power gets cut, almost like I hit the rev limiter. Push the gas, nothing happens. Push it more, still nothing. Only when I release the gas pedal and wait a moment does it reset itself and I get power back. Now THAT is frustrating! Should probably watch for the TC light coming on next time, it's the only explanation which makes sense. |
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06-13-2017, 09:48 PM
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#9 | |
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Drives: '16 Garnet Red 1SS Join Date: Mar 2014
Location: College Station, TX
Posts: 3,450
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Quote:
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'16 Camaro 1SS
'18 Miata GT Gone: '01 Camaro, '14 Camaro, '90 Miata |
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06-13-2017, 10:04 PM
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#10 | |
Drives: 2019 Silverado Z71 6.2L A10 Join Date: Mar 2017
Location: Grapevine
Posts: 2,075
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Quote:
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Current ride
2019 Silverado Z71 LTZ 6.2L L87 425hp A10, 4 inch BDS Lift with Fox Factory Race 2.5 Coilovers, Borla Cat back (15HP bump), BFG KM3's 33's. Past Rides 2017 M6 Camaro ZL1 Hyper Blue 2016 M6 GT350 White with blue strips 2014 M6 Mustang GT Premium Track Pack Ruby Red 2012 M6 M3 Melbourne Red Metallic |
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06-13-2017, 10:07 PM
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#11 |
 Drives: Camaro 1SS Join Date: Apr 2016
Location: NY
Posts: 125
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I haven't noticed my SS hopping to the side when hitting bumps. However, I have experienced hitting a bump on the highway that threw my car out of gear.
Last edited by JR91; 06-14-2017 at 12:38 AM. |
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06-13-2017, 10:11 PM
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#12 |
Drives: SW 1SS 1LE / Jeep XJ Join Date: Mar 2016
Location: WPB,FL
Posts: 799
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When was the last time you got an alignment?
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06-13-2017, 10:17 PM
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#13 |
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Drives: 2017 2SS, M6, HBM Join Date: May 2017
Location: Wa
Posts: 108
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Wide metal expansion joints can be very low traction surfaces. I haven't experienced an issue in my Camaro but my '87 Wrangler will sometimes step out on a wide metal expansion joint if I'm not coasting across the joint.
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