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04-02-2020, 02:45 PM
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#1 |
 Drives: 2011 Camaro ss Join Date: Jan 2020
Location: Bowie, MD
Posts: 105
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Vacuum leak or normal noise?
2010 Camaro SS automatic. Was just curious if anyone could confirm a noise or not. Sounds like a vacuum leak coming from driver rear rear of the motor. Not sure if it's normal air flowing through the manifold or if there's a leak or not. I can't find any hoses loose, crackers, damaged. Thanks in advance.
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04-02-2020, 02:50 PM
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#2 |
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Account Suspended
Drives: 2013 Sparkly Red One Join Date: Dec 2018
Location: Hospitality State
Posts: 2,558
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Smoke test it.
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04-02-2020, 03:11 PM
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#3 |
  
Drives: 2014 Camaro SS/RS 1LE 1967 Camaro Join Date: Oct 2013
Location: Fort Wayne, IN
Posts: 874
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Are having any idle or running issues?
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04-02-2020, 03:24 PM
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#4 |
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Drives: 2011 Camaro ss Join Date: Jan 2020
Location: Bowie, MD
Posts: 105
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Don't have a smoke machine.
No idle or running issues and no cel. |
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04-02-2020, 03:26 PM
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#5 |
    
Drives: 2011 Camaro 2SS LS3 Whipple Join Date: May 2019
Location: Connecticut
Posts: 1,925
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You'd have to post a video.
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Whipple 2.9 CAI ID1050x injectors ZL1 Pump JRE FPCM JMS Voltage booster JRE Rough Idle blower cam BTR .660 springs CHE trunnion kit 1 7/8 Speed Engineering Borla Atak JRE scoop 1.5" lowering springs BMR trailing arms and toe links Cradle inserts 704WHP 603WTQ 93 octane
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04-02-2020, 04:21 PM
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#6 |
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Drives: 2012 Victory Red LFX Join Date: Dec 2012
Location: west central Texas
Posts: 1,310
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Propane will work too.
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2018 SS wheels, red Heritage grille, actual driving lights, ZL1 strut tower brace, GM Performance billet aluminum fuel door, front grille Bowtie delete, painted red rotors and calipers, 1/4 window American Flags, splash guards, AEM dry panel air filter.
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04-02-2020, 05:08 PM
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#7 |
 
Drives: 2011 2SS, 2006 GMC Sierra Join Date: Jul 2019
Location: MA
Posts: 243
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no ses dont worry about it
it would set air/fuel management codes |
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04-02-2020, 06:33 PM
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#8 |
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Drives: 2014 Camaro SS/RS 1LE 1967 Camaro Join Date: Oct 2013
Location: Fort Wayne, IN
Posts: 874
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I’m with Mouse. No running issues, no codes, just run it. The noise you hear must be normal.
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04-02-2020, 06:48 PM
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#9 |
 
Drives: 13 Camaro Join Date: Oct 2016
Location: Colorado
Posts: 315
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Look at fuel trim percentages. You'll know for a fact. A small vacuum leak won't always set a cel code.
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04-02-2020, 08:23 PM
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#10 |
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Drives: 2011 Camaro ss Join Date: Jan 2020
Location: Bowie, MD
Posts: 105
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Ah okay, it's pretty noticable and no codes thrown so I was assuming it was normal. I was just curious if anyone ever listened and the noise as well
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04-02-2020, 09:00 PM
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#11 |
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Does it have a catch can? I know when I added mine it sounds very airy but there is no leak it was just the air traveling through the hose.
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2013 Camaro SS/RS, Stainless Power long tube headers with HF's, Air Raid CAI, Solo Mach XL cat back, BC Racing coil overs, Elite Engineering catch can, Ferrada Forge 8 Wheels, Windows tinted at 20%, Tuned by Dyno Steve.
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04-02-2020, 10:39 PM
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#12 | |
    
Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016
Location: Spring Hill, FL
Posts: 4,574
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I agree with others, you would likely throw a code or trims would be off. The main vacuum line in that area is the large diameter brake booster hose that runs to the back of the manifold. I had a tiny leak in mine right near the intake manifold end and it triggered a recurring P0556 Brake Booster Pressure Sensor Circuit Range code, and I couldn't hear anything. If you had a leak that bad that you could hear it I am 99% positive you would get a code for something.
Quote:
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2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI
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04-03-2020, 08:27 AM
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#13 |
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Drives: 2011 Camaro ss Join Date: Jan 2020
Location: Bowie, MD
Posts: 105
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No catch can and no codes so I'm assuming it's normal then. If anybody is bored and wants to go start their car and listen for the same noise and let me know, that'd be great. If not, I'll write it off as normal. Car is also stock besides slp mufflers so I can hear everything. Lol
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04-03-2020, 11:23 AM
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#14 | |
Drives: 2014 Camaro 1LT Join Date: Aug 2019
Location: Central Florida
Posts: 372
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Quote:
You kidding me? My car makes more noises than a symphony orchestra. I even created a post about it in another section (rattles, hisses, occasional whirring, etc). My philosophy up to this point is "if it ain't broke, don't fix it". No lights, no noticeable performance issues, no problem... |
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