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10-09-2021, 09:20 AM
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#1 |
 Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020
Location: Swiss, Geneva
Posts: 71
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L99 Vibration in car
Good day. Does anybody have any vibration in car like a torque converter malfunction ? I visited GM service, they disabled turning off 4 cylinders and no vibrations at all. It very looks like torque converter issue. What engine parts may be needed for replacement ? Any suggestions
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10-09-2021, 04:13 PM
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#2 |
    Drives: 2012 Victory Red LFX Join Date: Dec 2012
Location: west central Texas
Posts: 1,367
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I think there was a TSB for the torque converter clutch regulator valve on the Camaros and some of Chevys other models. I know the vibration was common on the V8 trucks too.
Chevys AFM sure was a piece of crap for owners.
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'18 SS wheels, colored matched Heritage grille, actual driving lights, ZL1 strut tower brace, GM Performance billet aluminum fuel door, victory red rotors and calipers, 1/4 window American flags, splash guards, AEM dry panel air filter, Hot Wheels steering wheel and seat covers, Hot Wheels exterior emblems.
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10-09-2021, 05:12 PM
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#3 | |
     
Drives: ABM #93 Join Date: Oct 2018
Location: Lotaburger
Posts: 3,188
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Quote:
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ABM #2399 2SS/RS:SOLD
ABM #93 2SS/RS Black Rally stripes, Titanium Interior 4,000 miles: GM GFX side skirts and diffuser waiting on paint, GM dovetail, GM heritage, RPI ZL1 style splitter. ‘87 IROC-Z Iroc blue. all original unmolested with 50K miles. |
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10-09-2021, 08:29 PM
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#4 |
Drives: 2011ss/rs camaro Join Date: Sep 2011
Location: florida
Posts: 1,261
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If no vibes with AFM/DOD disabled….Have it turned off permanently with a tune.
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 . OBX LTH,Rotofab,Magnuson Heartbeat.AEM wideband, HP Tuners |
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10-10-2021, 02:55 AM
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#5 | |
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Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020
Location: Swiss, Geneva
Posts: 71
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Quote:
What AFM/DOD consists of ? 4 electronic hydro compensators ? |
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10-10-2021, 07:52 AM
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#6 |
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Drives: 2011ss/rs camaro Join Date: Sep 2011
Location: florida
Posts: 1,261
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Absolutely and It’s controlled by the ECM….save the popcorn for the movies and tune out the bad vibes
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. OBX LTH,Rotofab,Magnuson Heartbeat.AEM wideband, HP Tuners |
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10-11-2021, 05:10 AM
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#7 | |
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Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020
Location: Swiss, Geneva
Posts: 71
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Quote:
I went to the GM dealer. When AFM system is ON everything is OK. Vibrations and kicks happens while driving during changing from OFF to ON and conversely. They said that the engine oil pressure on idle is 20 psi and this can be a reason. But GM dealer does not know what to do and how to solve this problem. Oil is 5W30, stock pump. Any suggestions? |
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10-11-2021, 11:00 PM
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#8 |
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Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020
Location: Swiss, Geneva
Posts: 71
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Found OBDII device on Amazon, Range Technology Plug & Play AFM/DFM Active Fuel Management Disabler Compatible with GM Vehicles RA003B.
Does anybody used this one ? |
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10-12-2021, 05:07 PM
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#9 | |
 
Drives: 2015 ss rs 2ss Join Date: Dec 2020
Location: mn
Posts: 22
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Quote:
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10-12-2021, 08:44 PM
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#10 | |
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Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020
Location: Swiss, Geneva
Posts: 71
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Quote:
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10-13-2021, 05:38 PM
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#11 | |
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Drives: 2015 ss rs 2ss Join Date: Dec 2020
Location: mn
Posts: 22
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Quote:
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10-13-2021, 05:39 PM
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#12 | |
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Drives: 2010 Camaro SS2,L99, LSA SC Join Date: Aug 2017
Location: Huntsville, AL
Posts: 2,450
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Quote:
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10-14-2021, 04:42 AM
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#13 | |
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Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020
Location: Swiss, Geneva
Posts: 71
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Quote:
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01-25-2022, 03:39 AM
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#14 |
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Drives: 2011 Chevy Camaro 2SS A/T Join Date: Feb 2020
Location: Swiss, Geneva
Posts: 71
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Anybody could help with restoring DOD/AFM ? Its this kit (x2) is enough ?
https://www.ebay.com/itm/224342306459 |
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