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04-04-2013, 04:02 PM
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#1 |
   
Drives: 2011 2SS/RS A6, IOM Join Date: May 2009
Location: West Los Angeles
Posts: 1,236
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Loud clicking from engine on cold start
The car sat in the garage for about 5 days. When I started it this morning there was a loud clicking sound from the engine which diminished as it warmed up. Time for a trip to the dealer? Still under full warranty.
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04-04-2013, 04:09 PM
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#2 |
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Drives: 2011 2SS/RS A6, IOM Join Date: May 2009
Location: West Los Angeles
Posts: 1,236
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Read an earlier post
The guy called it chirping and I said clicking. Maybe the same thing.
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"...when the driver steps on the gas, I want him to
s--t his pants." Enzo Ferrari |
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04-04-2013, 04:16 PM
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#3 |
      
Drives: 2012 Camaro 2SS/RS Join Date: Jul 2010
Location: Cleveland, OH
Posts: 3,267
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Could just be valve train noise. I've been told the LS engines tend to be noisy in that respect. Someone even went so far as to say their engine sounded like a sewing machine.
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04-04-2013, 04:20 PM
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#4 |
 
Drives: Victory Red 2011 2SS W/RS package Join Date: Feb 2013
Location: Houston Tx
Posts: 53
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Mine sounds like it might be a lifter quits after a few seconds
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04-04-2013, 04:27 PM
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#5 | |
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Account Suspended
Drives: 2012 2SS CAMARO 45th Join Date: Apr 2011
Location: St. Charles, IL
Posts: 18,663
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Quote:
You should hear some of the older 5.3L ls based trucks. |
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04-04-2013, 06:39 PM
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#6 | |
 Drives: 2012 LS3 CRM, V8 Healey, Mini Join Date: Jun 2012
Location: MI
Posts: 103
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Quote:
http://www.pistonslap.com/whatisit.htm I had an '05 GTO that had piston slap on start-up at 3K miles. I read on the GTO forum that GM didn't take it seriously so I didn't bother - it was traded in for my Camaro with a quart of Lucas oil addiditve.  I've heard that it can also be injector noise sometimes. |
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04-04-2013, 06:40 PM
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#7 |
 Drives: 2013 2SS Convertible, LS3 Join Date: Mar 2013
Location: Republic of Texas
Posts: 361
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I would take it in.
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04-04-2013, 06:43 PM
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#8 |
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Drives: 2011 2SS/RS A6, IOM Join Date: May 2009
Location: West Los Angeles
Posts: 1,236
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Thanks all
Turns out I'm going to my independant guy for some suspension mods. (better bushings) and he says he'll check it out and let me know if I should take it in.
__________________
"...when the driver steps on the gas, I want him to
s--t his pants." Enzo Ferrari |
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04-04-2013, 07:20 PM
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#9 |
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Account Suspended
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This is probably the only thing I don't like about my Camaro..
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04-04-2013, 08:28 PM
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#10 |
Drives: 2013 SW 2LS Join Date: Feb 2013
Location: Northern NJ
Posts: 870
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I know you said yours is an SS, but my LFX engine sounds a lot like that too. I'm wondering if its something inherent with GM powertrains?
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04-05-2013, 06:59 AM
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#11 |
Drives: 2010 Camaro 2LT RS Join Date: Sep 2012
Location: Long Island
Posts: 1,425
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It's normal on some of these motors, as long as it goes away when it warms a little don't worry about it.
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04-05-2013, 07:54 AM
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#12 |
  
Drives: SUMMIT WHITE 2SS/RS CAMARO Join Date: Feb 2008
Location: 2018: Lakewood Ranch, Fl.
Posts: 8,112
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It's most likely a lifter your hearing.
There's a GM service bulletin re the lifters on the L99 engine. Do a search under: noisy lifters. Lots of info on the threads & posts there.
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