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Is this my cat making all this noise?

This is a discussion on Is this my cat making all this noise? within the General Help forums, part of the LSx Technical Help Section category; https://www.facebook.com/#!/video/vi...ideo_processed...

  1. #1
    Junior Member psycho_puppies's Avatar
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    Is this my cat making all this noise?


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    Veteran 0rion's Avatar
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    link doesn't work

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    ^^ no link. but if its a rattle that changes with engine RPM its very likely, I had some aftermarket cats that kept shaking pieces loose and they would make some pretty loud rattles

  4. #4
    Junior Member psycho_puppies's Avatar
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    This should work

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    Retired NOT tired SteveC's Avatar
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    Thumbs down

    I am not an expert by any means on these vehicles, it sounds like a rod knock to me.

    SteveC

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    Veteran 0rion's Avatar
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    Quote Originally Posted by SteveC View Post
    I am not an expert by any means on these vehicles, it sounds like a rod knock to me.

    SteveC
    I agree....sounds way more serious than a cat. Mic's don't always transfer the sound correctly but that sounds pretty bad IMO.

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    Member Guerrillakilla13's Avatar
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    I can't get the video to work on my mobile, it happens when your car is on in general? How does it sound when you drive?
    2014 Camaro: Check. 2SS: Check. 1LE: Check. 6 Speed manual? CHECK

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    TJEA Retirement Home Dr.Crash's Avatar
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    Sounds to consistent to be a cat. I had a cat blow out on my SS and it was a more inconsistent rattle

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    Junior Member psycho_puppies's Avatar
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    Quote Originally Posted by 0rion View Post
    I agree....sounds way more serious than a cat. Mic's don't always transfer the sound correctly but that sounds pretty bad IMO.
    The car drives fine. I have an appointment with the dealership on Monday because the Cats in my car are still under warrenty. Also, when I bang on the right cat with a rubber mallet it replicates the noise. The car only had 27k on the clock.

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    Member Guerrillakilla13's Avatar
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    wow and I honestly didn't think catalytic converters could go bad..thanks for proving they can GM.

    OP keep us updated

  11. #11
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by Guerrillakilla13 View Post
    wow and I honestly didn't think catalytic converters could go bad..thanks for proving they can GM.

    OP keep us updated
    Problems with GM cat's are common..


    OP..

    It sounds exactly how my 01 Camaro sounded when the cat shit the bed..

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    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by Guerrillakilla13:2777233
    wow and I honestly didn't think catalytic converters could go bad..thanks for proving they can GM.

    OP keep us updated
    Typically an engine not running correctly is what causes them to fail prematurely.
    It's on jackstands.

  13. #13
    Junior Member psycho_puppies's Avatar
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    I will let you all know when they tell me. I hope to know by tomorrow afternoon.
    Quote Originally Posted by Guerrillakilla13 View Post
    wow and I honestly didn't think catalytic converters could go bad..thanks for proving they can GM.

    OP keep us updated

  14. #14
    Member Guerrillakilla13's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Typically an engine not running correctly is what causes them to fail prematurely.
    I would hope that isn't the case with our cars... LS1's are beast and reliable

  15. #15
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by Guerrillakilla13 View Post
    I would hope that isn't the case with our cars... LS1's are beast and reliable
    Mine had ~80k and nothing wrong either.. GM cats = junk.

  16. #16
    Junior Member psycho_puppies's Avatar
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    The dealership just called. Both cats are bad.

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    Member Guerrillakilla13's Avatar
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    Both of them?? Wow..at least they're covering the cost

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    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    Quote Originally Posted by psycho_puppies View Post
    The dealership just called. Both cats are bad.
    Yup the sound your car and mine were making can be confusing as it sounded like the engine is/was coming apart on mine aswell.

    Cut my old one out and sure enough the grid/mesh inside was broken in two.

    Too bad I had to cut up a perfectly good exhaust to find out.
    Last edited by Smittro; 05-21-2012 at 01:13 PM.

  19. #19
    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by Guerrillakilla13 View Post
    Quote Originally Posted by 35th-ANV-SS View Post
    Typically an engine not running correctly is what causes them to fail prematurely.
    I would hope that isn't the case with our cars... LS1's are beast and reliable
    Just was a general statement. There is/was a warranty claim issued for our cars about premature failure for the catalytic converters.

  20. #20
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    ^^ yupp there was a recall on the cats had mine replaced for free the driver side one went with only 22k miles on it

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