Thread: knocking sound

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  1. #1 knocking sound 
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    YouTube - 100 0346
    YouTube - beautiful GTP sound
    help please idk what it is, i need to diagnose it..thanks
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  2. #2 Re: knocking sound 
    GTP Level Member 01gpgt01's Avatar
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    SOunds like the flex plates broken or the balancer has come apart. Is it louder by the bell housing?
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

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  3. #3 Re: knocking sound 
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    louder idk haha...its like everywhere but i think on the passenger side
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  4. #4 Re: knocking sound 
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    Quote Originally Posted by 01gpgt01 View Post
    SOunds like the flex plates broken or the balancer has come apart. Is it louder by the bell housing?
    just what i was thinking from the video sound like it is louder on the trans side so i think flex plate....i just went threw that problem
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  5. #5 Re: knocking sound 
    GTP Level Member 01gpgt01's Avatar
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    Yeah it sounded louder in the video near the bellhousing. But it was hard to tell. Id pull the inspection cover off and hit the flex plate and see if it sounds broke and inspect it for obvious cracks
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

    2009 Hummer H3 Solar flare premium
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  6. #6 Re: knocking sound 
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    i hope its only the flex plate, cause i don't wanna dig into the motor for anything else
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  7. #7 Re: knocking sound 
    GTP Level Member 01gpgt01's Avatar
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    Well sorry to inform you but to get to the flex plate you gotta remove the engine or trans lol
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

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  8. #8 Re: knocking sound 
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    lol i know....but thats easier and cost less then replacing anything inside the engine, cause i just done a lim gasket change last week
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