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Thread: Ticking from the front of the motor...

  1. #1
    ctsvdubbz's Avatar
    ctsvdubbz is offline Cadillac Owners Fanatic
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    Ticking from the front of the motor...

    Checked everything up top.. Header bolts, rockers, coils,... Ticking seems to be coming from the front.. Put a stethescope right behind the crank pulley.. Seems to be real loud right there.. Could it be a timing chain issue cuz i was leaning towards that and plan to change it.. But just wanted some input see if anyone else had any ideas...

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    Litlgangsta is offline Cadillac Owners Fanatic
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    Re: Ticking from the front of the motor...

    *bump* I to have this problem and would like to hear some opinions.

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    Re: Ticking from the front of the motor...

    Geez, those timing chains last well past 100k miles unless they're driving a very serious camshaft at very serious RPMs.

    How many miles do you have?

    Could it also be one of the front rods (loose cap)? Can you post up a vid with audio?
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    ctsvdubbz's Avatar
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    I will post a video.. Last summer i let my little brother take it for a day.. Came back with a broken valve spring and a slightly bent valve... Im thinking maybe a bent pushrod also? Would that tick? All the work was done by a machine shop n changed everything in the head except pushrods...

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    Re: Ticking from the front of the motor...

    Quote Originally Posted by ctsvdubbz View Post
    I will post a video.. Last summer i let my little brother take it for a day.. Came back with a broken valve spring and a slightly bent valve... Im thinking maybe a bent pushrod also? Would that tick? All the work was done by a machine shop n changed everything in the head except pushrods...
    Yes, a bent pushrod can cause a tick.

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    Re: Ticking from the front of the motor...

    Quote Originally Posted by darkman View Post
    Yes, a bent pushrod can cause a tick.
    i agree, but not in this location. i think what he is hearing is likely a bearing in an accessory drive pulley/tensioner pulley.

    i can't envision a scenario in which an impending timing chain failure would make a ticking sound.

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    D3l7a3ch0's Avatar
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    Re: Ticking from the front of the motor...

    would you say it's more of a tickticktick tick tick ticktick or more of a tick ticktick tick tick ticktick

    there's a little bitty change...it's not the same, that little bitty "ting"

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    Re: Ticking from the front of the motor...

    delta, it could be the rear end. he might need some octane booster to get it figured out for sure.

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    ls6v is offline Cadillac Owners Member
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    Re: Ticking from the front of the motor...

    mine ticks and I only have 8700 miles on my 04, especially when the motor is cold, is this a common thing or should I be pooping? its like a mild lifter tick sound

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    Re: Ticking from the front of the motor...

    for real, though, robojesus, I think he should try a speed density tuen

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    Took off the main belt... Still ticked.. Used a stethoscope.. I know they arent always 100 percent accurate... Seems reql loud on the bottom right below the crank pulley..

    ----------

    Definitely right in the front...

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    Re: Ticking from the front of the motor...

    crank or rod bearing maybe!?!?!

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    Seems like a bearing would be more of a pronounced knock instead of a tick.

    Where's that video?

    And the cold ticking is most likely piston slap which is somewhat common on yhe ls6 when the motor is cold.

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    D3l7a3ch0's Avatar
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    Re: Ticking from the front of the motor...

    Quote Originally Posted by ctsvdubbz View Post
    Took off the main belt... Still ticked.. Used a stethoscope.. I know they arent always 100 percent accurate... Seems reql loud on the bottom right below the crank pulley..

    ----------

    Definitely right in the front...
    is that where the oil pump is located

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