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what is this... lol please help

This is a discussion on what is this... lol please help within the General Help forums, part of the LSx Technical Help Section category; Just started out of the blue.....

  1. #1
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    artic white
    1998

    what is this... lol please help

    Just started out of the blue..

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    Former Mopar Man 2002ssslp's Avatar
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    That one is hard to tell. Have you over reved the engine lately or has the oil gauge dropped at anytime ?
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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    Retired NOT tired SteveC's Avatar
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    That is a "rod knock" if I ever heard one, you MIGHT have a clogged oil port, you may consider draining out about a quart of oil, and replacing it with a quart of transmission fluid, run the engine @ 2k rpm for about 5 minuets, drain the oil, change oil and filter, then start it up. With any luck the transmission fluid MAY have unclogged the port, if not it is rod or lifter replacement time.

    JMHO

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    artic white
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    Quote Originally Posted by SteveC View Post
    That is a "rod knock" if I ever heard one, you MIGHT have a clogged oil port, you may consider draining out about a quart of oil, and replacing it with a quart of transmission fluid, run the engine @ 2k rpm for about 5 minuets, drain the oil, change oil and filter, then start it up. With any luck the transmission fluid MAY have unclogged the port, if not it is rod or lifter replacement time.

    JMHO
    ill give that a try... the ticking sounds very shallow in the motor..
    I dont think I have over rev'ed it in a very long time lol..

  5. #5
    Spaz is My Mentor SMWS6TA's Avatar
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    sorry I can't hear anything....

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    is it the same warm or cold?
    2000 SS Conv, M6, Onyx - SLP Lid, CAI, TTS LTs, AFR 205s, 220 224 581 581 114, Z6 Int. & clutch, 3.73s, GMMG, ASP, 160 stat, Rapid tune, STB, LCAs, Brkts, SFCs, SLP 1LE, Hurst Billet+.TTIIs (Gunmetal), BFG KDWs. 406rwhp, 376rwtq + 2011 Camaro Vert Triple Black

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    artic white
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    Quote Originally Posted by DaddySS View Post
    is it the same warm or cold?
    I havent warmed it up enough to know

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    Moderator 35th-ANV-SS's Avatar
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    Doesn't sound like piston slap or a bent push rod to me.

    Have you been able to use a long screwdriver or similar to try to pin point the origin of the sound? Like, where it is coming from? Hopefully not from the bottom end.

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    artic white
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    Quote Originally Posted by 35th-ANV-SS View Post
    Doesn't sound like piston slap or a bent push rod to me.

    Have you been able to use a long screwdriver or similar to try to pin point the origin of the sound? Like, where it is coming from? Hopefully not from the bottom end.

    Well we narrowed it down to the drivers side head ... now just have to play the impossible game of can I remove this without pulling the dam motor

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    Smiles for 9.5 Years cammed goat's Avatar
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    For added peace-of-mind, check the manifold and gasket for leaks before you pull the head. A leaky manifold/gasket could mimic a rod knock.
    Last edited by cammed goat; 04-16-2014 at 06:32 PM.

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    Former Mopar Man 2002ssslp's Avatar
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    Bad rod bearing.

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    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by 2002ssslp View Post
    Bad rod bearing.
    How would it be a bad rod bearing if he said it's at the top of the motor?
    It's on jackstands.

  13. #13
    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    How would it be a bad rod bearing if he said it's at the top of the motor?
    The sound is coming from the bottom end and transmitting up through the engine compartment. Trust me, it's a bad rod bearing.

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    I like turtles GTP231's Avatar
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    I'd climb underneath and put a stethoscope on the pan or block. That pitch sounds like bottom end or a cracked flex plate if you have an automatic

  15. #15
    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by GTP231 View Post
    I'd climb underneath and put a stethoscope on the pan or block. That pitch sounds like bottom end or a cracked flex plate if you have an automatic
    A cracked flex plate will sound exactly like a worn rod bearing. I don't know if he has an A4 or M6.

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    Quote Originally Posted by GTP231 View Post
    I'd climb underneath and put a stethoscope on the pan or block. That pitch sounds like bottom end or a cracked flex plate if you have an automatic
    I took the valve cover off and started my car and now the sound is completely gone... and we cant find anything wrong wtf lol

  17. #17
    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by Joseph_98 View Post
    I took the valve cover off and started my car and now the sound is completely gone... and we cant find anything wrong wtf lol
    Do you have aftermarket rocker arms ?

  18. #18
    Smiles for 9.5 Years cammed goat's Avatar
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    Agree with Keith. Might have a rocker arm that is out of adjustment if it's aftermarket.

  19. #19
    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by 2002ssslp View Post
    The sound is coming from the bottom end and transmitting up through the engine compartment. Trust me, it's a bad rod bearing.
    OK. I trust you.

  20. #20
    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    OK. I trust you.
    Well, it sounded like a bad rod bearing to me at the time. lol

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