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  1. #1

    Default engine noise - possible oil pan area

    have 2004 z71 with 5.3 L motor, bought new, extremely well maintained. Never over 3 k miles between oil changes...Have engine clicking noise, and almost sounds like a chirp, or metal barely rubbing against metal, in flywheel area...mostly sounds like in oil pan area. Noise just started....gets a little quieter when engine warmed up...but still very noticable. Not the clatter most people complain about that sounds like lifter noise. Could it be oil pump noise, or something loose in lower crankcase ? - The ticking or chirping noise does increase on acceleration. - Need your input or ideas.

  2. #2

    Default

    Quote Originally Posted by tmcintire View Post
    have 2004 z71 with 5.3 L motor, bought new, extremely well maintained. Never over 3 k miles between oil changes...Have engine clicking noise, and almost sounds like a chirp, or metal barely rubbing against metal, in flywheel area...mostly sounds like in oil pan area. Noise just started....gets a little quieter when engine warmed up...but still very noticable. Not the clatter most people complain about that sounds like lifter noise. Could it be oil pump noise, or something loose in lower crankcase ? - The ticking or chirping noise does increase on acceleration. - Need your input or ideas.

    I had the Same Sound......2 weeks ago,My first thought was the Fly Wheel......But turned out to be the Starter....the gears in the starter were not Disengaging after Start up and the sound was only there went on the gas.......put in New Starter,No more sound.
    Last edited by 99'HEARTBEAT; 05-02-2010 at 12:13 PM.

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  3. #3

    Default

    You may want to change your oil and filter. Maybe filter is blocking some oil flow....
    John

    06 Red GMC 4X4 CrewCab 4.8L
    MagnaFlow Muffler
    Lubed by AMSOIL...

  4. #4
    Master Mechanic Dr_Zero's Avatar
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    Default

    I had a weird chirping sound thought maybe water pump alternator ??? well when I smelled the tell tale burning rubber smell I found my idler pulley had now seized.
    My trucks!

    1996 GMC Suburban SLT
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