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engine noise - possible oil pan area

Discussion in 'GM Powertrain' started by tmcintire, May 1, 2010.

  1. tmcintire

    tmcintire New Member

    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. 99'HEARTBEAT

    99'HEARTBEAT Epic Member Staff Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor


    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: May 2, 2010
  3. detailjohn

    detailjohn Rockstar 100 Posts

    You may want to change your oil and filter. Maybe filter is blocking some oil flow....:neutral:
     
  4. Dr_Zero

    Dr_Zero Epic Member 5+ Years 500 Posts

    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.
     

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