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ticking in engine bay heard in cab when driving

Discussion in 'Chevy C/K Truck Forum' started by 95WT, Oct 6, 2009.

  1. 95WT

    95WT Member

    i think it is an alternator bearing but it is in sync with engine revolutions(1 tick per 1000rpm), just a tick, tick, tick and speeds up with rpm's as well, this doesnt sound like a rocker or anything engine mechanical, it sound more of a pully or drive belt system tick

    4.3 v6 is the engine
  2. unplugged

    unplugged Epic Member 5+ Years 1000 Posts

    Check the plug wires.:glasses:
  3. jmckee6

    jmckee6 Rockstar

    There's a small shroud, I think it's a heat shield on the passenger side at the base of the engine block, it made ticking noises on mine, you could check that if you get time.

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