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Hollow noise on start up only when cold (video)

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by kevbu, Mar 25, 2013.

  1. kevbu

    kevbu Member

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    Hi all, wonder if you could run a collective ear over this video i shot this morning.

    A4 tdi noisey cold start - YouTube

    It only does it when cold 1*c or less, its a strange noise, just wondering if anyone has similar experience.

    It starts with a rattle, then a metallic hollow sound (like draining the dregs of a milkshake through a straw) sometimes a little longer than this one, then its gone.
    Its done it before and after fresh oil and filter service.

    My first thought was something to do with the starter motor not disconnecting, but why only when cold weather?
     
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  3. stu_m

    stu_m Well-Known Member
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    could be the starter gear sticking

    the grease could be going hard
     
  4. kevbu

    kevbu Member

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    Thanks for reply. That was my first thought.
    Also had a few dead key then catching moments, I'm now thinking solenoid?
     
  5. stu_m

    stu_m Well-Known Member
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    defo sounds like starter to me that happened to mine and it just got worse really quickly
     

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