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328 buzzing sound after engone shutdown

Discussion in 'Technical Q&A' started by dhs-9, Oct 30, 2005.

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  1. dhs-9

    dhs-9 Formula Junior

    Feb 6, 2004
    292
    #1 dhs-9, Oct 30, 2005
    I noticed from my 328 after I shutdown the engine and with the key removed a periodic buzzing noise coming from I think the engine area (not sure). It lasted for about 10 minutes coming and going once every 1-2 min for about 5-10 seconds at a time then it stopped. Anyone have any idea what this could be.

    Thanks
     
  2. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,932
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    #2 Steve Magnusson, Oct 30, 2005
    It's probably your fuel evaporation system moaning and groaning -- try removing the fuel filler cap (to relieve the pressure) as the first test.
     
  3. loki

    loki Guest

    Jul 25, 2005
    227
    #3 loki, Oct 30, 2005

    That was my first thought too, but possibly coolant being noisy. Try to isolate the noise.
     

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