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Whistling/whine from engine at idle

Discussion in 'VF Holden Commodore (2013 - 2017)' started by warrick, Apr 26, 2019.

  1. warrick

    warrick Active Member

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    happens in gear or out,goes when rev engine a bit.cant hear it driving.it is quite loud and high pitched.
    VFSeries 1 6.0 auto
    cheers for any help
    warrick
     
  2. stooge

    stooge Active Member

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    might be one of the pulleys, with the engine running put a long handled screw driver onto the bolt of the pulley and put your ear on the handle.
    doing that can find which one if it is one.
     
  3. warrick

    warrick Active Member

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    thanks for the reply. i was thinking the same,maybe the serpentine belt tensioner.
    will check tomorrow
    many thanks
    warrick


    ps.doesnt sound any worse on the pulley.
     
    Last edited: Apr 27, 2019
  4. 45WW

    45WW New Member

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    Hey bud..
    You got the little bugger too!
    Try...!
    Warm start...not hot to touch.
    Squeeze the top radiator hose full fist hard, listen for change in dynamics of the noise.
    Still under warranty???
     
  5. warrick

    warrick Active Member

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    there is a slight change.i cant squeeze that hard though,arthritis. no warranty. noise is not there on cold start,has to be warm/hot. using the screwdriver trick it seems worst around where the top radiator hose joins the motor,on the metal connection, but you can hear it on a few different spots.resonance i think.
    cheers
     
    Last edited: Apr 27, 2019
  6. warrick

    warrick Active Member

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    bit of an update.went to local mechanic and he thinks it is the alternator. i dont. the noise seems related to heat and water. as the motor warms up
    the thermos cut in and the noise slowly goes away until the fans cut out ,temp goes up a bit,noise slowly gets louder,fans cut in and the cycle begins again. i am thinking water pump?
    peoples thoughts?
    cheers
    warrick
     
  7. stooge

    stooge Active Member

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    it could be the water pump, the screw driver trick normally works pretty well by putting it as close to the suspect area while the noise is happening then you move away and see if the sound drops off.
     
  8. warrick

    warrick Active Member

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    thanks for the replies.have been really busy so havent looked any further yet. hopefully next week i will have some time.
    cheers
    warrick
     
  9. warrick

    warrick Active Member

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    looks like its the water pump. is it worth paying the extra for a genuine holden pump or aftermarket do the job just as well?
    cheers
    warrick
     
  10. stooge

    stooge Active Member

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    I have used both over the years and have not noticed any difference.
    price them both then decide what you want to do.
     
  11. abuch47

    abuch47 Active Member

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    Last edited: May 8, 2019
  12. warrick

    warrick Active Member

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    thanks for the interest guys
    cheers
     
  13. Lex

    Lex Well-Known Member

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    abuch47 likes this.
  14. warrick

    warrick Active Member

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    i think if i was chasing HP i might give it a try, but those days are behind me.
    cheers
     

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