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Whining noise

Discussion in 'VZ Holden Commodore (2004 - 2006)' started by OCO0012, Nov 8, 2018.

  1. OCO0012

    OCO0012 New Member

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    Hi I have this whining noise sound like its coming from the dash any ideas?
     
    Last edited by a moderator: Nov 9, 2018
  2. Benboy

    Benboy Well-Known Member

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    Difficult to analyse without seeing it however does it sound like wind rushing through a partly closed vent ? perhaps your activating solenoid that controls air intake vents may be faulty ! Good luck.
     
  3. OCO0012

    OCO0012 New Member

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    I tried uploading a sound recording with the post but it failed. and no its more like a vacuum cleaner but a lot higher or a mosquito but louder
     
  4. Fu Manchu

    Fu Manchu Active Member

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    Does it happen at start up and then go away?
    Is the car idling ok?
    Do the vents change ok?
    Is this happening with or without the air con on?
     
  5. OCO0012

    OCO0012 New Member

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    Noting to do with start up.
    She idles good for a car that has done 261000 there is a slight flicker of the RPM meter but noting to worry about and a slight shake but noting to complain about.
    interesting that you mention the AC and vents, I hardly use the AC so I did not notice but the vents wont change off the dash window setting till now.
    with the AC on or off tried that last time it come on to see if it could help.
    is there a way to upload audio?
     
  6. wetwork65

    wetwork65 A wet business

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    Sounds like the air con vacuum system manifold or lines are leaking or vac too low to operate actuators. If you are fortunate could be just lack of vac from engine due to blocked line or NR valve in vac line from intake. My VZ defaulted to air on dash only when vac from engine dropped e.g. when car travelling in load uphill. This meant taking dashboard out to access the manifold, so never fixed it. Sold car in meantime.
     
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  7. OCO0012

    OCO0012 New Member

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    The AC vents change now so Im not sure whats going on now
    good to know that tho could be something to go off.
     
  8. wetwork65

    wetwork65 A wet business

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    Check when accelerating uphill as an example - do the vents change air direction to dash only? That will show if there is a vacuum leak in a/c switching system (hoese or manifold). Used to give me the sh!ts.
     
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  9. OCO0012

    OCO0012 New Member

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    its working now can switch vents and it did not change when going up the hills at 45 degrees so I don't know what is going on there. I checked no manifold leak.
    what do you mean when you said (This meant taking dashboard out to access the manifold, so never fixed it.)
    the manifold is under the rocket cover in the engine bay? it should have only taken 10 to get to.
     
  10. wetwork65

    wetwork65 A wet business

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    Yep correct the engine intake manifold is under the bonnet. I meant the vacuum reservoir manifold inside the dashboard. Best left well alone if you can find the whining elsewhere.
     
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  11. OCO0012

    OCO0012 New Member

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    thanks that helps fill in the gaps I have to take the dash off at some point any way for another fix.
    I once had a phone mount the type that slides into the vent, one off the rubber clips fell down the vent could that be causing any problems?
     
  12. Dizzy86

    Dizzy86 Member

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    Hi guys, quick question, my t56 on my vz ss thunder won’t go in to reverse unless slightly rolling back, also sometimes it whines wen changing into 5th or 6th, usually I just pop it back to neutral and put it back in and is sweet again, anyone no what it could be & would it be a simple fix or is a new box in order. Has 130000k’s
     
  13. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    Not to be obvious but don't you think you should have started your own thread or possibly posted in a thread with a relevant topic?
     
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  14. Dizzy86

    Dizzy86 Member

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    Well not to be obvious but as a new member!! Still working out the forum & the heading is whinnying noise so thought I’d ask, as a staff member you think you would be helping rather than criticising. No problem though will just stop using the forum altogether. Thanks for your help, excellent staffing skills immortality
     
  15. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    You've managed 15 other posts so.......
     
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  16. Dizzy86

    Dizzy86 Member

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    Yeah well I work 7-days a week so forgive me if I don’t read every message, for me this forum is for knowledge & convenience as I have been away for last 10yrs until early this year so I saw heading whinnying noises & thought good place to ask the fellas, as much as I love my vz v8 I don’t have the knowledge most u guys have so I ask, no harm in asking that’s how u learn, I woke up this morning bout to leave for work and I saw your post, obviously I’m out of my element, but I thought that was one of the reasons for a forum, to learn & discuss.
     
  17. Fu Manchu

    Fu Manchu Active Member

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