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Very concerning sound upon startup...

Discussion in 'VF Holden Commodore (2013 - 2017)' started by Paulie81, Jan 14, 2019.

  1. Paulie81

    Paulie81 Active Member

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    I own a 2016 VFII Redline in Manual. It's been virtually trouble free for the two years I have owned her. This Christmas I had my Uncle start the car in my garage and the sound upon startup was a loud mechanical clanking noise which lasted a couple seconds and then went to normal idling sound. I let the car idle for about 30 seconds, turned it off and restarted her but the second time round the sound did not occur. I left the car in the garage and started it the next day and the same clanking sound happened again and then went to a normal idle within seconds. This time I took the car for a short drive and everything seemed normal. Since then I have used the car and the sound has not returned however it has left me quite concerned as I have no idea what it was and if it caused and damage. One possibility that may have caused the original sound is that my uncle may not have pressed the clutch in all the way in or released it too soon upon starting the car. He is a bit shorter than me and didn't adjust the seat when he got in. Any thoughts??
     
  2. Forg

    Forg Well-Known Member

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    Do you know when your car was built?
    A question for others - which build date range does the lifter issue in LS3's affect?

    Paulie81, have you checked the condition of the oil? If you've got concerns about something having happened, I wonder if a simple oil+filter change will assuage your fears, especially if there's no sign of any more problems.
     
  3. blackve76

    blackve76 Well-Known Member

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    Normal ls lifter rattle just louder in garage. Any more than 5 secs then worry
     
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  4. Paulie81

    Paulie81 Active Member

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    From memory it's a Septeber 2016 Build. I thought the lifter issue was only for some FY17 models?

    What do I need to look for in the oil condition? The car is up to date on servicing and has only done 19,900 KMS
     
  5. Paulie81

    Paulie81 Active Member

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    I have seen the other threads on lifter noise and piston slap and its nothing like that noise as it was way more abrupt and loud. My poor uncle freaked out as it sounded like a shovel was attached to my flywheel. Is there a possibility of the starter motor or some related components getting stuck from not applying full pressure on the clutch upon startup?
     
    Last edited: Jan 14, 2019
  6. VS 5.0

    VS 5.0 Well-Known Member

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  7. Paulie81

    Paulie81 Active Member

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  8. Paulie81

    Paulie81 Active Member

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    Here is what the oil looks like today. IMG_7289.jpg
     
  9. 07GTS

    07GTS Well-Known Member

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    its not just loud belt squeals as it fires up ? a/c on when it starts soon as it get past crank to run mode it engages adds more load squeals then gets few rotations and its fine
     
  10. Paulie81

    Paulie81 Active Member

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    So used the car numerous times since the incident and that noise has not reoccurred. Im 99% convinced it had something to do with the way my uncle started the car. He either didn't press the clutch in all the way or released it to early on startup. Any thoughts as to what that would do?
     
  11. ChRiDDa

    ChRiDDa Active Member

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    The vf has that auto start mechanism where you don’t need to hold the key in the start position until it starts - the mere fact of momentarily turning the key to start before releasing will run the starter motor until the engine fires

    My guess is that the key has been held (and not released) in the start position even after the engine has fired
     
  12. 1985VK

    1985VK Active Member

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    A 2 year old engine with oil that looks like that? Yech ... how many kms has it done since the last oil change?
     
  13. Paulie81

    Paulie81 Active Member

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    About 4500kms. Last service was end of June last year.
     
  14. snortings

    snortings Active Member

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    Sound like this? This is mine...

    Just realised my car was posted earlier up too :p

     
  15. 1985VK

    1985VK Active Member

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    Do you think its due? Does it smell ok? Oil change intervals are controversial.
     
  16. rognvald261

    rognvald261 Active Member

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    Since VE holding the key on start doesn’t keep the solenoid engaged like old, is still one Start command sent by turning the key, turning key whilst running doesn’t send command.
     
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  17. tml678

    tml678 Well-Known Member

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    Being manual, wouldn't the car have lurched forward (or backwards, depending on gear) if that were the case?. If it was in neutral then there is no reason for a noise to occur.

    It's an SSVR.. it has push button start.

    What's wrong with that oil, or am I missing something?
     
    Last edited: Jan 21, 2019
  18. 1985VK

    1985VK Active Member

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    Its a 2 year old engine ... how dark and dirty do you want it to be?
     
  19. tml678

    tml678 Well-Known Member

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    Well considering that one of the main jobs of oil is to clean as well as lubricate, there is absolutely no obvious issue with that oil as far as I can see. It's 4500kms old and not overly dark. Again, unless I'm missing something, it looks completely normal.
     
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  20. rognvald261

    rognvald261 Active Member

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    Yeah I think is not mechanical per sé, rather poor combustion causing knock something like the fuel issue on incline mentioned above.
    You either need it checked with Holden or log startup yourself.
     

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