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  1. #1
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    'All Astras sound like that....'

    Hello,
    I have a 2007 Sri-t, which makes a whirring sound which is quite specific. Sounds a bit like a badly earthed stereo kind of sound. I've taken it to my local garage, who told me after not much investigation, all astras sound like that. That may well be true, but I'm not convinced.

    The sound occurs with engine revs, between 1500 and 2700 rpm. The speed of the car doesn't change it, and it occurs at staionary as well. It happens in all gears, and with the clutch in or in neutral. So between those rev ranges, the sound is the same if I'm in 5th on the freeway, or in 3rd in the back steets, or any combination between. Its loud enough that it is louder than the engine.

    My thoughts are something that spins is noisy, like a pully etc. Do other owners have similar noise? I'm fine it they do; I'll just turn the stereo up! I just don't want to miss a water pump dying or something. I've had a listen around the engine bay, and the noise is hard to pin point. Has had timing belt done, and new clutch.

    Thanks for any help Click here to enlarge
    Click here to enlarge Warning: This is an Old Thread
    This discussion is older than 120 days. information contained in it may no longer be current . Please think of the children before resurrecting this ancient thread!

  2. #2
    OpelAus King Dingaling guy 27's Avatar
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    look up m32 gearbox issues.
    04 Astra Sri - Silver - Full red leather interior - mk4 888 wheels - Star light roof lining - lowered - ice - exhaust - vxr brakes - quite a few other things.
    my ride - no longer faster than qlds sri-t's
    OEM+
    04 Astra Linea Rossa - Build thread


  3. #3
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    Thanks Guy. I did start there, but the noise is still present in neutral, and stationary, and in all gears. So I hoped I'd ruled that out. Would the M32 bearings be noisy even in neutral?

  4. #4
    OpelAus King Dingaling guy 27's Avatar
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    @nigelh might be able to shed some light.

    Could it also possibly be one of the bearings on alternator or aircon
    Last edited by guy 27; 7th May 2017 at 10:11 AM.
    04 Astra Sri - Silver - Full red leather interior - mk4 888 wheels - Star light roof lining - lowered - ice - exhaust - vxr brakes - quite a few other things.
    my ride - no longer faster than qlds sri-t's
    OEM+
    04 Astra Linea Rossa - Build thread


  5. #5
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    Thanks again Guy. I'll try nigleh

  6. #6
    OpelAus Forum Regular ope11's Avatar
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    Hey Guy u might be right
    .i had similar issue .
    thought it was a clutch so i replaced it with a custom clutch
    day later and gearbox let go

    Sent from my SM-G900I using Tapatalk

  7. #7
    OpelAus Forum Regular ope11's Avatar
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    I had the same noise sparkie
    Sounds like probably something in gearbox rubbing .

    Sent from my SM-G900I using Tapatalk

  8. #8
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    Thanks for replying mate. I've researched the gearbox symptoms a bit. I'm hoping the fact it makes the noise in neutral and stationary might let me off the hook. Like you I thought clutch and changed it but still the same. I don't believe the mechanic though. It can't be normal

  9. #9
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    Hey man i think i have the same problem. My mechanic said that it is the oil pressure being taken up to the required level. He also said that all Astras sound like that. Here is a video link, hopefully someone more knowledgable can shine some light on this problem.

    https://www.youtube.com/watch?v=YDM2fl7fnQA

  10. #10
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    Click here to enlarge Originally Posted by Arkos Click here to enlarge
    Hey man i think i have the same problem. My mechanic said that it is the oil pressure being taken up to the required level. He also said that all Astras sound like that. Here is a video link, hopefully someone more knowledgable can shine some light on this problem.

    https://www.youtube.com/watch?v=YDM2fl7fnQA
    That does sound very much like mine; same sort of sound but maybe a little less noisy. I can learn to ignore it if I know it's not something that's about to blow!

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