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Thread: Astra Convertible 05 - twang sound?

  
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    Astra Convertible 05 - twang sound?

    Hey Guys & Gals,

    Had a rush of blood to the head a few weeks back and bought the Mrs an Astra Convertible 1.8i Exclusive (new from dealer).

    Car is great spec and got a pretty good deal and the wife loves it.

    I have noticed one thing however, when you set off after the car has been parked and switched off, you get a twang sound a bit like the noise you used to make with a ruler on your desk at school (for those of you with a mis-spent childhood like me).

    Any ideas?, is it a common one or should I fire back at the dealer - it is under warranty but I didn't know if it was some sort of odd characteristic down to ESP or something and wanted to find out a bit more before I explain to the local Vauxhall dealer whose incompetence seems to know no bounds, in fact they are pioneering new levels of incompetence, world leaders some might say.

    Any advice greatly appreciated.

    Regards


    KeZ

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    Sten's Avatar
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    absolutely no idea... but welcome to A.S
    Previous Astras: 1994 Cesaro 1.8 16v | 2002 SXi 1.6 16v | 2001 Coupé 2.0 Turbo | 1999 LS 1.6 16v
    Other Vauxhalls: 2001 Vectra 1.8 16v| 2003 Vectra GSi 3.2 V6 | 2005 Signum CDTi 150

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    Mine does the same thing, as i reverse out of the garage, turn the wheel one way and then back i hear a "twang" also, someone told me its the spring housing or summet...

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    Can it be fixed then or is it one of those learn to live with it type things?

    It doesn't really bother me, I am more checking to ensure it isn't something that needs attention as I don't really drive the car.

    Regards


    KeZ

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    I dunno if it can be fixed or if its "normal" i havent really looked into it...

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    This was one of the very first questions I ever asked.

    Its the ABS pump pressurising, there is some kind of valve inside that makes a twang sound, you should be able to feel it through the brake pedal.

    also you'll notice the pedal slowly drops if you keep your foot pressed on it while stationary, thats to prevent the ABS pump getting overloaded according to the dealer

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    Legoman is correct, as I had the same thing on the GSi and I questioned the dealer and they confirmed it. Usually happens when the car is started from cold, but its ok when warmed up. Still annoying though lol.

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    edit: beat me to it legoman!

    Im glad you did, I wasnt sure what it was? only that it was quite normal :-D

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    it will be the ABS valves opening up

    they do that after 10mph IIRC
    Ibiza FR CR TDI with 203 BHP

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    i,ve had 3 coupes and they,ve all done it as i pull out if my drive.now i know wat it is

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