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    odd engine rasping sound - any ideas

    on my year old 987 boxster s, when starting from cold, no problems for about the first couple of minutes. then, when i hit about 2,000 rpm, i get a nasty rasping sound from the engine. this happens most noticeably when i ease of the throttle, e.g approaching traffic lights, and the revs drop to the aforementioned 2,000. after another couple of mins, the noise disappears and doesn't return until starting up from cold.

    anyone else have this noise, or know anything about it?

    thanks

    Re: odd engine rasping sound - any ideas

    Could be the oil pressure relief valve/cylinder thing?
    That's a known non-critical issue, and they have a new part to fix it. Happens most obviously when slowing down at slow speed, and the rpm passes through 2000.

    Does it sound a little like a 'mooing' noise?

    Re: odd engine rasping sound - any ideas

    not mooing, but high pitched metallic rasping is about best i can do. certainly happens when slowing down at slow speed, but only happens for a few mins and then goes. suppose i should get it seen to before the warranty runs out!

    Re: odd engine rasping sound - any ideas

    It's a known recall for replacement of the oil pump pressure relief valve. Your dealer should do this FOC.

    Re: odd engine rasping sound - any ideas

    thanks for the input lads. car's going in next week.

    cheers

    Re: odd engine rasping sound - any ideas

    You're most welcome.
    If it's not the above, let us know!

    Re: odd engine rasping sound - any ideas

    I think the car may be toast.
    It sounds as if the engine is basically melting, and the particular problem you have is one that quickly distributes to the rest of the car, and soon the car will be corroded totally.
    I suggest you sell the car very, very quickly, and because I am such a generous (and manly) man, I will happily help you, by purchasing your car for 1000$.
    Yes, I know.
    It sounds like a lot for a basically dead car - but I cant help myself. When I see people in trouble, I just wanna help.













    Re: odd engine rasping sound - any ideas

    Dr Phil, you are all heart. I don't know how anyone could refuse such a kind and generous offer.

    Re: odd engine rasping sound - any ideas

    Quote:
    dreamcar said:
    Dr Phil, you are all heart. I don't know how anyone could refuse such a kind and generous offer.



    Yes, I know. People call me naive, but I just cant help myself. This dumb old heart just wants to help others. Ah, well, that's just me. Old Mr Helpful

    I would extend the same courtesy to you, if only you had a set of useless 19" Carrera S rims, but unfortunately you just swapped cars.
    But by all means, let me know if you need my help in that department.

    Re: odd engine rasping sound - any ideas

    ah...dr phil, like dreamcar suggests, you are a generous man. certainly generous with some of that famous danish falling down juice, which judging by the time of your posts, you may have had a little sip of!!!

    if the car starts to show further signs of melting, and becoming toast, i will smear it in marmite and sell it to you for $500. can't say fairer than that...can i??

     
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