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Weird Micra acceleration problem

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  • 03-01-2009 4:18pm
    #1
    seamus
    Registered Users Posts: 68,317 ✭✭✭✭


    Howdy all, google gave me nothing so thought I might get an easy answer here. :)

    The OH's micra has been acting weird since it was last serviced. Overall it drives fine, but when you go to accelerate quickly (i.e. foot to the floor), the revs shoot up, but the car's speed only increases slowly to match those revs. It basically feels like the clutch is constantly slightly pressed - it works fine at lower revs, but once you try push it hard, this happens. Is it possible that the clutch was slightly overtightened by the garage?

    Any ideas? :)


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    #2
    the merchant
    Registered Users Posts: 547 ✭✭✭the merchant


    Your clutch is slipping alright by the sound of things.
    The mechanic may have over-adjusted the clutch cable but it may just be worn due to normal wear and tear. How long is it since the service was done and did this start to happen straight away?

    Also if the clutch has been slipping for a while for whatever reason, adjustment alone mightn't do the trick.


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    #3
    cianclarke
    Registered Users Posts: 1,389 ✭✭✭cianclarke


    seamus wrote: »
    Howdy all, google gave me nothing so thought I might get an easy answer here. :)

    The OH's micra has been acting weird since it was last serviced. Overall it drives fine, but when you go to accelerate quickly (i.e. foot to the floor), the revs shoot up, but the car's speed only increases slowly to match those revs. It basically feels like the clutch is constantly slightly pressed - it works fine at lower revs, but once you try push it hard, this happens. Is it possible that the clutch was slightly overtightened by the garage?

    Any ideas? :)

    Is it possible it's because it's a micra?

    Sorry. Poor form. :D


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    #4
    Tigger
    Closed Accounts Posts: 16,705 ✭✭✭✭Tigger


    clutch is slipping

    loosen off the cable and see if that helps
    if its been done a few times the clutch will need replacing


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    #5
    JackFrosty
    Closed Accounts Posts: 191 ✭✭JackFrosty


    Dont all micras slip the clutch when driving!!!!!!!!!!!!!!!!


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    #6
    Tigger
    Closed Accounts Posts: 16,705 ✭✭✭✭Tigger


    JackFrosty wrote: »
    Dont all micras slip the clutch when driving!!!!!!!!!!!!!!!!

    no

    micras are cool


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    #7
    JackFrosty
    Closed Accounts Posts: 191 ✭✭JackFrosty


    Tigger wrote: »
    no

    micras are cool
    Jury is out on that one!


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    #8
    craiginireland
    Closed Accounts Posts: 872 ✭✭✭craiginireland


    I had a micra and never had a problem with it. Had two cars since and nothing but problems :(


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    #9
    2qk4u
    Registered Users Posts: 1,163 ✭✭✭2qk4u


    Its time for a new clutch....


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    #10
    Darragh29
    Closed Accounts Posts: 7,097 ✭✭✭Darragh29


    seamus wrote: »
    Howdy all, google gave me nothing so thought I might get an easy answer here. :)

    The OH's micra has been acting weird since it was last serviced. Overall it drives fine, but when you go to accelerate quickly (i.e. foot to the floor), the revs shoot up, but the car's speed only increases slowly to match those revs. It basically feels like the clutch is constantly slightly pressed - it works fine at lower revs, but once you try push it hard, this happens. Is it possible that the clutch was slightly overtightened by the garage?

    Any ideas? :)

    It sounds like this could be what happened OP. To check if the clutch has been overadjusted, do the following:

    (1) Precautions, engine off and car in neutral.

    (2) Open bonnet and find clutch fork that will be sticking out of the bell housing area of the gearbox.

    (3) A rule of thumb is that there should be at least half an inch play in the clutch fork travel. I think when you check this, you'll find no clearance or play whatsoever, which means when you are driving, the clutch is actually partially engaged.


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    #11
    seamus
    Registered Users Posts: 68,317 ✭✭✭✭seamus


    Cheers guys, I'll take a look at it during the week. It was only serviced around the middle-end of last year and as far as I can tell it's been doing it since then, but I don't drive it very often if I can at all help it (it's purple!).

    Her gearbox has been giving her hassle, so maybe the clutch is screwed, but hopefullly Darragh, your tips will yield success.


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