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Thread: Toyota Vitz Pick after Brake issue

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    Default Toyota Vitz Pick after Brake issue

    Hi,

    I recently bought an unregistered Vitz 2007 (new shape). I am facing some pick issues. When I apply the brake, even after releasing the brake pedal, car still tries to decelerate. The pick becomes zero and then I've to accelerate it more than normal to make the car move.

    Any idea, what is happening..?

    Thanks!!


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    Default

    can u hear the wheel bearing sound?
    Life is short and very unpredictable just like a Quarter mile .....

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    Default

    No, I didn't hear any such sound or noise.

    Sometimes, even without applying brake, when I release my accelerator, car seems to be heavily loaded for a few seconds, then it becomes normal. At that moment, it literally seems like someone has applied brake for those few seconds.

    One thing to tell, wheel alignment is needed. Is this the culprit?

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    Default

    maybe the rear drum brakes are tight

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    Default

    @fahadsoulsnatcher911

    Might be. But why it happens for a short period. If the drum brakes are tight, then shouldn't it be felt in the whole drive, why only for a few seconds.

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    Default

    I think that the brake piston on one or more sides is sticking and not letting go of the brake pad once you take the foot off the brake. But once you accelerate, the piston slowly moves back to its normal position.

    To check if that is the case, after driving around normally and stopping at your destination, touch each wheel to check if it becomes too hot. If one or more wheels are too hot to touch than the rest, the problem is with that particular brake piston.
    Never argue with an idiot, they drag you down to their level and beat you with experience.

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    Default

    dear if all above not giving u best result
    just change gear oil/ atf if auto gearthink it
    thankz

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    Default

    @whiteangel
    Well, this is quite possible. Many thanks!! I'll surely check that..

    @zeegee63
    I've recently changed gear oil and all other major lubricants. The problem was there before and after changing lubricants.

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    my father experienced similar problem in his prado,,,,,,,,thr was something wrong with the abs at tht time,,,,,brakes were ok,but some other sensors were doing this! bcz this happens for few seconds only!

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    @affan555
    hmm.. How did ur father solved the problem? Any details of those sensors..?

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    Default

    You have a binding brake piston on a wheel or either have an internally collapsed rubber pipe to that wheel, When the pipe collapses internally it can act like a one way valve for a second as fluid is not able to travel backwards.

    To test apply brakes and start off again then stop the car and touch a wheel to isolate which one is the hottest, The hottest wheel is your culprit wheel, your remedy is stated above.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Default

    @Xulfiqar
    Thanks for the info. I checked the wheels in the way u suggested, two front wheels were somewhat hotter than the rear ones but still they were not too hot.

    Anyways, I'll share the results when I get it checked.

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    Default

    Adnan i got the same problem that u have in ur vitz,
    i bought unregister vitz 2008 two week ago 21k km driven, i changed the engine oil filter n plugs but the problem is still there....
    adnan do letme knw if ur problem solve bcoz itz irritate the driver alot.
    0345-3034667 this is my no plzz letme knw if problem solved..
    thanx in adv

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    and i think bcoz of this my car is giving 9 -10 km/L
    watz ur car average is??

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    Any1??????????????

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    Default

    Sorry Romiii for the late reply..

    No, my car avg is fine, almost 15 Km/L.

    I asked Toyota guys, they said there is not any problem in the car. It happens in the Vitz that the car releases itself after some time. Still, I am not satisfied.

    If you use high octane, the problem becomes lesser. Moreover, when the car is decelerating, if you put your gear to Neutral, everything becomes perfect. From the above observations, it seems to me that in low speeds, car remains in the gear (low gears) and it behaves in the same way as any manual car in low gears behave when neither accelerator nor clutch is applied.

    Please share your observations too..

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