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Thread: Vitz 99 Brakes Issue

  1. #1
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    Default Vitz 99 Brakes Issue

    Hi All,,

    I have vitz 99 and am currently facing a brakes issue. The brakes work perfectly on CNG and Petrol, but when A/C is turned on, suddenly they become hard. The situation worsens when car is in 1st gear and very low speed, the brakes almost get jammed at very low speeds, but as soon as the car gets motion again, the brakes are good to go.

    The issue is there with the brakes only when the AC is turned on. So, i think it is some power distribution issue, but am not sure.

    Also, just to add, when the car starts from halt(zero speed) with A/C turned on , the pick is almost zero and i have to turn the A/C off to get it running.

    Kindly if some experts can help me out here and perhaps refer me to some reliable person.


  2. #2
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    Default

    same priblem here exactly with my vitz99. Sum 1 plz help
    BEST THINGS IN LIFE R NEVER FREE

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    Default

    Its brake booster's vacuum problem so check for any vacuum leakage when your turn on the AC. Vitz have many VSV's (vacuum switched valves) so you have to check those valves that operate at AC On specially.

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    Default

    Same problem here in Vitz 2000 model.Somebody please help....

    @fas133

    How to check VSV's?

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    Default

    This happens with 60 - 70% of the vitz here in PK on CNG, all you need to do is to get your car tuned for a level where it is more intend towards performance than economy.

    Don't get it too much tuned for performance otherwise your economy will fall down.

    Believe me nothing wrong with your brake and all.... you can test this with A/C and Petrol.
    http://www.flickr.com/rkhurshid

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    Default

    Quote Originally Posted by doctor View Post
    Same problem here in Vitz 2000 model.Somebody please help....

    @fas133

    How to check VSV's?
    You have to check these valves for any vacuum leakage.

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    Default

    visit aa CNG mechanic... he'll adjust the settings..i found medina cng (mr kashif) on jail road to be the best
    JDM cars rock! Bus duty khatum karo pls

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    Default break issue

    Quote Originally Posted by hdaackda View Post
    visit aa CNG mechanic... he'll adjust the settings..i found medina cng (mr kashif) on jail road to be the best

    Can you please give his number

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    Default

    can you please give his number

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