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Thread: brakes

  1. #1
    Regular Member SarahP's Avatar
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    Default brakes

    well as some are aware for previous posts i have been having problems with my brake pedal being spongy and having to bleed the brakes often after having front brakes done around 18 month ago.. we wre advised it 'could' be a caliper but we werent too sure.. spoke to an older mechanic today ( who strangely enough we somehow just got chatting) and he said it sounds like the master cylinder is at fault producing a spongy pedal.. i asked how why he thought that and he said they usually have to go careful with vectras esp in the year mine is because if you dont open the bleed nipple and have to force a caliper back it can damage it.. so.... I asked who fitted our brakes if he had done this (open nipple) and he said he didnt but one of the calipers was abit tricky ....

    could this be what is wrong, the master cylinder???? and how much does it cost to replace/fit?

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    Vehicle : Vauxhall Astra-J

    Trim : Elite

    Engine : 2.0 CDTi

    Year : 2013

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    Quote Originally Posted by SarahP View Post
    i asked how why he thought that and he said they usually have to go careful with vectras esp in the year mine is because if you dont open the bleed nipple and have to force a caliper back it can damage it
    Not "damage" as such. The rubber seals can flip over. I would imagine stripping it down and either correcting the seals to their correct orientation or fitting a new seal kit (if obtainable?) would solve it should that be the problem.

    Thing is though, if the seals have flipped, then the brakes would hardly work at all. From what you're saying, they're ok for a while, then you have to bleed them again. You need to establish where the air is getting into the system.

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    Regular Member SarahP's Avatar
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    well the brake fluid level doesnt go down so were not losing anything from there.. yes youre right theyre ok then pedal goes spongy, sometimes have to pump pedal twice quickly, thats when we bleed them again, would a front caliper be sticking?

  4. #4
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    Vehicle : Vauxhall Astra-J

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    I can't help with a solution, but I STRONGLY suggest you stop driving the car until you have it fixed.

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