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Thread: Brakes a bit on the spongey side...

  1. #1
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    Default Brakes a bit on the spongey side...

    My brake pedal needs to be pushed a bit further than it used to... Brakes still stop the car fine and it's just passed an MOT, but most of the time, the first inch or so of pedal travel does nothing at all.

    Just wondering how to firm up the pedal... What's the most common reason for this happening on a 2004 Vec C? (76k on the clock).

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    Vehicle : Vectra

    Trim : Design

    Engine : 1.9CDTi

    Year : 2005

    Mileage : Lots

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    When was the last fluid change? Might be worth bleeding them all with fresh fluid.

  3. #3
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    I did the fluid a while back but I'm a bit worried that I've got air in the ABS pump...

    Brake pedal sometimes feels firmer after I've deliberately caused the ABS to kick in.

    I know to do a full bleed you need to use Tech2 to open the ABS system. Can this be done without Tech2?

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    Vehicle : Vectra

    Trim : Design

    Engine : 1.9CDTi

    Year : 2005

    Mileage : Lots

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    When I did mine with my dad I just left the engine running then bled as normal. Are you sure you need Tech2 for that? I thought seen as the fluid has to go through the ABS system anyway (or as far as I know it does) any air would be pushed out like normal?

  5. #5
    Regular Member markj23's Avatar
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    just a tip might not be correct get someone to press pedal while you check the flex hoses where the join the caliper the hose might have a bulge this makes the pedal go funny

  6. #6
    Regular Member Danwells72's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : 1.9 cdti 150

    Year : 2004

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    Also try pressing the pedal hard when the engine is off and waiting for it to sink to the floor, hold that for 5-10 seconds then do it again. It will force the air bubbles back through the system. I had to do this when i upgraded my brakes as i drained the fluid to put dot5.1 in

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