Brake system nightmare

Big lumps of metals and spanners. Including servicing and fluids.

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ghost123uk
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Re: Brake system nightmare

Post by ghost123uk »

serenitycamper wrote:there is no extra travel if I attempt to hook my foot under the pedal and pull it higher,

There should be a bit of slack at the top. Check that master cylinder operating rod for the correct adjustment.
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Re: Brake system nightmare

Post by CovKid »

You should be able to feel this gap if you press lightly on the pedal with your hand.
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Re: Brake system nightmare

Post by serenitycamper »

Ordered a new master cylinder, so we'll see after that.

The American guys recommend changing the MC if the fluid hasn't been changed within three years. Failure is a common problem in these circumstances over there.

Onwards and upwards :ok
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Re: Brake system nightmare

Post by California Dreamin »

serenitycamper wrote:Ordered a new master cylinder, so we'll see after that.

The American guys recommend changing the MC if the fluid hasn't been changed within three years. Failure is a common problem in these circumstances over there.

Onwards and upwards :ok

Failure because: water in the system promotes corrosion.
Also manual bleeding (where the old seals are forced over wear ridges in the cylinder) can sometimes lead to inverted seals/seal damage.
I wouldn't necessarily agree with this 'automatic' approach as brakes can be pressure or vacuum bled and if the 'manual bleeding method is used, care can be taken to 'slowly depress the pedal with a fully open bleed nipple (this minimizes risk of tandem seal damage)

Just make sure there is play in the brake 'push rod' with the pedal in its 'rest' position.

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