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Brake Servo failure

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Old 29 September 2022, 04:57 PM
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Donie
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Default Brake Servo failure
Hi Lads

The brake servo on my sti hawk is leaking brake fluid.
Can I replace this with one off blobeye? Or doesn't it have to be one off another Sti Hawk?

Thnaks
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Old 29 September 2022, 05:10 PM
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1509joe
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If it's coming out of the servo there's something wrong with the master cylinder.
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Old 29 September 2022, 06:27 PM
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Donie
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Default Brake servo failure
Originally Posted by 1509joe
If it's coming out of the servo there's something wrong with the master cylinder.
there is oil leaking from front of servo where cylinder is attached to it.
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Old 29 September 2022, 07:25 PM
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Don Clark
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Originally Posted by Donie
there is oil leaking from front of servo where cylinder is attached to it.
Master cylinder seals gone
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Old 29 September 2022, 07:46 PM
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Originally Posted by Don Clark
Master cylinder seals gone
Can that be changed without servo being removed?
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Old 29 September 2022, 09:36 PM
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Yes a doddle but will need the whole system bled.
Make sure to prefill the cylinder.
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Old 30 September 2022, 09:10 AM
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Donie
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Thanks Lads
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Old 30 September 2022, 09:40 AM
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I haven't removed the cylinder yet , but what seal normally goes?
Is it a brake cylinder seal kit that i need? Got quoted £98 for kit, do i need a kit or a single seal.
Brand new master cylinder for £210
Last edited by Donie; 30 September 2022 at 09:47 AM.
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Old 30 September 2022, 10:38 AM
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Do yourself a favour and get a new one or at least a known good one
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