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Brake booster leak

Tech Talk for Mitsubishi owners.

Moderator: -Scott-

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Posts: 160
Joined: Thu Oct 02, 2003 9:18 am
Location: Brisbane

Brake booster leak

Post by n_dorphin »

Hey guys,

My 89 has just started loosing brake fluid.
It is leaking out from between the brake booster and the metal pole that hold the fluid reservoir.

Do I need to replace both items?

Thanks
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Location: Adelaide

Post by steverisingsun »

Just the master cylinder
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Post by hudson44 »

steverisingsun wrote:Just the master cylinder
x2
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Joined: Thu Oct 02, 2003 9:18 am
Location: Brisbane

Post by n_dorphin »

What part is that?
Sorry for another stupid question....

Jason
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Joined: Wed Jul 20, 2005 6:44 pm
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Post by hudson44 »

n_dorphin wrote:What part is that?
Sorry for another stupid question....

Jason
Its the main cylinder with the fluid reservoir on top and with pipes hanging out of it. Without sounding rude, if you don't know what it is i would not attempt to change it yourself as it will need bleeding afterwards.
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Post by bakerboy »

yeah, just the MC not too hard to replace and will cost bout 150 for a new one
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Posts: 160
Joined: Thu Oct 02, 2003 9:18 am
Location: Brisbane

Post by n_dorphin »

Thanks guys,

Any tips/tricks for replacing MC?
Will get one today.

Thanks
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Posts: 160
Joined: Thu Oct 02, 2003 9:18 am
Location: Brisbane

Post by n_dorphin »

Hey Guys,

Just found you can get rebuild kits for Master Cyliders....
Anybody done this before? Hard?

Thanks
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Joined: Wed Jul 20, 2005 6:44 pm
Location: Melbourne

Post by hudson44 »

Its not that hard, howvever on a vehicle of that age the cylinder wall may be pitted and require honing. If you plan on keeping it then i would recommend you have it re-buit professionally or get a new one.
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Post by -Scott- »

Personally, I go for stainless sleeved cylinders, where possible.

As for hard? I've rebuilt motors, installed a body lift, replaced my front diff, re-built carbies, done carby conversions and converted a carb car to EFI - but I've never had success bleeding brakes - go figure. :roll: I take brake problems to a professional.
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