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brake fluid reservoir leak 


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 Post subject: brake fluid reservoir leak
Posted: Wed Apr 25, 2012 6:22 pm 
Fordmods Newbie

Posts: 12

Joined: 4th Oct 2005

Location: brisbane
QLD, Australia

Hi everyone,

Noticed a brake fluid leak that appears to originate from between where the fluid reservoir meets the master cylinder. It seeps out, runs down the back of the master cylinder and down the brake booster onto the chassis rail and has done some damage to the paint there.

My car is an AU series 3 falcon. I was wondering how to go about replacing the seals where the reservoir and master cylinder marry up.

How do I remove the reservoir?
Where can I get these seals?
Is it worth replacing the seals rather than the whole master cylinder (had a look on ebay, they are a couple of hundred for the whole unit)?

cheers thanks.
 Post subject: Re: brake fluid reservoir leak
Posted: Wed Apr 25, 2012 10:54 pm 
Stock as a Rock

Age: 30

Posts: 184

Joined: 23rd May 2006

Ride: NA / NL fairlane, 08 honda civic

Location: Ipswich
QLD, Australia

I removed the one from the fairlane recently. there should be a screw holding it on directly between the master cylinder and the reservoir when you remove it you should be able to pull it off . make sure to drain the fluid first. check from there if there is any damage to any of the components.

I don't think my one had seals on it from what i could tell but i did not take much notice.

Also you may as well clean it up while you have it out.

Re seating it back into place after cleaning up the ports and the reservoir may fix your problem

Use new fluid in it when done.





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 Post subject: Re: brake fluid reservoir leak
Posted: Wed Apr 25, 2012 11:57 pm 
Technical Contributor
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Ride: 96 XH/97 EL

Location: South Coast
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96 XH Longreach 'S': LPG, Alarm, 3.23:1 LSD, Cruise, Trip Comp, ABS, Power Windows, Mid Series Dome Lt, Climate Ctrl
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 Post subject: Re: brake fluid reservoir leak
Posted: Thu Apr 26, 2012 6:33 pm 
Getting Side Ways
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Age: 50

Posts: 6467

Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

This is an AUII, and would probably be the same. There is a little bolt that holds the res. in place, I think it is 7mm.....???
The head of the bolt is facing the mudguard. It is a " Shouldered " bolt, hence, it doesn't actually clamp onto the plastic res.
Don't overtighten it, just a little nip is all that is required.



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