A simple fix the brake oil reservoir leak.
#21
No wonder Ford is going broke ,took mine in they replaced the whole master cylinder, still leaks so they spent money for nothing, and all they have to do is find a gasket that works for about .25 cents.
#22
Legacy TMS Member
Who can we contact at Ford engineering to get this dumb problem fixed?
It needs one of 2 things:
* new reservoir with a float that comes all the way to the top (possible solution)
* thicker cap gasket to prevent seepage (definitely a solution)
Git'R'DONE!
It needs one of 2 things:
* new reservoir with a float that comes all the way to the top (possible solution)
* thicker cap gasket to prevent seepage (definitely a solution)
Git'R'DONE!
#24
#25
Legacy TMS Member
How much teflon tape did you use? I used maybe 2-3 wrappings and although it didn't feel thick, it awaits to be seen if it works.
BTW
I confirmed that the Mustang GT reservoir cap is NOT compatible with the standard 3-prong caps used on older/previous Fords. The pressure brake bleeders won't work without a custom made cap (as in buying a spare cap and mounting a fitting).
BTW
I confirmed that the Mustang GT reservoir cap is NOT compatible with the standard 3-prong caps used on older/previous Fords. The pressure brake bleeders won't work without a custom made cap (as in buying a spare cap and mounting a fitting).
#28
Legacy TMS Member
#29
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I went with the new gasket route, and still got a little leaking, although not nearly as much. It is seated on so tight it takes both hands to get on and off. I noticed the fluid level was all the way to the top, so, I took the brake fluid level down to half way between the max and the min markings, and now no more leaks.
#31
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#32
Legacy TMS Member
Thanks Buster. It seems we all have the same reservoir markings. I too siphoned out the fluid until it was halfway between the MAX and MIN marks.
#33
We've been kicking this around for a while now, and it appears to be a widespread problem with '05-'07 Mustangs. The cause of the problem is simple to describe.
The top of the filler neck, where the cap gasket is supposed to seal, is not flat. Apparently, the moulding process for the plastic reservoir didn't work right. So, you can have the reservoir replaced by the dealer, and if you luck out like I did, you'll get one that seals.
Or, you can figure out a way to smooth out the sealing surface of that lip. Either by scraping it smooth with a sharp blade, sandpapering it, or whatever. Just don't get any chips or sanding dust into the fluid.
The top of the filler neck, where the cap gasket is supposed to seal, is not flat. Apparently, the moulding process for the plastic reservoir didn't work right. So, you can have the reservoir replaced by the dealer, and if you luck out like I did, you'll get one that seals.
Or, you can figure out a way to smooth out the sealing surface of that lip. Either by scraping it smooth with a sharp blade, sandpapering it, or whatever. Just don't get any chips or sanding dust into the fluid.
#34
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I remember someone posting that after putting the washer in the cap they were hearing strange noises coming from the brakes...it will be interesting to see if anyone else reports the same...
#35
Tasca Super Boss 429 Member
#36
Legacy TMS Member
Removing brake fluid makes sense with that gasket design. Shaving the neck of the reservoir doesn't seem to make a lot of sense, since the gasket is pushing down and conforming to all of the uneven surfaces. The ridges you see aren't molding defects but rather appear to be part of the design.
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