Warning,Check your car.......
#21
Shelby GT350 Member
Join Date: January 17, 2006
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The plumbers tape method works, just don't get any in the brake fluid reservoir.
Wrap a couple three wraps around the threads (what thread there is) and then replace the cap. Keep an eye on it, but that seems to fix it.
You would think Ford would know and fix this by now.
Wrap a couple three wraps around the threads (what thread there is) and then replace the cap. Keep an eye on it, but that seems to fix it.
You would think Ford would know and fix this by now.
#22
Moved this topic since it is not "GT performance related" since it affects the V6 models as well. Glad you guys posted this info. I just took a look at my car and found the same thing.
#23
Mach 1 Member
Join Date: October 17, 2004
Location: Phoenix, AZ.
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I also had a trace of brake fluid on the top and seam around my resevoir. No paint damage though below. But since I hand tightened the cap and wiped off the resevoir it seems to be dry after some driving. I must admit I really "hand tightened" it very tight. Does anybody know if teflon tape will work on the threads like plumbers tape? Is it the same thing? I have some teflon tape used for pvc pipe. Come on there must be some plumbers out there. Thanks.
#24
Originally Posted by OKCMustangGT
The plumbers tape method works, just don't get any in the brake fluid reservoir.
Wrap a couple three wraps around the threads (what thread there is) and then replace the cap. Keep an eye on it, but that seems to fix it.
You would think Ford would know and fix this by now.
Wrap a couple three wraps around the threads (what thread there is) and then replace the cap. Keep an eye on it, but that seems to fix it.
You would think Ford would know and fix this by now.
#27
Tasca Super Boss 429 Member
I am trying something new.
I have a rubber gasket that I found on a fairly new oil filler cap. It is the exact same OD as the ID of the cap.
I removed the cap and took out the rubber and placed my rubber gasket in between the cap and the rubber. I had to trim the inside of my gasket because there are 3 nubs in the cap I wanted to clear.
I carefully put a little extra down pressure re-installing the cap so I wouldn't damage the plastic engagements ( i.e., threads).
I report back after a few more miles and tell you if it really works.
I have a rubber gasket that I found on a fairly new oil filler cap. It is the exact same OD as the ID of the cap.
I removed the cap and took out the rubber and placed my rubber gasket in between the cap and the rubber. I had to trim the inside of my gasket because there are 3 nubs in the cap I wanted to clear.
I carefully put a little extra down pressure re-installing the cap so I wouldn't damage the plastic engagements ( i.e., threads).
I report back after a few more miles and tell you if it really works.
#28
legacy Tms Member
mine seeps too- 'looks' like the seam, as thats where it collects, but it comes from the cap and dribbles down- gotta wipe it off every couple weeks before enough collects around the seam to drip off. Ive heard if you remove enough brake fluid to bring it down to about the midpoint between add and full, it stops...read somewhere the gasket just has a couple slits for breather...not good as its gonna get moisture inside too. Ford really needs to make a 'bellows' type gasket that can suck down in like on the oldschool iron masters...would be difficult though as the reservoir is so large. bad thing is Ive forgot, havent wiped mine off for a few weeks...- think I'll go check right now before I forget again.
#29
legacy Tms Member
Originally Posted by karman
I am trying something new.
I have a rubber gasket that I found on a fairly new oil filler cap. It is the exact same OD as the ID of the cap.
I removed the cap and took out the rubber and placed my rubber gasket in between the cap and the rubber. I had to trim the inside of my gasket because there are 3 nubs in the cap I wanted to clear.
I carefully put a little extra down pressure re-installing the cap so I wouldn't damage the plastic engagements ( i.e., threads).
I report back after a few more miles and tell you if it really works.
I have a rubber gasket that I found on a fairly new oil filler cap. It is the exact same OD as the ID of the cap.
I removed the cap and took out the rubber and placed my rubber gasket in between the cap and the rubber. I had to trim the inside of my gasket because there are 3 nubs in the cap I wanted to clear.
I carefully put a little extra down pressure re-installing the cap so I wouldn't damage the plastic engagements ( i.e., threads).
I report back after a few more miles and tell you if it really works.
#30
Tasca Super Boss 429 Member
Originally Posted by ford4v429
careful there- I think the original has cuts for breather- if a solid gasket placed above it, could lead to vacuum in the reservoir as pads wear, causing pedal issues, or cavitation in the abs pump if it tries to activate.
#31
legacy Tms Member
Originally Posted by karman
The original rubber has room to move. In the old days, you would see the flexible part of the rubber pull in as it needed to. I'll see what happens. I may actually need to "check my fluid" like in the old days.
#32
Tasca Super Boss 429 Member
Originally Posted by karman
I am trying something new.
I have a rubber gasket that I found on a fairly new oil filler cap. It is the exact same OD as the ID of the cap.
I removed the cap and took out the rubber and placed my rubber gasket in between the cap and the rubber. I had to trim the inside of my gasket because there are 3 nubs in the cap I wanted to clear.
I carefully put a little extra down pressure re-installing the cap so I wouldn't damage the plastic engagements ( i.e., threads).
I report back after a few more miles and tell you if it really works.
I have a rubber gasket that I found on a fairly new oil filler cap. It is the exact same OD as the ID of the cap.
I removed the cap and took out the rubber and placed my rubber gasket in between the cap and the rubber. I had to trim the inside of my gasket because there are 3 nubs in the cap I wanted to clear.
I carefully put a little extra down pressure re-installing the cap so I wouldn't damage the plastic engagements ( i.e., threads).
I report back after a few more miles and tell you if it really works.
I put the car on inclines and drove through sharp curves and so far ...nothing!!!
I'll post if anything changes.
#33
I have had Ford replace my brake fluid resevoir cap once, but the leak is still there. I tried the teflon tape, but it started to leak again shortly after that trick. What should worry all of us is that the fluid leaking out means humid air is getting into the reservoir to replace the leaking fluid. Why is this a concern? Because brake fluid is hygroscopic. That means it easily absords humidity from the air, which in turn reduces the boiling temperature of the fluid. The fluid leaks occur when the brakes are used and heat builds in the fluid. The leaking and absorbtion of water vapor from the air reduces the boiling temp and decreases brake fluid efficiency. Has anyone else noticed your brake pedal is softer and travels further now after several thousands of miles compared to when it was new? This is a safety issue. Ford needs to fix this soon or they will face some brake failures and law suits.
#34
Yeah I have the leaking but seems to be around the center seam of the reservoir and not the cap.
Although I suppose it could leak from the cap and down into the seams, but it's dry as a bone around the cap.
Although I suppose it could leak from the cap and down into the seams, but it's dry as a bone around the cap.
#36
Banned
Join Date: October 13, 2004
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Originally Posted by Joediveguy
I wonder if they (FORD) will pull the motor and paint my engine compartment under warentee or blame the leak on my aftermarket Shaker, CAI, Tune, Spoiler, ect, ect, ECT!!!!!!
I tried a piece of extra rubber with a slit cut in it, and it worked for about a month last year and it seemed the plastic cap stretched out of shape.
My buddy has a 2001 Escape, and this exact issue occurred, the dealer replaced the master cylinder 3 times, before Ford released a revised cap, it has not leaked since.
Every Mustang I've seen does this. Thankfully I have no stripped paint because I've been wiping off the top every so often.
FYI - My dealer has replaced the cap twice so far.
#37
My dealer left the cap and removed some of the fluid and it still does the leaky-seepy thing. Next O/C will include this little issue and that TSB for the hesitation!
PS: Thanks for the reminder to check paint!
PS: Thanks for the reminder to check paint!
#38
Originally Posted by SonicStanGirl
TSB for the hesitation!
!
!
#39
I just check my 06 GT and its leaking too. It looks terrible a nice clean engine bay but then grim trapped on the brake fluid reservoir! Im going to take this into my dealer along with my complaint of vibrations while braking and a pull to the left while braking.