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  #1  
Old 06-20-2011, 03:30 AM
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Brake fluid problem

E99 f250 7.3 4x4

I am loosing brake fluid, just topped off the reservoir with last fill up and 170 miles into it the reservoir is so empty that the light comes on. All four caliper are brand new as of February and there is no brake fluid on any tire, rims or under the truck.

Where is it going and how do I fix it?

My best guess is that the booster is sucking it in and it's being Burt in the engine. Thoughts?

Brian

Last edited by venturesomerite; 06-20-2011 at 08:46 AM.
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Old 09-29-2011, 03:15 PM
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updated:
changed out the master and bled all the brakes about a month and half ago, still loosing about a reservoir full every week and half
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Old 09-29-2011, 03:38 PM
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How can it be burnt in the engine?
If it's a hydroboost system, the powersteering provides boost. Check your PS reservoir for the heck of it.
Pull off your tires and look. idk where else it could be going. check the lines all the way from front to back.
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Old 09-29-2011, 03:49 PM
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yes check your power steering reservoir. It is bolted to the back of the ps pump and all that holds the fluid in is one rubber gasket which can leak, look underneath the truck to see if its leaking out from that reservoir
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Old 07-02-2012, 02:56 PM
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OK, bumping this back up.

Fluid magically stopped disappearing for a while, but now it's back with a vengence, I'm talking like a whole reservoid in about a 100 miles.

My PS fluid seems good, topped off, but never over flowing.

I cannot tell if it is leaking under the master or what, as I also have a good oil leak from my cooler, which I haven't had chance to fix yet.

Any thoughts? How would I check out the seal on the PS? Any other ideas.

I also since then have replaced the soft lines going to front calipers (started to rot out and didn't like em)

So my Master, calipers and soft lines are all 1 1/2 years olds at the oldest part.

Where is the fluid going????

Last edited by venturesomerite; 07-03-2012 at 05:56 AM.
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Old 12-29-2012, 05:46 PM
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Did you figure anything out on this? I have vanashing fluid also.
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Old 12-29-2012, 06:40 PM
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It might be able to leak into the cab. I know ps fluid will leak inside. Look up under the dash and see.
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