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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Does the brake fluid reservoir separate front from rear?

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Old Jun 14, 2024 | 02:22 PM
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karljay
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Does the brake fluid reservoir separate front from rear?

I was hit in the rear and lost fluid on one side of the rear. Pretty sure it's brake fluid as I just topped off the brake fluid and it was low. I just topped it off again and I'm wondering if the front and rear have any separation inside the reservoir on top of the master brake cylinder?

I know the older setups would have a separator all the way to the top, while some designs have two reservoirs, but this one is clearly shared for at least part of the reservoir.

I thought one of the safety features was that if you lost the rear brakes, you'd still have the front brakes, yet it seems that it's pulling most of the fluid out.

 
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Old Jun 14, 2024 | 03:04 PM
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There is no separator. One reservoir feeds both front and rear brake systems.
 
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Old Jun 14, 2024 | 06:00 PM
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From: Carnation, Wah
Yes, there's a dividing system in there. Otherwise, it wouldn't be approved for on- road use.

Often, the divider only holds a portion of the fluid, so that the reservoir looks empty, and the float drops and lights the 'brake' light-
but the intact circuit still has plenty of reserve fluid to actuate the brakes.

t
 
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