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Open Roads Forum  >  Class A Motorhomes  >  General Topics

 > F53 brake master cylinder failure

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wa8yxm

Wherever I happen to park

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Posted: 03/04/20 05:33pm Link  |  Quote  |  Print  |  Notify Moderator

No matter the location right left or center the good news is that magic word WARRANTY.. Glad it happened that way .. May the "Total bill $0.00" be with you.


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garyemunson

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Posted: 03/04/20 06:23pm Link  |  Quote  |  Print  |  Notify Moderator

Might as well flush the entire brake system while you are at it, Ford manual calls for every 2 years.

jeeperdude10

N. Georgia

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Posted: 03/04/20 07:36pm Link  |  Quote  |  Print  |  Notify Moderator

Has anyone done the 'gravity' method of brake fluid replacement? I am wondering if this may be do-able on my '16 F53.


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johnhicks

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Posted: 03/04/20 07:42pm Link  |  Quote  |  Print  |  Notify Moderator

When a master cylinder has an external leak it'll leak between the cylinder and the hydroboost; that's why there's a weep hole there so if either leaks it won't contaminate the other.

The solution of course is to replace the master cylinder. Then I'd completely drain and refill the brake system since you'll be seriously bleeding it anyway.

It's a failure, no way normal wear and tear.

Spray everything with VHT rust converter or paint with ospho.


-jbh-

johnhicks

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Posted: 03/04/20 07:45pm Link  |  Quote  |  Print  |  Notify Moderator

You might be able to see the level of the fluid in the master cylinder reservoir by putting a bright light behind it.

Lt46

Central Florida

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Posted: 03/05/20 06:35am Link  |  Quote  |  Print  |  Notify Moderator

For me, my master cylinder failed 2 weeks ago. Internal leak, no fluid loss but pedal to floor with minimal braking action. This MC was the OEM and my moho is a 1997. Aside from working in a tight space, replacement was a breeze.


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Tim Nowicki

Alden NY

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Posted: 03/05/20 05:58pm Link  |  Quote  |  Print  |  Notify Moderator

Gravity bleed was always the way to go for me. When you work alone you make things work. BUT with modern day vehicles I don't know if gravity bleed will still work.

JoeH

Apollo Beach,FL

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Posted: 03/07/20 06:00am Link  |  Quote  |  Print  |  Notify Moderator

While not and F52, I had the master cylinder fail on my 2015 F150 .


Joe
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dodge guy

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Posted: 03/07/20 06:18am Link  |  Quote  |  Print  |  Notify Moderator

Still have the OE master cylinder in my 01 Explorer with 200k miles. But I flush he brake fluid often as did the original owner.


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MetalGator

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Posted: 03/10/20 06:30am Link  |  Quote  |  Print  |  Notify Moderator

I got the motor home back from the Ford dealer yesterday. They had to replace the brake master cylinder at just over 11,000 miles. They said the tank was leaking at the seam. I guess the tank and cylinder are one piece as they replaced the whole unit. At least it failed while I still have a few months of warranty left. Didn't cost me anything.


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