Re: [MBZ] Somewhat OT brake caliper dragging

[Allan Streib via Mercedes]

Will try that, thanks.

Peter Frederick via Mercedes  writes:

> Easy.  Open the bleeder, if the caliper releases it's the hose.  If not, it's 
> the caliper.
>
> Trapped air sometimes causes a caliper to drag, but only if it's in the 
> caliper.
>
> All brake hoses are subject to the "make a one way valve" failure, leading to 
> dragging calipers.
>
> I tend to replace all the brake hoses after 10 or 15 years or 200k miles.
>
> Peter

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Re: [MBZ] Somewhat OT brake caliper dragging

[Curley McLain via Mercedes]

Sage advice.   Opening the bleeder is too.   I forgot to mention that 
test.   Anymore on MBs, if I have a suspicion, I put new hoses on.



Peter Frederick via Mercedes 
February 19, 2020 at 6:05 PM


I tend to replace all the brake hoses after 10 or 15 years or 200k miles.

Peter


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Re: [MBZ] Somewhat OT brake caliper dragging

[Peter Frederick via Mercedes]

Easy.  Open the bleeder, if the caliper releases it's the hose.  If not, it's 
the caliper.

Trapped air sometimes causes a caliper to drag, but only if it's in the caliper.

All brake hoses are subject to the "make a one way valve" failure, leading to 
dragging calipers.

I tend to replace all the brake hoses after 10 or 15 years or 200k miles.

Peter
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Re: [MBZ] Somewhat OT brake caliper dragging

[Allan Streib via Mercedes]

Andrew Strasfogel via Mercedes  writes:

> Swollen hose will cause swerving when brake pedal is released, as
> least it did on my W108 280SE.

That makes sense, and I do not notice this happening. So I'll pick up
some new calipers. Thanks.

Allan

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Re: [MBZ] Somewhat OT brake caliper dragging

[Andrew Strasfogel via Mercedes]

Swollen hose will cause swerving when brake pedal is released, as least it
did on my W108 280SE.

On Wed, Feb 19, 2020 at 12:31 PM Curley McLain via Mercedes <
mercedes@okiebenz.com> wrote:

> nope.
>
> Don't know if hondog brake hoses swell with DOT3 brake fluid. but MBs
> from the 60s to 90s do.  (I don't know about newer)   If only one is
> dragging, probably only the caliper. (but still could be the hose too)
> > Allan Streib via Mercedes 
> > February 19, 2020 at 11:23 AM
> > 2006 Honda has dragging brake right front. I am guessing it's the
> > caliper and not the rubber hose because I drove it this morning without
> > using the brakes at all and it still got hot. Agree? I'm inclined to
> > replace them both anyway but is there any more diagnosis to be done?
> >
> > Allan
> >
> > _
>
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Re: [MBZ] Somewhat OT brake caliper dragging

[Curley McLain via Mercedes]

nope.

Don't know if hondog brake hoses swell with DOT3 brake fluid. but MBs 
from the 60s to 90s do.  (I don't know about newer)   If only one is 
dragging, probably only the caliper. (but still could be the hose too)

Allan Streib via Mercedes 
February 19, 2020 at 11:23 AM
2006 Honda has dragging brake right front. I am guessing it's the
caliper and not the rubber hose because I drove it this morning without
using the brakes at all and it still got hot. Agree? I'm inclined to
replace them both anyway but is there any more diagnosis to be done?

Allan

_


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[MBZ] Somewhat OT brake caliper dragging

[Allan Streib via Mercedes]

2006 Honda has dragging brake right front. I am guessing it's the
caliper and not the rubber hose because I drove it this morning without
using the brakes at all and it still got hot. Agree? I'm inclined to
replace them both anyway but is there any more diagnosis to be done?

Allan

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