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Re: [Shop-talk] Sticking/Draging caliper

To: shop-talk@autox.team.net
Subject: Re: [Shop-talk] Sticking/Draging caliper
From: Matt Wehland <mjw@littlegrassy.com>
Date: Tue, 5 Jan 2016 21:30:23 -0600
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <568C6B43.5010209@littlegrassy.com> <E937C6A249BD4E03AD0D6E10044429BE@EricJRussellPC>
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Thanks Eric, just the type of advice I was looking for.

Just tried it, got a little fluid expelled, but no decrease in drag.

Even so, the more I think about it, the more I am leaning towards hoses.
Thinking even the fronts could be impacting this, as if they swell/flex 
too much there might not be enough pressure in the system to retract the 
caliper.

Also the last few times I have done brakes on this car, I have not been 
able to get as firm a pedal as I wanted.
No matter how much nor how many times I bleed the brakes.

Probably one of the reasons I bought the front hoses, but I just never 
got around to putting them on.

Good intentions, lazy mechanic.

Hopefully replacing all the hoses will bring me some improvement.

Just not looking forward to spicing the hard line, not too hard, just 
never one of my favorite things.
And the location/routing of this one is not lending itself to an easy 
splice.

The hyundai  was the wifes daily driver, and she works a weird changing 
schedule, so never had much good down time before.
She just got a new car so it is now my second car (again).
Need to get it fixed up good enough so I can park my Mustang again and 
start working on it, lots of TLC needed on that one.  Lots needed.
Fiscally foolish to even put the money needed into the Mustang, but it 
was my first new car and I always planned on keeping it until I die.
So time to start spending 5k on a 3K car.

Matt


On 1/5/2016 9:03 PM, Eric J Russell wrote:
>> Is it possible for the hose to be slightly blocked, allowing pressure 
>> to apply the brakes but keeping them from releasing?
>
> Yes, the hose can delaminate internally and act like a one-way valve.
>
> One way to check is to jack up the axle in question, apply & release 
> the brakes and while noting the drag, crack open the bleed screw. If a 
> little bit of brake fluid is expelled and the drag is noticeably 
> reduced then a faulty hose is likely.
>
> Eric Russell
> Mebane, NC
>
>


-- 
Matt Wehland
(815) 295-4533

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