[Vwdiesel] '01 Golf TDi binding rear brake
brian at gochnauer.net
Sun May 31 08:01:37 PDT 2009
Actually the Jetta is the first car I've worked on that didn't have the
shoe'd parking brake. :)
I describe it like a small drum brake with a disk rotor around it.
Between my son and I, I've worked on a '69 Benz, 2003 KIA Optima and a '84
Pontiac Fiero all had shoes inside the disk rotor for the park brake.
Loren, have you had the rear caliper apart to replace the seals?
Rolf, I'd surmise that it's either a worn seal (square), or rusty
caliper pins (slide).
And could be a combination of many issues mentioned.
On 5/30/09, LBaird119 at aol.com <LBaird119 at aol.com> wrote:
> In a message dated 5/30/2009 7:28:10 PM Pacific Daylight Time,
> rbp at 4u2bu.org writes:
> > Q: what would cause caliper NOT to retract when brake pedal is
> > released? what's supposed to separat pads?
> > thanks
> The square, "rubber" piston seal itself. The piston moves so little,
> when the brake is applied, that the seal geneally just stretches a
> little for the movement of the piston. It then pulls the piston back
> when pressure is released.
> Rear calipers are generally exceptionally fun since they have a
> racheting mechanism built into them for the parking brake. That's
> where the 911 is kinda cool, standard disk with a little drum brake,
> just for the parking brake, in the center of it.
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