[urq] Locking brakes

fdekat fdekat at sentex.net
Mon Mar 4 01:57:05 PST 2013


> Message: 1
> Date: Sat, 2 Mar 2013 07:26:37 +1000
> From: "Doug Rath" <drath1 at optushome.com.au>
> To: <urq at audifans.com>
> Subject: [urq] Locking brakes
> Message-ID: <C018DE0524874F9181A18242F35F706D at DougPC>
> Content-Type: text/plain;	charset="iso-8859-1"
> 
> Hi guys,
> I have had a persistant problem with the brakes on my WR not releasing
> after a number of aplications.
> Master ok
> Brake hoses ok
> My mechanic tells me that there is a wear spot on the piston from the
> booster which is causing the problem.
> We are making a spacer to fit between the master and the booster so as the
> piston will operate on a diferent area of the piston.
> Has anyone experienced this problem.
> Cheers.

Many have had problems with brakes not releasing/applying themselves *when
master cylinder gets hot*.

Usually happens in 'stop and go' driving, as underhood temps go way up.
If you think that may be a possibilty, a very quick test is to spray down the
master cylinder with a small had sprayer to cool it down.

Is sort of a 'known problem' in the 5000/200/urq world.

(Repair solution is replacemnt of master cylinder.)

=Frank=




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