[T3] brake parts

[Dave Hall]

I suggest you put up with it for a few journeys and see if it clears the
rust itself. If the slight drag you've noticed on the brakes is simply the
linings rubbing on the rusty area, it may well polish up on its own.  Keep a
check for excess heat being generated, as Jim has already mentioned. Like
the others who've replied, I've not had any of my Type 3s develop warped
drums.

Obviously the proper job is to remove the drums and clean them off, and you
may have to resort to that if it doesn't improve.

Dave
UK VW Type 3&4 Club
===================


-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of Jim Adney
Sent: 07 May 2015 07:56
To: type3 at vwtype3.org
Subject: Re: [T3] brake parts

On 6 May 2015 at 22:16, Fiesta Cranberry wrote:

> I looked at the receipt, and all it says is "Replace master cylinder".
> Which I had to order from ISP myself, after I told the guy his 
> supplier wouldn't have it.  He never mentioned tunring the drums.  
> What is involved in turning the drums?
> 
> Lori & The Baroness '71 AT SB

To turn the drums, they have to remove the rear tires, wheels and drums,
then take the drums, probably with the hubs, to a brake drum lathe, and cut
off a thin amount of metal on the friction surface. 
The hard part here is cutting the fresh surface exactly coaxial with the
center line of the drum. That can be almost impossible to do unless you're
tooled up specifically for VW 4-bolt drums that take separate hubs, like
ours.

I'm gonna go out on a limb, and suggest that they did not turn the drums.
Instead, the drums were rusty because the rear brake circuit had not been
working, due to the bad master cylinder. Now that the MC has been replaced,
the rear shoes are running against rusty and uneven braking surfaces and
that's what you're feeling. I would hope that the drums could be sanded down
to clean metal by hand. That's a dirty job and they might even let YOU do
it.

Getting the drums off is another challenge, but they have have dealt with
that kind of problem before.

--
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
*******************************

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