I had the same basic problem. I checked the runout on my disks a dozen
times, hot and cold, because I thought it had to be wobble. Finally I
replaced the calipers with Tiltons and the problem mostly disappeared
(Tilton has a bolt-on replacement for Girling calipers). Then I replaced
the master cylinder with a dual tilton unit with a balance bar, and
never looked back. Much better.
Kind of an inelegant solution I admit, but it's a lot better than trying
to fix parts that come pre-broken from the manufacturer..
> -----Original Message-----
> From: Jack W Drews [SMTP:vinttr4@forbin.com]
> Sent: Wednesday, December 17, 1997 1:31 PM
> To: friends of Triumph
> Subject: Brake pedal height
>
> It is with great fear and trepidation that I interrupt the hilarity of
> the Season's messages to ask a genuine technical question, but I have
> been forced to do so by public humiliation and derision on the Team
> Thicko page, so here goes:
>
> My TR4 suffers from unpredictable brake pedal height. Sometimes the
> pedal is high, sometimes low, on the same lap. We are forced to
> compensate for this by tapping the brake once before we reach a
> corner,
> much to the consternation, I'm sure of our fellow competitors, when
> they
> see the brake ligt flash at a point prior to the corner.
>
> I think it is caused by front pad push-back. Front bearings are tight.
> Happens with new pads or old ones. We are running the TR6 master
> cylinder for its dual circuit, and we do not have the eaarly TR line
> pressure valve in the plumbing.
>
> What can we do to cure this?
|