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[TR] TR4 Slipping Clutch

To: <triumphs@autox.team.net>
Subject: [TR] TR4 Slipping Clutch
From: "Daehler, William F" <william.f.daehler@delphi.com>
Date: Mon, 18 Jun 2007 13:30:19 -0500
I had slipping clutch problem on my TR4.  the level of slip was
annoying, but not insurmountable to get around, but it wasn't healing
itself either.

I thought I knew what to do,  but I have now found some forks in the
road.  I don't know which way to proceed.  I'd rather spend whatever
money I need to to get the reliability, but somehow I don't think that
new parts (if they are junky) are the way to go.

I pulled the tranny and the clutch pressure plate.  There is not really
any strong evidence of failure, like I was hoping to find what, oil
soaked asbestos or something clearly wrong. The clutch disk looks a tad
frazzled, but not a smoking gun.  The pressure plate assembly is like a
rock, it's a Beck Arnely unit.  The surface of the pressure plate is
ringed and a bit wavy.  The surface of the flywheel is also ringed, and
a bit wavey. The throw out bearing is shot, and I'll have to replace
that for sure, but that doesn't explain the clutch slipping.

My research looking at Moss, British Parts North West and The Roadster
Factory websites seem to hint at transition of replacement clutch parts.
Like Borg and Beck are no more.  Moss doesn't even have a throw out
bearing available, what's up with that?

My questions to the List:

Should I order a replacement disk, and get the flywheel resurfaced, get
the pressure plate resurfaced?  Is there such a thing as resurfacing a
pressure plate?  What quality is the AP Driveline parts?   What do you
guys recommend I do? I want to get back on the road.


Will Daehler

63 TR4
WISCONSIN


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