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Transmission Noise

To: triumphs@autox.team.net
Subject: Transmission Noise
From: "Angie Woodward" <woodwarda@hotmail.com>
Date: Tue, 24 Jul 2001 20:45:14 FILETIME=[8A57A160:01C11481]
Hello

I have a long running problem with my TR3A that perhaps someone out there 
has experience of.

At first the symptoms were a 'chattering' type noise on fourth gear but only 
when coasting, not when accelerating or decelerating.  I drained the gearbox 
oil and was presented with what looked like a spacer.  Thinking that the 
gearbox was at fault (and wanting to upgrade to overdrive anyway) I replaced 
the gearbox (which was TR6) with a TR4 gearbox from a fire damaged car.  At 
the same time I took the liberty to replace all the clutch components 
(spring type).

Upon re-assembly the noise was still there.  Since then I have taken the 
gearbox out and machined the flywheel.  I have replaced the propshaft, the 
exhaust, the UJs, had some seals replaced on the diff (and had the pinion 
bearing checked) and have replaced the bomb type starter with a long type 
(since I found out during all this work that the ring gear was bolt on).  I 
have had the car looked at by two experts now who both were unable to say 
anything but that it was the gearbox.  Can I be so unlucky as to get two 
gearboxes with the same problem?

I have covered quite some kilometres back and forward to various different 
garages and the noise is gradually getting worse.  I now get it in third 
gear and sometimes in second.  I invariably get it when I'm accelerating 
also (although not when going uphill ?!).  As you can see I have spent a lot 
of money on this problem and it's still not fixed.  I don't know where to go 
next with this.  Has anyone else experienced this problem before?  Does 
anyone have any idea what I should do next?  I'd be grateful for your 
thoughts!

Regards

Myles

TR3A, Holland

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