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<div><font size="3">Did you flat tow it for a considerable distance with the drive shaft connected?  I did that with my TR6 and got the same noise.  It is the layshaft in the transmission.  Or rather the bearings on the</font><font size="3"><font size="3"> layshaft</font>.  When you depress the clutch the transmission stops spinning and the noise stops.<br>
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Now's the time to pull it and rebuild it rather than wait for the rebuild to be complete only to undo the interior.<br>
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<div style="clear:both"><font size="4">Dave Massey</font><br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: Jim Vassiliadis <jimstr4@gmail.com><br>
To: triumphs <triumphs@autox.team.net><br>
Sent: Tue, Jun 6, 2017 4:06 am<br>
Subject: [TR] Knocking noise<br>
<br>


<div id="AOLMsgPart_1.2_8f5e408c-abe8-4530-bae5-f7ac8cfc23ca">

<div class="aolReplacedBody">

<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">There's a knocking 
noise coming from my Tranny area when that cars idling in 
neutral.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">1. It's a TR4 tranny 
wth an overdrive unit.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">2. The noise take a 
few seconds to appear.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">3. When I fully 
depress the clutch it goes away.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">4. When I partially 
depress the clutch it's still there.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">5. The spring holds 
the clutch fork off the plate.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017"></span></font> </div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">I'm not sure if it 
was there when I drove it down the driveway.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">I think it went away 
but reappeared when I coasted.</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017"></span></font> </div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">I hate removing the 
tranny from the TR4, I'm quiet adept at it but it's painful, any ideas on what 
it could be?</span></font></div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017"></span></font> </div>


<div><font size="2" face="Arial"><span class="aolmail_687492105-06062017">Jim and the 62 
TR4.</span></font></div>

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</div>

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