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Re: [TR] [6pack] Rear end clunk

To: Cliff Hansen <cliff_hansen@outlook.com>
Subject: Re: [TR] [6pack] Rear end clunk
From: James Henningsen <trguy75@gmail.com>
Date: Thu, 27 Jan 2022 14:18:36 -0500
Cc: Triumphs <triumphs@autox.team.net>, Alex & Janet Thomson <aljlthomson@charter.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <SJ0PR14MB4613AB6F1200C11D4B4E1658FA219@SJ0PR14MB4613.namprd14.prod.outlook.com>
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I also had the clunk in my 4a and it was worn spline jibs for the wire wheel=
s.  Old wire wheels and spline hubs can create the same clunk.  Sounds like y=
ours is the diff. =20
Jim Henningsen
Ocala Fl.=20

> On Jan 27, 2022, at 11:27 AM, Cliff Hansen <cliff_hansen@outlook.com> wrot=
e:
>=20
> =EF=BB=BF
> Low-speed =E2=80=9Cclunk=E2=80=9D in my TR4A IRS turned out to be worn spl=
ines in the axle shafts. I repacked the splines with grease to get by for a w=
hile, I=E2=80=99ll fix it properly when I decide it bothers me enough. Why T=
riumph didn=E2=80=99t put a grease fitting on the sliding joint is a mystery=
 to me.
> =20
> Cliff
> =20
> =20
> Sent from Mail for Windows
> =20
> From: Greg Lemon
> Sent: Thursday, January 27, 2022 8:29 AM
> To: Alex & Janet Thomson; Triumphs
> Subject: Re: [TR] [6pack] Rear end clunk
> =20
> I chased after a "rear end" clunk for years.  Decided it was in the differ=
ential, and decided to replace it with a Nissan R200 limited slip after repl=
acing u-joints and checking mounts many times.  When I was installing the di=
fferential and new, shortened drive shaft I discovered one of the transmissi=
on mount bolts had gone missing.
> =20
> If you are not finding it, may be worth expanding your search, however, th=
e only when cold thing is a bit of a head scratcher.
> =20
> BTW, very glad I did the diff swap, even though it was not the cause of th=
e clunk, car is much quieter, especially  with the top up.
> =20
> Greg Lemon
> TR250
> =20
> On Thu, Jan 27, 2022, 9:10 AM Alex & Janet Thomson <aljlthomson@charter.ne=
t> wrote:
> Don=E2=80=99t rule out worn driveshaft U-joints or worn/loose mounting bus=
hings on the differential itself.
> =20
> Alex Thomson
> =20
> From: 6pack [mailto:6pack-bounces@autox.team.net] On Behalf Of otral@juno.=
com
> Sent: Thursday, January 27, 2022 9:43 AM
> To: 6pack@autox.team.net
> Subject: [6pack] Rear end clunk
> =20
> Twenty years of rear end clunk when I put it in reverse with cold engine a=
nd I'm tired of it. But as soon as the engine warms up it disappears and i d=
ismiss it. Do I bite the bullet and get it checked out? I'm sure my mechanic=
 will say get it fixed. And how much do you think a repaired rear end will c=
ost me?=20
> =20
> Al in CT with 74 French Blue
>=20
>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"></div><div dir=3D"ltr">I a=
lso had the clunk in my 4a and it was worn spline jibs for the wire wheels. &=
nbsp;Old wire wheels and spline hubs can create the same clunk. &nbsp;Sounds=
 like yours is the diff. &nbsp;</div><div dir=3D"ltr">Jim Henningsen</div><d=
iv dir=3D"ltr">Ocala Fl.&nbsp;</div><div dir=3D"ltr"><br><blockquote type=3D=
"cite">On Jan 27, 2022, at 11:27 AM, Cliff Hansen &lt;cliff_hansen@outlook.c=
om&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D=
"ltr">=EF=BB=BF

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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Low-speed =E2=80=9Cclunk=E2=80=9D in my TR4A IRS turn=
ed out to be worn splines in the axle shafts. I repacked the splines with gr=
ease to get by for a while, I=E2=80=99ll fix it properly when I decide it bo=
thers me enough. Why Triumph didn=E2=80=99t put a grease fitting
 on the sliding joint is a mystery to me.</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Cliff</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Sent from <a href=3D"https://go.microsoft.com/fwlink/=
?LinkId=3D550986">
Mail</a> for Windows</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div style=3D"mso-element:para-border-div;border:none;border-top:solid #E1E1=
E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class=3D"MsoNormal" style=3D"border:none;padding:0in"><b>From: </b><a hre=
f=3D"mailto:grglmn@gmail.com";>Greg Lemon</a><br>
<b>Sent: </b>Thursday, January 27, 2022 8:29 AM<br>
<b>To: </b><a href=3D"mailto:aljlthomson@charter.net";>Alex &amp; Janet Thoms=
on</a>; <a href=3D"mailto:triumphs@autox.team.net";>
Triumphs</a><br>
<b>Subject: </b>Re: [TR] [6pack] Rear end clunk</p>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<p class=3D"MsoNormal">I chased after a "rear end" clunk for years.&nbsp; De=
cided it was in the differential, and decided to replace it with a Nissan R2=
00 limited slip after replacing u-joints and checking mounts many times.&nbs=
p; When I was installing the differential
 and new, shortened drive shaft I discovered one of the transmission mount b=
olts had gone missing.<o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">If you are not finding it, may be worth expanding you=
r search, however, the only when cold thing is a bit of a head scratcher.<o:=
p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">BTW, very glad I did the diff swap, even though it wa=
s not the cause of the clunk, car is much quieter, especially&nbsp; with the=
 top up.<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Greg Lemon<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">TR250<o:p></o:p></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<div>
<div>
<p class=3D"MsoNormal">On Thu, Jan 27, 2022, 9:10 AM Alex &amp; Janet Thomso=
n &lt;<a href=3D"mailto:aljlthomson@charter.net";>aljlthomson@charter.net</a>=
&gt; wrote:<o:p></o:p></p>
</div>
<blockquote style=3D"border:none;border-left:solid #CCCCCC 1.0pt;padding:0in=
 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
<div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto"><span style=3D"color:#1F497D">Don=E2=80=99t rule out worn driveshaft=
 U-joints or worn/loose mounting bushings on the differential itself.</span>=
</p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto"><span style=3D"color:#1F497D">&nbsp;</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto"><span style=3D"color:#1F497D">Alex Thomson</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto"><span style=3D"color:#1F497D">&nbsp;</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto"><b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,sa=
ns-serif">From:</span></b><span style=3D"font-size:10.0pt;font-family:&quot;=
Tahoma&quot;,sans-serif"> 6pack [mailto:<a href=3D"mailto:6pack-bounces@auto=
x.team.net" target=3D"_blank">6pack-bounces@autox.team.net</a>]
<b>On Behalf Of </b><a href=3D"mailto:otral@juno.com"; target=3D"_blank">otra=
l@juno.com</a><br>
<b>Sent:</b> Thursday, January 27, 2022 9:43 AM<br>
<b>To:</b> <a href=3D"mailto:6pack@autox.team.net"; target=3D"_blank">6pack@a=
utox.team.net</a><br>
<b>Subject:</b> [6pack] Rear end clunk</span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto">&nbsp;</p>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto">Twenty years of rear end clunk when I put it in reverse with cold en=
gine and I'm tired of it. But as soon as the engine warms up it disappears a=
nd i dismiss it. Do I bite the bullet
 and get it checked out? I'm sure my mechanic will say get it fixed. And how=
 much do you think a repaired rear end will cost me?&nbsp;</p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto">&nbsp;</p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto">Al in CT with 74 French Blue</p>
</div>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-al=
t:auto"><br>
<br>
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</blockquote>
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