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Re: [TR] IRS Rear End clunk

To: Greg Lemon <grglmn@gmail.com>
Subject: Re: [TR] IRS Rear End clunk
From: Jim Henningsen <trguy75@gmail.com>
Date: Sat, 30 Jan 2021 16:42:31 -0500
Cc: TR3 Triumphs <triumphs@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <CAFtw3aaRTe4=X=bZCu2NubJqD69=7=MQzNkfbyxYmuGhDu7V7w@mail.gmail.com>
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Great thoughts by you both on the tranny mount.  I just had the tunnel cover=
 off so kicking myself now for not checking.  May be able to inspect and adj=
ust underneath.  Was thinking it might be a little play in the axle splines s=
ince they are original and or possible wear on wire wheel hub splines or wir=
es themselves.  The wires are the original to car. Have new Dayton=E2=80=99s=
 and hubs to put on soon.
Jim

> On Jan 30, 2021, at 4:15 PM, Greg Lemon <grglmn@gmail.com> wrote:
>=20
> =EF=BB=BF
> Jim,
>=20
> In my case as well, after checking everything in the rear end and deciding=
 it must be the differential I discovered one of the transmission mount bolt=
s was loose (gone actually).  There is a lot that can cause a clunk in the r=
ear, but don't rule out other possibilities.
>=20
> Greg Lemon
> TR250
>=20
>> On Sat, Jan 30, 2021, 2:15 PM Jim Henningsen <trguy75@gmail.com> wrote:
>> I know this has been covered over the years, but would like some input fr=
om
>> folks.  Just redid the rear suspension and driveline for my 67 TR4A IRS.
>> Installed driveshaft with new u joints, rebuilt diff that was in my TR6 a=
nd
>> did not have clunk in that car, rebuilt original 4A axles with new bearin=
gs
>> seals and u joints, new comp springs, urethane packings, new urethane
>> bushings on trailing arm, shock link, rebuilt lever shocks.  The original=

>> diff mounts/brackets/pins looked good so didn't weld support panels in.
>> This is a 72k orig mile car that was owned 45 years by previous owner.  I=
 am
>> still getting a noticeable clunk when I let the clutch out from a stop.  T=
he
>> noise is behind me so has to be in that driveline.  Any thoughts of next
>> steps for identifying where it is coming from. =20
>> Thanks,
>> Jim Henningsen
>> Ocala FL
>> 61 3A
>> 62 4
>> 67 4A
>> 75 6
>> 81 8
>>=20
>> ** triumphs@autox.team.net **
>>=20
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/arch=
ive
>>=20
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@gmail.com

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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">Great thoughts by you both=
 on the tranny mount. &nbsp;I just had the tunnel cover off so kicking mysel=
f now for not checking. &nbsp;May be able to inspect and adjust underneath. &=
nbsp;Was thinking it might be a little play in the axle splines since they a=
re original and or possible wear on wire wheel hub splines or wires themselv=
es. &nbsp;The wires are the original to car. Have new Dayton=E2=80=99s and h=
ubs to put on soon.</div><div dir=3D"ltr">Jim</div><div dir=3D"ltr"><br><blo=
ckquote type=3D"cite">On Jan 30, 2021, at 4:15 PM, Greg Lemon &lt;grglmn@gma=
il.com&gt; wrote:<br><br></blockquote></div><blockquote type=3D"cite"><div d=
ir=3D"ltr">=EF=BB=BF<div dir=3D"auto">Jim,<div dir=3D"auto"><br></div><div d=
ir=3D"auto">In my case as well, after checking everything in the rear end an=
d deciding it must be the differential I discovered one of the transmission m=
ount bolts was loose (gone actually).&nbsp; There is a lot that can cause a c=
lunk in the rear, but don't rule out other possibilities.</div><div dir=3D"a=
uto"><br></div><div dir=3D"auto">Greg Lemon</div><div dir=3D"auto">TR250</di=
v></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr"=
>On Sat, Jan 30, 2021, 2:15 PM Jim Henningsen &lt;<a href=3D"mailto:trguy75@=
gmail.com">trguy75@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"gm=
ail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex">I know this has been covered over the years, but would like some inpu=
t from<br>
folks.&nbsp; Just redid the rear suspension and driveline for my 67 TR4A IRS=
.<br>
Installed driveshaft with new u joints, rebuilt diff that was in my TR6 and<=
br>
did not have clunk in that car, rebuilt original 4A axles with new bearings<=
br>
seals and u joints, new comp springs, urethane packings, new urethane<br>
bushings on trailing arm, shock link, rebuilt lever shocks.&nbsp; The origin=
al<br>
diff mounts/brackets/pins looked good so didn't weld support panels in.<br>
This is a 72k orig mile car that was owned 45 years by previous owner.&nbsp;=
 I am<br>
still getting a noticeable clunk when I let the clutch out from a stop.&nbsp=
; The<br>
noise is behind me so has to be in that driveline.&nbsp; Any thoughts of nex=
t<br>
steps for identifying where it is coming from.&nbsp; <br>
Thanks,<br>
Jim Henningsen<br>
Ocala FL<br>
61 3A<br>
62 4<br>
67 4A<br>
75 6<br>
81 8<br>
<br>
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