[TR] IRS Rear End clunk

Jim Henningsen trguy75 at gmail.com
Sat Jan 30 14:44:27 MST 2021


Thanks Dave. I did inspect those closely after the rebuild and cleaned again and regreased.  So many places this could be coming from.  The fun of sorting a new TR.
Cheers,
Jim

> On Jan 30, 2021, at 4:40 PM, DAVID MASSEY <dave1massey at cs.com> wrote:
> 
> Another possibility is sticky splines in the halfshafts.  Be sure those are clean and well lubricated.
> 
> Dave 
> 
> 
> 
> -----Original Message-----
> From: Greg Lemon <grglmn at gmail.com>
> To: Jim Henningsen <trguy75 at gmail.com>
> Cc: TR3 Triumphs <triumphs at autox.team.net>
> Sent: Sat, Jan 30, 2021 3:15 pm
> Subject: Re: [TR] IRS Rear End clunk
> 
> Jim,
> 
> 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 bolts was loose (gone actually).  There is a lot that can cause a clunk in the rear, but don't rule out other possibilities.
> 
> Greg Lemon
> TR250
> 
> On Sat, Jan 30, 2021, 2:15 PM Jim Henningsen <trguy75 at gmail.com> wrote:
> I know this has been covered over the years, but would like some input from
> 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 and
> did not have clunk in that car, rebuilt original 4A axles with new bearings
> 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.  The
> noise is behind me so has to be in that driveline.  Any thoughts of next
> steps for identifying where it is coming from.  
> Thanks,
> Jim Henningsen
> Ocala FL
> 61 3A
> 62 4
> 67 4A
> 75 6
> 81 8
> 
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