Thanks Bob and Todd. I also found great help on the 6pack member site.
Shoulda looked there first. I will try the helicoil approach first.
Thanks!
Jim Henningsen
-----Original Message-----
From: Robert M. Lang [mailto:lang@isis.mit.edu]
Sent: Friday, May 12, 2006 2:01 PM
To: James Henningsen
Cc: 6pack@autox.team.net
Subject: Re: Trailing Arm Help
On Fri, 12 May 2006, James Henningsen wrote:
> One of the studs that secures the rear axles to the trailing arm has
> stripped in the trailing arm. I have it out and need advice on the best
> fix. Can anyone recommend a good fix. Drill out and use a speedy
sleeve??
Drill it out and use a _heli-coil_ or other thread repair insert
(Key-n-sert, etc.) There's also a step-stud that you can use (3/8 on one
side, 5/16 on the other side. Note that with the heli-coil you need to use
the proper drill/tap for the heli-coil... nothing else will work properly.
The only gotcha with inserting the heli-coil is that the standard
heli-coil tap assumes that the hole is through-drilled, so it is possible
to bottom the tap out in the hole. You can dress the tip of the tap to
mimic a "bottoming tap"... it doesn't take much, you just need to make
sure you can get the whole heli-coil in the hole (meaning that the last
thread has to be below the surface of the hub flange interface) so that
the heli-coil cannot back out. It is for this reason that many folks like
the key-n-sert or other thread repair methods.
The only potential "gotcha" is that you need to drill SQAURE to the hole
or it's a PITA to install/remove the hub assembly.
DO NOT USE THREAD REPAIR EPOXY. This is a highly stressed part on your
car, and failure of the studs can lead to loss of the axle/wheel in
certain cases. You want to do this job right or you want to replace the
trailing arm.
> Thanks
>
> Jim Henningsen
>
> Maitland, FL
regards,
rml
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