[TR] TR3 Breather vs TR4 Breather Plug

Geo Hahn ahwahneetr at gmail.com
Wed Jun 24 15:50:27 MDT 2020

Bill -

Not very difficult to remove as they are basically stamped sheet metal.  A
3/8" hole may be overkill - I just Dremeled a bit to weaken a spot in the
center, then hammered a stubby flat-blade screwdriver into it.  That let me
twist and pry the plug out.

Not much working room down there but I didn't want to get metal bits into
the crankcase.

In case you're thinking about getting at it from the inside -- no access
there as the plug goes into a blind area.


On Wed, Jun 24, 2020 at 2:34 PM Bill Brewer <billbrewer59 at yahoo.com> wrote:

>      I have a TR4 breather plug in my TR3 engine installed in my car. I
> want to take it out and go back to the original TR3 breather. How hard is
> it to get the TR4 breather plug out? I am thinking about drilling a 3/8”
> hole and trying to pull it out with a little homemade puller. I am
> wondering how hard they are jammed in.
>      TIA,
>      Bill in Morro Bay (formally Bill in Tehachapi)
> ** triumphs at autox.team.net **
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