In-situ removal of manual transmission rear extension?

[ToToogood@aol.com]

My speedometer has packed it in yet again.  I have checked everything from
the right-angle drive at the transmission to the speedo head, and all that
works correctly (the speedometer will register if I use an electric drill to
drive the right-angle drive).  So my problem is the output from the
transmission.

I have removed the small driven gear from the rear of the transmission.  It
doesn't look pretty.  Which means the driver gear, inside the transmission
extension, is most likely worn as well.  To see that gear (and to replace it)
is to remove the transmission extension from the main transmission case.

The vehicle is a 1973 series 3 E-type, manual transmission.  I think that I
can remove the exhaust system, lower the transmission mount, disconnect the
drive shaft, and then have enough room to disconnect the transmission
extension from the main case.  The gear shift and consol may have to be
removed to provide proper clearance.  Has anyone done this?  My alternative
is to remove the engine and transmission (at the very least, I may have to
undo the engine mounts and move the engine far enough forward so that the
transmission drops).

The next problem will be finding the replacement gears.  If you have spares,
look for me on the used parts exchange.

Phillip Toogood
Nashville

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Follow-Ups:

• Re: In-situ removal of manual transmission rear extension?
• From: Randy Wilson <randy@taylor.infi.net>

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