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Gearbox Questions

To: mgs@autox.team.net
Subject: Gearbox Questions
From: "William T Snyder, II" <wtsnyder@juno.com>
Date: Sun, 21 Jan 2001 19:49:32 -0500
Hello list. In the process of tracing the problems with reverse lamps
that do not function on my  non-OD '72 GT, I have become a bit puzzled.
First, I cannot find a gear box dipstick/filler port. I located the
rubber plug under the carpet behind the radio console on the top
passenger side of the tranny tunnel, but could feel or see no dipstick or
plug underneath. I jacked up the car and got underneath the passenger
side and felt all along the top of the gearbox and still no luck. Am I
mistaken that the later gearboxes had a dipstick as the earlier cars did?
If not, where do you refill the gearbox after draining and how do you
check the level?

Secondly, above the speedo angle drive on the passenger side again is a
switch with two electrical contacts to which a green and green/brown
wires are attached. I am assuming that this is the reverse switch(?). My
catalogues and manuals show the reverse switch on the driver's side. Are
their diagrams for RHD cars?

Above that switch, slightly farther forward on the passenger side of the
housing to which the shift lever is attached is another switch(?) with 2
contacts but no wires attached. Can anyone tell me its name or purpose?

Although all of the catalogues and manuals show diagrams of the D and LH
type OD's, none show how or where they fit onto the rest of the gearbox.
This may sound like a silly question to you pros on the list, but just
where do they fit in or on the standard gearbox? If they lengthen the
overall gearbox length, I assume a shorter drive shaft is also
required(?).

Lastly, the bolt nearest the starter motor which attaches my gearbox to
the engine is missing. How important to replace it and what size bolt?

Thanks for your patience and for sharing your knowledge.
Bill Snyder
'66 MGB
'72 BGT

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