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MG TD TF 1500 - Gear box threaded hole

OK, someone out there must know. Today I worked on cleaning the outside of the gear box. On the right side upper rear corner just forward of the front of the remote shifter was a small amount JB weld or something like it that I took a sharp screw driver to and it came out and reveled a threaded hole. Now the interesting part. Tried several bolts to see what thread it was. Nothing fit, then on a lark I tried a lower unit drain plug from a Mercury outboard motor, It fit. Does anyone know what this hole is for and what is supposed to go in it, bolt or plug ? I checked the WSM, AS, and Moss catalog, all only show the left side. Thanks in advance.
F. Driver

Hi
Is this a TF or TD and could you include a picture.
Cheers Darryl
D Lamb

Is it where the slotted screw is? If so, It's an access hole for the shift rod detents, I think.

....

MAndrus

My guess is that it is a plug for the hole that was drilled in the case for the two lock-out balls between the selector shafts.

OOPS - I didn't read your reply closely enough MAndrus. At least my guess was right.

Lonnie
TF7211
LM Cook

It is a 55TF and yes it is where the slotted screw is in the picture. I think I have a picture in my mind of a PO removing it, then can't find it, but he knew where the JB weld was. Now I need to find one. Thanks for the help.
F. Driver

The screw is most likely an 8 X 1mm, but I don't have any idea how long it is. If my guess is correct, you can use any 8 X 1 bolt and just cut the head off to the correct length and cut a screwdriver slot in it. Cheers - Dave
D.W. DuBois

Hi Fred
I'm at the shop tomorrow. I will check the spare cases I have for the screw you need.

Gary
gl krukoski

Its larger than 8mm, maybe 10mm. The Mercury drain plug is the same thread. Just love those MG's. I already have some 39 Ford parts but outboard motor parts that's a stretch. Thanks, Gary
F. Driver

It was used for cross drilling according to my information. I took this photo and sent it to Barrie Jones at the time when I rebuilt my gearbox as I was unsure and that was the reply. It just needs to be plugged.

Regards
Declan

D Burns

Hi Fred
I have a spare one for you. It is 10 X 1.5 MM. I can put it in the Mail or see you at lunch in 11 days.

Gary
gl krukoski

Thanks Gary. See you at lunch Tuesday.
F. Driver

This thread was discussed between 12/06/2015 and 13/06/2015

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