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MG MGA - Brass Speedo Drive Seal ?
|Does anyone know how the brass speedo drive housing seals into the gearbox.|
Is it a fibre seal / rubber seal / Copper Washer ?
I "think" it's defunct part number 51K3169
modern comined MGA/MGB geabox gasket sets contain the MGB speedo drive gasket and a fibre washer which I have no idea what it's for as it's too small for the MGA speedo drive.
Just had a look at my 1500 gearbox lying in the garage. It's a copper washer. 1.25"OD, 1"ID
Any idea the size of the copper washer and if that part is used elsewhere under another part number?
The several gearbox kit's I have, don't contain any large copper washers.
Assuming we are talking about the same washer I have attached a photo of subject item and the drive unit.
1.253 inches outside diameter
1.068 inches inside diameter
0.041 inches thick
|There is also a rubber shaft seal inside the housing, and is required to work, because the speedo drive resides below oil level in the gearbox.|
|That looks like the copper washer Steve.. .Many Thanks|
I also don't have the rubber inside Barney.. Any idea's on what I do to replace this ?
Mine does not appear to have one either.
|For seal replacement see here: http://mgaguru.com/mgtech/gearbox/gt106.htm|
Yes, Makes sense now. Mine is as your photo.
This thread was discussed between 21/03/2013 and 22/03/2013
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