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MG MGB Technical - LH Overdrive suction tube

I've stripped my overdrive today and was pleasantly surprised at its condition, despite finding some filings in the bottom. However, I'm unable to 'find' a part known as the "suction tube". From the Moss catalogue and Haynes it should be located on or near the pump plunger. Can anyone tell me exactly where it sits? Could it be that the filings I have found are the tube? What's the effect of it being missing?
Richard Coombs

Richard,

I dit mine last year. The filings are normal whear and are not the suction tube.
The tube is sitting close and parallel to the plunger and should be a vital part in lubrication.
It comes about into the middle of the sump with a transverse cut at the end. You can remove it with a screwdriver.
I will try to opload a picture.


Pierre

P.Y.A. De Rouck

Another one

P.Y.A. De Rouck

Or this, item 30 ...

Paul Hunt

Thanks Pierre. Your photos helped a lot. Obvious really but I had not realised the function of this tube, and mine is still in place.
Richard Coombs

Thanks Paul, although the position of the beast is still unclear from the diagram. The 'line' seems to be putting it in the same hole as the plunger. All is clear now, I just couldn't see it for looking.
Richard Coombs

Richard,

Pleasure is mine.


Paul,

Fantastic site. Looked there many times also, for restoring my 'C' as many items and principles are the same. Thanks a lot.

pierre

P.Y.A. De Rouck

To me the dog-leg in the line takes it to the lower right of the oil pump hole, but admittedly out of sight in that view.
Paul Hunt

This thread was discussed between 25/09/2009 and 27/09/2009

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