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MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

MG TD TF 1500 - TD Master Cylinder Cap

In rebuilding my master cylinder I started cleaning the cap. I noticed two holes on the bottom and one on the side of the nut hex on top. The two holes on the bottom share the same void or chamber. The hole on top goes into a chamber. There seems to be a thin layer of metal separating them. I can't seem to pass any air between the top and bottom holes (after soaking and cleaning). So I'm wondering if this is either a small expansion chamber or maybe I have a blocked passage. It's interesting that the manuals I have don't have a reference to these ports for either cleaning or purpose. The assembly looks to be soldered together.

Mike
Mike Hart (52 TD 16378)

Mike - The holes should pass air, they are a vent for the M/C reservoir. Cheers - Dave
David DuBois

Thanks Dave. After soaking overnight in laquer thinner and tapping out dirty goo I pressured checked it on a tester I designed. It bubbled well out the top vent.
Mike
Mike Hart (52 TD 16378)

This thread was discussed on 26/07/2010

MG TD TF 1500 index

This thread is from the archive. The Live MG TD TF 1500 BBS is active now.