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MG TD TF 1500 - Brake progress

I've got my rear brakes pretty well set up. I've got my front brakes fitted as well, everything looks OK. But I've got leaks from both front brakes.
I've replaced 100% of the brake lines and hoses. I rebuilt all the cylinders using the repair kits, but I've still got leaks.

I'm considering just throwing in the towel and buying the full set of 6 new cylinders from moss.
Has anybody used these and found problems with them?
Geoffrey M Baker

I put all new Moss cylinders on my TD recently and have had no problems with them at all. The price is right compared to resleeving. I figured it wasn't worth messing with the old cylinders after having done that in the past with so-so results.

Mark
Mark Strang

Look carefully where the leaks are coming from - most often they come from rough cylinder bores, or rough copper washers. If rough cylinders, replace. Smooth out the copper line/hose washers and re-anneal them, and then you can crank things down until the leaks are gone. You can be more forceful than you think here.

Tom Lange
MGT Repair
t lange

Geoff, when I did the DOT5 conversion and installed the [power brake servo I opted to buy Moss' 6-cylinder set. No problems. The price was right. Bud
Bud Krueger

Tom mentioned re-annealing the copper washers. Is re-annealing commonly done when ever doing brake work. The copper washers that I have come across are usually pretty stiff whether new from the suppliers or re-using . I know re-annealing will soften should it be done every time ???
Jon Levine

I anneal washers any time I re-do brakes - I hang them on a wire, heat them with a torch until they are cherry red, then dunk them in a bucket of water to remove any scale or oxidation.

Tom Lange
MGT Repair
t lange

Geoff,

I recently had Moss wheel cylinders installed on my 1950 TD. So far, no problems, though it was hard to get good pedal pressure after also installing new rear shoes. A few preliminary pumps seems to be the ticket when going down the mountain.


Charlie Duffy
Healdsburg, CA
Charles Duffy

Brake test is showing one LH front cylinder leaking badly, small leaks from LH bleeder & maybe banjo and bleeder on RH. If it's the bleeder the only thing to do is tighten it down, right? And if that doesn't stop it a new bleeder...
Geoffrey M Baker

Geoffrey. I had the same problems :... leaking banjo's .
Don't buy new ones from M .. because they ALL leak.

Gerard
Gerard Hengeveld

Geoff,

When I put my brakes back together after being in pieces for 40 plus years I had leaks at almost every connection. It took a little over a month tightening everything up to finally stop all the leaks.
Rich (TD 3983) Taylor

BTW; nice trick for one-person operation if you haven't tried it to check for leaks is to use a 1" strap clamp (mine cost about $8) on the shoes. I slipped it on cinched it up and cranked it down and it held the shoes nicely while I pumped the pedal. On the LHF side I could watch the fluid spurt out of the leaking cylinder :)
Geoffrey M Baker

This thread was discussed between 13/03/2014 and 16/03/2014

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