Could anyone confirm how the pushrod assembly from a Lockheed Brake Servo (as fitted to the MK1 S) comes apart. I need to replace the shaft itself and am guessing that is crimped in at the bottom where the indent marks are at the bottom as shown in the pic.

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1965 MK1 English Morris Cooper S (Downton)
1967 MK1 Morris Cooper S
1972 Clubman GT (6/72 Cadiz)
1968 MG Midget

Problem solved. It is crimped in.

Now have it apart and can now get new rods machined.

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1965 MK1 English Morris Cooper S (Downton)
1967 MK1 Morris Cooper S
1972 Clubman GT (6/72 Cadiz)
1968 MG Midget

You can buy these new from J&L Spares in the UK at about 30 dollars (exchange). http://www.jlspares.com/sealkits1.htm

I re-chromed my pushrod, and then drilled and pinned the joint as a home fix.

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SooperDooperMiniCooperExpertEngineering

All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.

Thanks for the info Mick. I will pick a couple up from them when I am over in the UK in July.

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1965 MK1 English Morris Cooper S (Downton)
1967 MK1 Morris Cooper S
1972 Clubman GT (6/72 Cadiz)
1968 MG Midget

It might be worth considering having them made from stainless rod. The chrome always flakes, rusts and cuts the seal.
I have had some machined down to size at a local engineer.

If rechroming the rod you want 'hard chrome', not decorative. A problem with SS is it is way softer than chrome, it does not wear nearly as well.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.