Not experienced this one, have had some rubbish rear slaves. Had some rear drums that were not even round! Poor/fake parts are rife today. Trading standards are swamped with issues on all sorts of stuff.
Send them back.
The above is correct. If military were short of Land Rovers and needed some in a hurry they would purchase a batch of standard civilian ones and use them for things like base transport/driver training ect.
So yes you can have ex military that...
Thanks for the advice, in the end I needed to buy a 2:25 temperature sender which matched up to the jaeger gauge. The 2:5 sensor is a different size and was not compatible with the jaeger.
Famous Four managed to source an adapter to allow to fit...
Picked it up from eBay £6.88, it's ok, although I got rid of the plastic covered locking screw and put a small bolt in so the locking pin doesn't shift 🤬...
Just a quick update on this. I went over the basics and it was a combination of a broken heater plug and dodgy wiring. not allowing a good connection. New glow plugs and relay and it is starting as it should.
The return to the reservoir is in the master cylinder, not so much a one way valve but a feed return way that the moment the pedal is pushed down some is shut off. This is why it is important that there is a tad of free play for the master...
I have done much the same as you plan with those two head bolts. Spring pressure is minimal compared to to pull of head bolts. Still I recon someone at Land Rover was having an off day and ran out of ideas when they came up with that plan.
I use Mid Ulster rotating electrics [ other depots around UK] They repair starters ect for classic vehicles and supply parts for those who fix themselves.