Indeed it should. It should have a multi position key start switch. 1. off 2. auxillaries (I think, can't remember on a S3) and steering lock off. 3. ignition 4. glow plugs (against a spring) 5. start Sounds like somebody had by-passed it in prefence to replacing it. The button with the...

More likely to run on C1 premium paraffin (greenhouse heaters) than C2 Kerosene (domestic boilers). Land Rover engines were designed to run on low quality fuel, but not quite that low. I'd say if you were to fit twin tanks and use a change over valve once hot there's a good chance she'll run...

Torque wind up? Had you been running in 4wd on a dry road?

Yes, all the way. No Also good idea to disconnect both feed & return pipes from the heater & back flush through with hose pipe.

Goodo. Job's a good un. :)

Yep, no problem to remove the yellow ringed bolts. However, they are a bit fiddly to get back in because there is a thin blanking plate sits under the stick bracket on top of the bell housing and its difficult to keep it in place with the holes lined up, especially for the 2nd bolt. Have fun...