I got it out without having to remove the driveshaft.
1) Put car up on ramps.
2) Remove plastic sump guard with its umpteen fasteners all different sizes.
3) Take the tension off the belt by applying a long spanner to the idler pulley and than slip the belt off and tuck it out of the way.
4) Undo the long bolt on the clevis of the lower engine mount and the 1 bolt and 1 nut securing the bracket to the transmission housing. It is then possible to remove said long bolt past the exhaust pipe.
5)Undo the 3 bolts securing the exhaust to the manifold. Clout it with a hammer to break any sealant and then bend it over towards the left and secure it out of the way with a piece of baler twine. ( I love baler twine!!!)
6) Get a suitable piece of wood, push the bottom of the engine as far forward as you possibly can, and wedge said piece of wood between engine and subframe.
7) You will now be able to see or feel the 2 bolts holding the alternator. They are done up ridiculously tight. Mind you, mine hadn't been touched for 20 years. With a ratchet and a length of pipe I cracked them off and then they undid quite easily.
8) Remove the 2 wires from the alternator. It is now free!!!
But it still won't come out:devil:
.
9) Relocate piece of wood to right hand side.
10) Remove plastic bracket holding wires, 1 M8 bolt. Tie out of the way with a piece of baler twine
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11) Get a suitable oil catching container and undo the 2 banjo bolts holding the power steering pipes to the rack. Tie up out of the way with a piece of baler twine
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12) Wiggle the alternator out.
13) Sit down and have a rest - you've earned it!!!