Two possible main issues:
1. Access to the rear bush bolts (18mm) - these are usually quite tight, and may need a log spanner or two combo spanners hooked together to get them to shift. I unbolt the anti-roll bar bushes and move the ARB out of the way to get better access to the rear bush bolts - you can then get to them using a long breaker bar or ratchet bar with an 18mm socket onto the bolts.
2. Shifting the inner tapered ball joint of the arm that goes into the subframe. I have always managed to shift this using a large bearing puller or heavy duty ball joint splitter - there are other approaches that were discussed on here a few days ago, involving placing a hammer head between the arm and subframe, then using the downward force of the spring to break the taper joint.
The outer lower pinch joint where the arm goes into the bottom of the hub should not be too much of a problem, although sometimes the pinch bolt can seize. Try to soak everything before you start (ideally the day before) in penetrating fluid (plus gas or similar).
Good luck and let us know how it goes.
Pete
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