I don't want to hijack as OP needs answers but is it worth doing a suspension bush (is that what they're called) change all round be a worthwhile job on a 2005 GS - how hard a job for a mechanic is this? Mines going in for front ARB linkage change so wondered if worth doing at same time..
There are 4 suspension bushes per corner and 4 (surprisingly) damper bushes.
I did mine, you need a serious hydraulic press (at least 10 tonnes), good skills with a grinder and an inordinate amount of patience.
You need to disconnect the front brake pipes to get to the rear bolt of of the top wishbone at the front and to drop the rear subframe to do the same at the rear.
Having said all of that, along with a full geo, it has made a huge difference to the drive. It does feel tighter over bumps. There is so little rubber in the wishbone bushes (it's about 3 mm thick) that the ride will always be a bit knobbly in my opinion...
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