Hi Iain, It's a bit too involved to detail here, your best bet is to buy a "Haynes" type manual or try your local library they might have a copy or could get one, with the manual you will get pictures of how it's done and all the torque figures for rebuilding
nigel
March 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.