His passing rocked a few of us pretty bad. It seems that as Aurions are getting cheaper, they are replacing the Corolla as the more commonly discussed vehicle on the boards. Things are starting to liven up after the Christmas down-time period. I think it is a litle quieter these days as well. Overall moving along fairly well.
You could buy a workshop manual, it will give you a more elaborate description than we can possibly give you. Essentially you are just removing and replacing each component. You will also need to swap over the vacuum lines and valves to suit.
By the sounds of it, the click is the solenoid throwing pinion out, however the motor is not spinning. You can try giving the starter a soft tap with a hammer when the key is turned to get you out of trouble.