WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
Apply soapy water to the upper arm bushing.
Press the bushing in using the SST
and a socket in the direction of the arrow.
Fig 1: Pressing Bushing In Using SST And A Socket In Direction Of Arrow