for d flushing job, if plan to DIY..still can use the oldskool skill without the need of flushing machine.
engine/atf/power steering all also can...
for engine, drain the old oil out, filter remain. pour engine oil and let it idle...drain it out again aftew few minutes..u can drain few times(depends). atf also same
power steering, u can remove the bottom fluid hose to let it drain out(easier way), then refill the fluid. turn steering max to left and right several times...drain it again.. repeat these steps until the fluid is at satisfied condition lo....