My 3S-GTE after lots of maintance:
-New timing belt, front seals and drive belts
-New water pump, radiator hoses and fresh Toyota antifreeze
-New valve stem seals
-Tune up ( 4 NGK plugs, fuel filter and Sumitomo plug wires )
-Replaced high pressure power steering hose and new p/s rack.
-New Toyota radiator and coolant.
-Replaced leaky oil cooler o-rings .