My '98 SC400 has 110k mi. and I am going to Lex dealer next week for timing belt & water pump change. While there I am also going to have them replace the fuel filter, serpentine belt, replace the power steering fluid and clean the filter(s). I did recently change out the trans. and diff. fluids. Is there anything else that should be replaced, inspected or changed while there? FYI: I bought the car about 2 years ago with 87k mi and I don't know what preventative maintenance was done before I got it.