The parts for this car are not too expensive usually. I just took off the cap (I might have just loosened it) and that worked fine. If you take off the rotor you will need a 5mm hex also. I had a hard time finding that believe it or not.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra