jack the car up and stick your head under and look for a big tank.its that obvious.two big steel straps secure the tank to the bottom.what is'nt obvious is how much of a bitch the job is without a ramp and system of holding the tank up when u release a strap.that coupled with the grief u get when one or more of the strap mounting hole strips out from rust(usual).you would have to pretty determined to save money to diy.probably take you at least a morning if all went well.
caine, September 2008