Welcome to the forum.
Your Bounder should be almost identical to my Southwind. On my Southwind, its not possible. Mounted on top of the chassis frame rails is a sub frame that the coach floor mounts to. The gray and black tanks are fitted between these subframe rails, located directly above the fuel tank.
You should be able to see the backs of the gray and black tanks if you look carefully up inside your water service compartment.
Here is a article and photos of when I replaced my fuel pump.
F53 – Replace Fuel Pump – 1999 Southwind 35S
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Linear Mode
