it is located on the tailshaft of the transmission
NoNo
The heater housing is behind the dash on the passenger side.
It is not a user-servicable fuel filter. It is located in the gas tank.
The clutch on a 2001 Ram is not adjustable.
No.
Yes
No, a 2001 Ram does not have a cabin filter.
Dodge does not use inertia/reset switches.
Two
buying a dodge was your first mistake
1500, no. 2500/3500, yes.