Can you be just a little more specific? Fix what? the latch mechanism, a hinge? Do you want to know how to take it off?
yes
If same size, yes.
It is part of the pump module in the fuel tank.
take the bolts out id reckon
It is loacated in and is part of the fuel pump module in the tank.
Check with your local part store for a bypass pulley or belt.
in the exhaust pipe, one in front and one behind the catalytic converter
Yes
There wasn't a 1998 Dodge Ram 1500 diesel.
No.
1-8-4-3-6-5-7-2 clockwise.
No, the 1994 has a hydraulic governer. The 1998 has a electrical governer.