Inside the transmission.
You need to take out the fuel tank and the regulator is on the top of the fuel pump
R134a
replace the pump
Chain
Yes
There isnt a fuse on a 98 durango, there is a Relay under the hood for the Horn Relay
No, they are of completely differnet styles.
On the side of the transmission
probably because you need new oil and Durango's are known to overheat.
It is in the fuel tank.
It cools the engine!
The 2002 Dodge Durango water pump bolt torque specification is 40 pounds. The water pump bolts should be torqued in 20 pound intervals.