"Does the top or bottom heater hose from the firewall go to the water pump on a 1991 Dodge Dakota V6?" The top heater hose from the firewall goes to the water pump and the bottom hose from the firewall goes to the top of the block where the temperature thermostat housing is located.
It is in the fuel tank.
A 1991 Dodge Dakota will have either a V6 or a V8 engine.
Drain the water from the cooling system. Remove the water hose from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
No.
The trans in a Dakota is not controlled by vacuum.
It is possible.
A 1991 Dakota does not use a mass airflow sensor.A 1991 Dakota does not use a mass airflow sensor.
yes
About 4.5 quarts
YesYes
The firing order should be 1-8-4-3-6-5-7-2.