Find the low side service port and screw a charge hose with freon can attached. Turn AC to max recirc and then slowly add till it gets down to 50 degrees.
check coolant level
A 1991 Dodge Dakota will have either a V6 or a V8 engine.
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.
The heater core on a Dodge Dakota is inside the HVAC housing, under the dash.
yes
About 4.5 quarts
It is in the fuel tank.
YesYes
The firing order should be 1-8-4-3-6-5-7-2.