99 Durango doesn't have a Heater Control Valve, It only has a thermostat
'99 Durango
in the dipstick hole.
59/99 is equal to about 0.596.
No.
About 21 horsepower
A 1999 Durango does not have any part called a GPS sensor.
No.
no, not from the factory
With a scan tool,
No
in side the transmission