Yes, you can.
A 2003 Jeep Liberty uses red, hoat, five year coolant.
Half an half
The fuel pressure of a 2003 Jeep Liberty Sport depends on the usage of the car. It can also depend on the elevation.
5 year, HOAT. Not Dexcool.
add r134a to the service port
i guess the '03 is newer?
On a 2007 Jeep Liberty Sport, it is located very low behind the bumber on the drivers side. ----
Mounted on top and inside the fuel tank.