i guess the '03 is newer?
Yes.
Most Likely it is a 45RFE. The 2003 and on have a 42RLE. The 45 will handle more torque. It was used in Dodge trucks and Grand Cherokee.
about 3 cans
Probably in the housing at the end of the upper radiator hose
R134aR134a
No
A 2003 Jeep Liberty uses red, hoat, five year coolant.
Yes, you can.
The fuel pressure of a 2003 Jeep Liberty Sport depends on the usage of the car. It can also depend on the elevation.
Half an half
On a 2007 Jeep Liberty Sport, it is located very low behind the bumber on the drivers side. ----
It says on the tag mounted on the radiator core support(of the 2002) 1.63lbs.
i guess the '03 is newer?
5 year, HOAT. Not Dexcool.
1-6-5-4-3-2
Mounted on top and inside the fuel tank.