Yes the upper radiator hose should be hot. Make sure you bled all of the air out of the system correctly and that there is coolant visible with the radiator cap off (obviously, don't take the cap off with the engine hot).
2000 WJ Laredo 4.7 NP242
3" Lift, 31" MT/Rs, Aussie Locked D44A, JKS sliders, more
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