what size motor?
Depends on who performs the repair and if the head needs resurfacing or replacing. Get estimates from trusted mechanics.
possibly blown head gasket
yes
YesYes
Change it
There could be several things that will make your 2005 Grand Cherokee Limited overheat even if you just changed your radiator. There may be a head gasket blown.
maybe you need a new head gasket?
It is probable that you have a blown cylinder head gasket. It's possible you need a new thermostat. Depends on where it is bubbling from. From the top of the engine? Cylinder head gasket. From the overflow on the coolant reservoir, thermostat.
The 2012 Jeep Grand-Cherokee has 39.9 in. of front head room.
The 2010 Jeep Grand-Cherokee has 39.3 in. of rear head room.
The 2004 Jeep Grand-Cherokee has 39.7 in. of front head room.
The 2013 Jeep Grand-Cherokee has 39.9 in. of front head room.