No reason to if the intake gasket is the only problem you have.
If engine was running smooth and was not overheated then there is no reason to fool with the HEAD gaskets
For sure, replace ALL the gaskets involved. When you purchase, ask for a head gasket set and you will get all the gaskets that are used.
Replace the head gaskets.
You cannot repair a blown head gasket, you must remove the heads and replace the gasket.
Yes, you need to replace your intake gaskets.
If the gasket is replaced by you, then the only cost would be the replacement gaskets which do not cost much.
replace the cylinder gasket and check for cracks and replace the head gaskets
autozone.com has detailed instructions on replacing the gaskets.
You have a blown head gasket. Remove the heads and replace the gaskets. Also have the heads inspected for cracks.
To replace the valve cover gaskets on a 2003 Jeep Liberty, the valve cover is removed. The old gasket is then removed from both the valve cover and the manifold (old gasket will come off in pieces on both sides). Then spread the sealant on the manifold, place the new gasket on, then put sealant on top of the gasket and replace the valve cover and bolt down.
In short you have to take the head off, replace the gasket/s and replace the head. You best bring it to a pro.
I have always cleaned and re-used the bolts. But DO replace the gasket if there is one, don't re-use old gaskets.
If the valve cover gaskets are leaking, yes.