On the Villager, replacing both gaskets is most easily done by removing the engine from the vehicle.
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.
It requires replacing the head gasket.
It is a good idea, most the time you blow a head gasket the head will be warped.
I take it you mean the head gasket. Head gaskets are pretty cheap, but the labor is high. If it is a V 6 or V8 you may have to do only one side. A lot would depend on what engine you have. I don't know if it is a car, boat or what, so it is hard to say what all is involved. You do have to remove the head from the engine to install a head gasket.
Yes.
Average cost to replace a head gasket is $1000
Your cylinder head gasket needs replacing.
shop vac
It could, if the old gasket had failed.
no
how long does it take
Resurfacing the head of an engine is necessary when replacing the head gasket. An improperly surfaced head will not allow a tight seal and can result in a costly repair.