if the miles on the engine aren't too high, then just replace the head gaskets. if the whole engine is tired go ahead and swap out the motor. its a lot cheaper to do the gaskets then to buy a new motor.
No, they can be replaced with the engine in the vehicle, but it is not an easy repair.
well you dont repair the gasket itself you just replace them.
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
old gaskets, replace asap or risk losing your engine or transmission or some other catastrophic repair
You cannot repair a blown head gasket, you must remove the heads and replace the gasket.
Remove spark plugs and crank engine to blow coolant out. Put plugs back in and start engine. Pull inside garage to repair, or leave radiator cap loose and take to mechanic to replace gaskets if engine is not overheating too quickly to get it there.
i suggest you get a repair book.it is not easy
You should replace the head gasket. This repair is critical to the better performance of the vehicle, and to prevent future damage of the engine.
If it is the pump seal - replace the seal and other related gaskets. If it is the pump itself - replace the entire pump.
Driving a car with an overheated engine, will cause a build up of pressure that can blow gaskets and cause other internal damage. It's an expensive repair, or may require replacing the engine. Some engines can handle heat better, frequent motor oil changes are recommended for better performance...
Short answer, remove the heads and replace the head gaskets. If you want to know exactly how to do this, then purchase an Hayne's or Chilton's repair manual for your car.
Repair or replace.