First you have to get to the Serpentine belt side of the engine, that typically means removing the passenger side motor mount. Remove whatever is in the way; Any coolant hoses that are blocking access, Radiator fan, AC compressor (don't disconnect the hoses, just unbolt it then lift it to the side. Once you have easy access, remove the upper head cover, spark plugs/wires (mark them so you'll know where they go when you're putting it back together). In times past it was called the rocker cover, but now there are no rockers, it's just the two camshafts in a Saturn SL2. Once you get to that point, the head bolts are easily accessible. Remove the exhaust manifold. (that's when it's important to have the radiator fan out of the way)
You will also need to remove the front timing cover, and timing components. there is a procedure for removing the timing chain so that you dont damage the valves inside the cylinder head. also, some late model 98 DOHC engines use a different cylinder head setup, and you will have to remove the camshafts in order to gain access to the head bolts. there is a sequence in removing the head bolts so that you dont warp the cylinder head. same for installation. You can disconnect the down pipe from the exhaust manifold, and leave the radiator in place. the body has enough clearance to remove the cylinder head with both the intake and exhaust manifold in place.
Drain the water from your 1998 Chevy Lumina oil pan. Remove the oil pan retaining bolts. Remove the old oil pan gasket and clean the surface. Put the new oil pan gasket on and reverse the process.
Replacing an oil pan gasket on a 1998 Saturn SL2 is best done by a trained mechanic. It can be tricky to remove the oil pan gasket in order to install a new one, even though the item itself is readily available at most auto supply retailers.
open hood. take out bolts. hold in hand. unplug wires. all done
You will need to drain the oil from your 1998 Oldsmobile Aurora oil pan. Remove the oil pan retaining bolts. Remove the oil pan gasket and clean the surface. Put the new gasket on and reverse the process.
You have to drain the radiator, water goes to it, and remove the bolts, and remove the housing, a pain but take your time.
Remove the Serpentine belt. Pull the bolts that hold the water pump in place (5 or 6, something like that). Then the water pump should pull out of the block. It may be held in place with some gasket sealer, so once you have the bolts out you can pull hard on the pump. Remove the pulley by turning the 3 bolts. Put it all back together in reverse order. You may need to remove a couple parts to get to the pump.
The head gasket seals between the head and block. The head gasket is inside the engine, up high.
10mm
located at the end of the upper radiator hose. remove two bolts, replace with new parts remember to replace the gasket.
Blown head gasket or cracked head.
The oil pan of a 1998 Plymouth Voyager is quite easy to remove. Simply remove the series of bolts around the housing of the pan. Make sure to purchase a new gasket when replacing the pan.
To remove the back seat of a 1998 Toyota Corolla, you will need to remove the carpet to expose the bolts for the seat. Then, loosen the bolts by removing the nuts. You can then remove the seat.