I would think you would start by removing the heads, unplugging any wires or connectors that may be in your way "mark them as you remove them to avoid confussion". and as you replace the gaskets make sure that the surface of the block is completely clean. When you put the head back on, be sure to torque all the bolts to OEM's specifications. Then connect all your wires and connectors to there proper connector partners, then your finished.
how to check fuse for horn in a 1998 Pontiac sunfire
i would not recommend it
split the fob halfs and the battery will be on the backside of the board!
See stvndberryhill's answer under 1998 Sunfire horn relays. It is explained in great detail. The guy knows what he's talking about.
See stvndberryhill's answer under 1998 Pontiac Sunfire horn relays. This answer applies to all year models of Pontiac Sunfires.
R134a
check this site------>
Off the water pump
Most likely, replace the ignition coil packs.
* Remove the front bumper fascia * Unplug the horn electrical connector and remove the bracket bolt
22 and 17
Yes