It is not an easy job. This is a major repair that only someone who is qualified should undertake.
Replace the valve cover gasket.
With tools
how to change head gasket on 1997 acura
replace the head gasket
It is not possible to repair the actual head gasket. Repair of a blown head gasket is to replace the gasket.
unscrew take old out, drop new in with gasket put baqck screws IF YOU DONT KNOW HOW TO CHANGE A THERMOSTAT, LEAVE YOUR HOOD CLOSED!
you go to a Machanic.
Head Gasket to replace
Low engine coolant
~$600
The gasket for a 1997 pickup was around $40.00-$50.00, if i remember right and that was at NAPA.
The cost to replace a head gasket in a 1997 Buick Park Avenue ranges from $20 to $180+. This varies based on brand, store and labor costs.