The fuel pump relay in a 1997 Pontiac Bonneville is found under the hood of the car in front of the wiper blades. To access the pump relay, there is a plastic cover with three tabs which must first be removed.
Refrigerant is added to a 1997 Pontiac Grand Am by removing the cover on the low pressure coolant line and attaching a can of refrigerant. The valve on the can is then opened and the system will automatically pull the refrigerant in.
To replace the thermostat on a 1997 Pontiac Grand Am 3.1, first disconnect the negative battery terminal and loosen the clamp on the radiator hose. Next, remove the mounting bolts from the thermostat housing and insert the new thermostat.