1995 Buick Roadmaster Owner's Manual - Page 235

LOW COOLANT LEVEL If this light comes on, it means you're low on coolant. See "Low Coolant Light'' in the Index. Surge Tank Pressure Cap NOTICE: Your surge tang cap is 15 psi (105 Wa) a pressure-type tap and must be tightly installed to prevent toolad loss and possible engine damage from overhdatiag. When you replace your surge tank pressure a GM cap, cap is recommended. J To Add Coolant I you need more coolant, add proper mix at the f the surge tank, but only whenthe engine is cool. Thermostat Engine coolant temperature controlled by a thermostat is in the engine coblant system. thermostat stops the The flow of coolant throughthe radiator until the coolant reaches a preset temperature. When you replace your thermostat, an AC@ thermostat is recommended. When replacingthe pressure cap, make sure is tight. it 6-19