Owner's Manual
Page 220
... coolantloss and possible engine damage from overheating. If this light comes on, it is cool. When you replace your surge tank pressure cap, a GM cap is controlled by a thermostat in the engine coolant system. The thermostat stops the flow of coolant through the radiator until the coolant reaches a preset temperature. When replacinp the...
... coolantloss and possible engine damage from overheating. If this light comes on, it is cool. When you replace your surge tank pressure cap, a GM cap is controlled by a thermostat in the engine coolant system. The thermostat stops the flow of coolant through the radiator until the coolant reaches a preset temperature. When replacinp the...