Blown head gasket or cracked head.
Coolant Recovery Reservoir. There is no sensor in the coolant recovery tank on a 1998 Buick Regal.
Radiator full and coolant recovery tank filled to mark Radiator full and coolant recovery tank filled to mark
Coolant recovery tank
Coolant is fluid that flows through a device in a vehicle to prevent overheating, The coolant level sensor is located on the bottom side of the coolant recovery tank.
When all the coolant in the radiator and coolant tank heats up the volume will increase and force it's way through the weakest point which would probbaly be the cap on the recovery tank - if you have filled the recovery tank to the maximum you had better take half of it out.
to the coolant recovery tank if so equipped - if no coolant recovery tank then not connected to anything - just an overflow
Check coolant level in recovery tank Perhaps a bad sensor. Sensor located in coolant recovery tank
There is a symbol and light for temperature but, there is no symbol for low coolant. You need to raise the hood and take a look at the coolant recovery tank. That will tell you if it is low or not.
Follow the small hose from the radiator. It goes to the recovery tank.
Check coolant level in coolant recovery tank and radiator
You don't "fill up" the water pump. The water pump is just a pump that moves coolant throughout the engine cooling system. You add coolant at the radiator or the coolant recovery tank.
Normal antifreeze levels in the coolant recovery tank are around the half way point. This is usually marked with an Full or F on the side.