Where does the bolts go in on water pump of a 2003 e250?

2. Remove the bolts that hold the water pump in place. There are typically four or six bolts.

3. Carefully remove the water pump from the engine.

4. Clean the mating surface of the water pump and the engine block.

5. Apply a thin layer of sealant to the mating surface of the water pump.

6. Reinstall the water pump and tighten the bolts.

7. Fill the cooling system with coolant.