Water Pump: Service and Repair
Removal1. Drain engine cooling system, remove cooling fan motor/fan blade and fan shroud assembly.
2. Release drive belt tensioner and remove drive belt.
3. Remove four bolts retaining water pump pulley to water pump and remove water pump pulley.
4. Remove four bolts retaining water pump to engine and remove water pump.
Typical 4.6L Water Pump:
Installation
1. Replace O-ring type water pump housing gasket and clean sealing surface of cylinder block.
2. Lubricate water pump housing gasket with Ford Premium Cooling System Fluid E2FZ-19549-AA (in Canada, Motorcraft CXC-8-B) or equivalent meeting Ford specification ESE-M97B44-A.
3. Position water pump on engine and install four retaining bolts. Tighten to 20-30 N-m (15-22 lb-ft).
4. Position water pump pulley on water pump and install four retaining bolts. Tighten bolts to 20-30 N-m (15-22 lb-ft).
5. Install drive belt.
6. Install cooling fan motor/fan blade, fan shroud assembly and fill engine cooling system.
7. Check for leaks.