Water Pump: Service and Repair

CAUTION:
Aluminum Components
Do not work on aluminum engine components until the engine is cold.

Cleaning Aluminum Surfaces
Do not use abrasive grinding discs to remove gasket material; use only plastic manual scrapers. Do not scratch or gouge aluminum sealing surfaces.

Removing Aluminum Components
When removing engine components, always remove retaining bolts in reverse of tightening sequence or damage to engine components may occur.

REMOVAL
1. Drain engine coolant.
2. Remove cooling fan motor, fan blade (8600) and fan shroud (8146) assembly.
3. Rotate drive belt tensioner (6B209) and remove drive belt (8620).
4. Remove retaining bolts and water pump pulley (8509).
5. Remove power steering pump pulley (3A733) and remove water pump-to-power steering pump brace.
6. Remove heater water outlet tube retaining bolts and heater water outlet tube (18663) from water pump (8501).
7. Disconnect lower radiator hose (8286) from water pump.

CAUTION: If using a prying device to assist in water pump removal, be careful not to damage the mating surfaces.

8. Remove water pump retaining bolts, stud bolts and nuts. Remove water pump. Discard old water pump housing gasket (8507).

INSTALLATION

NOTE: Lightly oil all bolt and stud threads before installation except those specifying special sealant with clean engine oil meeting Ford specification WSS-M2C153-F.

1. Clean gasket surfaces on water pump and engine front cover (6019).

NOTE: Gasket and Trim Adhesive F3AZ-19B508-B or equivalent meeting Ford specifications ESR-M11P17-A and ESE-M2G52-A is recommended to hold the water pump housing gasket in position.

2. Position a new water pump housing gasket on water pump sealing surface.

NOTE: The threads of the No.1 water pump retaining bolt must be coated with Pipe Sealant with Teflon(R) D8AZ-19554-A or equivalent meeting Ford specifications WSK-M2G350-A2 and ESR-M18P7-A before installing.

3. Position water pump on the engine front cover. Install retaining bolts, stud bolts and nuts.
- Tighten retaining bolts and studs to 20-30 Nm (15-22 ft. lbs.).
- Tighten retaining nuts to 8-12 Nm (71-106 inch lbs.).
4. Inspect O-ring (replace as necessary) and install heater water outlet tube to water pump. Tighten retaining bolts to 8-12 Nm (71-106 inch lbs.).
5. Install lower radiator hose to water pump. Tighten clamps securely.
6. Install water pump-to-power steering pump brace and install water pump pulley.
7. Install water pump pulley and retaining bolts. Tighten retaining bolts to 21-29 Nm (16-21 ft. lbs.).
8. Position drive belt over pulleys. Rotate drive belt tensioner and install drive belt.

CAUTION: This engine has aluminum cylinder heads (6049) and requires a special corrosion inhibiting coolant formula to avoid cooling system damage. for the coolant specifications.

9. Fill engine cooling system with specified coolant.
10. Start engine and check for coolant leaks.