Engine Cooling

Coolant Pump - 5.4L (4V)











Removal and Installation
1. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding.
2. Drain the supercharger (SC) cooling system.
3. Disconnect the upper degas bottle hose, remove the 2 bolts and position aside the degas bottle.
^ To install, tighten to 8 Nm (71 lb-in).
4. Disconnect the upper SC degas bottle hose, remove the bolt and position aside the SC degas bottle.
^ To install, tighten to 8 Nm (71 lb-in).
5. Loosen the 4 coolant pump pulley bolts.
6. Remove the accessory drive belt. For additional information, refer to Drive Belts, Mounts, Brackets and Accessories.
7. Rotate the SC belt tensioner clockwise and remove the SC belt off the SC.





8. Remove the 4 coolant pump pulley bolts and the coolant pump pulley.
^ To install, tighten to 25 Nm (18 lb-ft).
9. Disconnect the coolant pump-to-lower radiator hose assembly.
10. Remove the 4 bolts and the coolant pump.
^ Discard the coolant pump O-ring seal.
^ To install, tighten to 25 Nm (18 lb-ft).
11. To install, reverse the removal procedure.
^ Install a new coolant pump O-ring seal and lubricate with clean engine coolant.
12. Fill and bleed the cooling system.
13. Fill and bleed the SC cooling system.