Water Pump

REMOVAL & INSTALLATION

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Drain the coolant into a suitable container.
3. Remove or disconnect the following:
   • Negative battery cable
   • Engine undercover
   • Radiator outlet hose
   • Radiator fan motor assembly
   • Water pipe bypass pipe retaining bolt
   • Accessory drive belts
   • Timing belt and tensioner
   • Camshaft Position (CMP) sensor
   • Left side camshaft pulleys and left side rear timing belt cover
   • Tensioner bracket
   • Radiator hose and heater hose from the water pump
   • Water pump retainer bolts
   • Water pump

     Fig. 1: Exploded view of the water pump mounting and related components

     Fig. 2: Water pump bolt tightening sequence

   To install:

4. Clean the gasket mating surfaces thoroughly. Always use new gaskets during installation.
5. Install or connect the following:
   • Water pump. Torque the bolts, in sequence, to 84-120 inch lbs. (10-14 Nm). After tightening the bolts once, retighten to the same specification again.
   • Radiator hose and heater hose to the water pump
   • Left side rear timing belt cover, left side camshaft pulleys and tensioner bracket
   • CMP sensor
   • Timing belt and tensioner
   • Accessory drive belts
   • Water pipe bypass pipe retaining bolt
   • Radiator fan motor assembly
   • Radiator outlet hose
   • Engine undercover
   • Negative battery cable
6. Fill the system with coolant.
7. Start the engine and allow it to reach operating temperature.
8. Check for leaks.