Mazda MPV 1999-06

Removal & Installation

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2.5L And 3.0L Engines



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Battery and tray
     
    Water pump drive belt
     
    Water pump drive pulley
     
    Thermostat housing
     
    Water pump belt tensioner
     
    Oil cooler hose
     
    Water outlet pipe
     
    Water pump
     

  6.  

To install:

  1. Install or connect the following:

    Water pump. Tighten the bolts to 89 inch lbs. (10 Nm) plus 90 degrees.
     
    Water outlet pipe
     
    Oil cooler hose
     
    Water pump belt tensioner
     
    Thermostat housing
     
    Water pump drive pulley
     
    Water pump drive belt
     
    Battery and tray
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Start the engine and check for leaks.
  6.  

2.5L Engine



  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Battery and tray
     
    Water pump drive belt
     
    Water pump drive pulley
     
    Thermostat housing
     
    Water pump belt tensioner
     
    Oil cooler hose
     
    Water outlet pipe
     
    Water pump
     

  6.  

To install:

  1. Install or connect the following:

    Water pump. Tighten the bolts to 89 inch lbs. (10 Nm) plus 90 degrees.
     
    Water outlet pipe
     
    Oil cooler hose
     
    Water pump belt tensioner
     
    Thermostat housing
     
    Water pump drive pulley
     
    Water pump drive belt
     
    Battery and tray
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Start the engine and check for leaks.
  6.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Drive belt
     
    Fan clutch and shroud
     
    Water pump pulley
     
    Heater hose from the water pump inlet tube
     
    Lower radiator hose
     
    Water pump inlet tube
     
    Water pump and discard the gasket

    Click image to see an enlarged view

    Fig. Exploded view of the water pump 2.5L engines

     

  6.  

To install:

  1. Clean the mating surface with the water pump connects to the engine.
  2.  
  3. Install or connect the following:

    Water pump with a new O-ring. Torque the bolts to 15 ft. lbs. (20 Nm).
     
    Inlet tube. Torque the bolts to 89 inch lbs. (10 Nm).
     
    Lower radiator hose
     
    Water pump pulley
     
    Heater hose from the water pump inlet tube
     
    Fan clutch and shroud
     
    Drive belt
     
    Negative battery cable
     

  4.  
  5. Fill the cooling system.
  6.  
  7. Start the vehicle and check for leaks, repair if necessary.
  8.  

3.0L Engine





Click image to see an enlarged view

Fig. Exploded view of the water pump assembly-3.0L engine

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Air intake assembly
     
    Upper radiator hose
     
    Accessory drive belts
     
    Cooling fan and shroud
     
    Front cover
     
    Timing belt. Refer to the Timing Belt unit repair section.
     
    Water pump
     

  6.  

To install:

  1. Install or connect the following:

    Water pump. Tighten the fasteners to 14-18 ft. lbs. (19 -25 Nm).
     
    Timing belt
     
    Front cover
     
    Cooling fan and shroud
     
    Accessory drive belts
     
    Upper radiator hose
     
    Air intake assembly
     
    Negative battery cable
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Start the engine and check for leaks.
  6.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove or disconnect the following:

    Battery and tray
     
    Water pump drive belt
     
    Water pump drive pulley
     
    Thermostat housing
     
    Water pump belt tensioner
     
    Oil cooler hose
     
    Water outlet pipe
     
    Water pump
     

  6.  

To install:

  1. Install or connect the following:

    Water pump. Tighten the bolts to 89 inch lbs. (10 Nm) plus 90 degrees.
     
    Water outlet pipe
     
    Oil cooler hose
     
    Water pump belt tensioner
     
    Thermostat housing
     
    Water pump drive pulley
     
    Water pump drive belt
     
    Battery and tray
     

  2.  
  3. Fill the cooling system.
  4.  
  5. Start the engine and check for leaks.
  6.  

 
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