Sentra 1998

Removal & Installation

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1.6L Engine



Specific to:

Nissan Sentra 1997-1999

  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
     
    Cylinder head front mounting bracket and loosen the water pump pulley bolts
     
    Engine drive belts
     
    Water pump pulley
     
    Coolant hoses from the water inlet and thermostat housing
     
    Water pump and thermostat housing
     

  6.  
  7. Remove all traces of gasket material from sealing surfaces.
  8.  

To install:

  1. Apply a continuous bead of liquid sealer to the sealing surface of the thermostat housing. The sealant should be 0.079-0.118 in. (2-3mm) diameter.

    Click image to see an enlarged view

    Fig. Apply RTV sealant to the water pump sealing surface as shown

  2.  
  3. Install or connect the following:

    Water pump. Torque the bolts to 56-73 inch lbs. (7-8 Nm).
     
    Pulley to the water pump and tighten the mounting bolts to 56-73 inch lbs. (7-8 Nm)
     
    Coolant hoses to the thermostat housing
     
    Drive belts and adjust as needed
     
    Cylinder head front mounting bracket
     
    Negative battery cable
     

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

2.0L Engine



Specific to:

Nissan Sentra 1997-2001

  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
     
    Right front wheel
     
    Engine side and front covers
     
    Loosen the water pump pulley bolts
     
    Drive belts
     
    3 lower water pump bolts and position a jackstand under the engine
     
    Front engine mount
     
    Water pump
     

  6.  
  7. Remove all traces of liquid gasket material from sealing surfaces.
  8.  

To install:

  1. Apply a continuous bead of liquid sealer to the mating surface of the water pump. Sealer should be 0.079-0.118 in. (2-3mm) wide.
  2.  
  3. Install or connect the following:

    Water pump and torque the bolts to 12-15 ft. lbs. (16-21 Nm)
     
    Front engine mount and remove the engine support
     
    Water pump pulley. Torque the mounting bolts to 55-73 inch lbs. (6-8 Nm).
     
    Drive belts and adjust as needed
     
    Engine front and side cover
     
    Right front wheel
     
    Negative battery cable
     

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

 
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