Sentra 2008

Removal & Installation

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2.0L Engine



Specific to:

Nissan Sentra 2007-2012

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Drain the cooling system.
  4.  
  5. To remove the drive belt tensioner:

    Working underneath the vehicle, place a wrench on the tensioner idler pulley nut.
     
    Push the wrench clockwise and insert a short screwdriver in the hole that appears to the right of the tensioner to hold the tensioner in place.
     
    Remove the drive belt
     

  6.  
  7. Loosen the water pump bolts and remove the pump.
  8.  
  9. Remove all traces of gasket material from sealing surfaces.

    Click image to see an enlarged view

    Fig. Exploded view of the water pump (2), gasket (1), pulley (3)-2.0L engine

  10.  

To install:

  1. Install a new gasket:
  2.  
  3. Install the water pump and torque the bolts to 18 ft. lbs. (25 Nm).
  4.  
  5. Install the drive belt and hold the tensioner with a wrench to remove the screwdriver.
  6.  
  7. Fill the cooling system.
  8.  
  9. Start the vehicle, check for leaks and repair if necessary.
  10.  

2.5L Engine



Specific to:

Nissan Sentra 2007-2012

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Drain the cooling system.
  4.  
  5. Remove the engine undercover.
  6.  
  7. A special tool is needed to remove the drive belt tensioner. To remove the tensioner:
    WARNING
    Do not loosen the belt tensioner pulley bolt or turn the tensioner counterclockwise. If the bolt is loosened, the tensioner assembly must be replaced.



    Working underneath the vehicle, place tool J-46535 on the tensioner idler pulley and push clockwise.
     



    Insert a short screwdriver into the tensioner retaining boss to lock the tensioner in place
     
    Remove the drive belt
     

  8.  
  9. Remove the coolant reservoir.
  10.  
  11. Remove the Intelligent Power Distribution Module (IPDM) by unlocking the pawls and unplugging the connector.
  12.  
  13. Raise and safely support the vehicle and remove the right front wheel.
  14.  
  15. Remove the inner fender.
  16.  
  17. Remove the ground strap.
    NOTE
    The alternator and exhaust system may interfere with removal of the water pipe.

  18.  
  19. Loosen the water pump bolts and remove the pump.
  20.  
  21. Remove all traces of gasket material from sealing surfaces.

    Click image to see an enlarged view

    Fig. Exploded view of the water pump-2.5L engine

  22.  

To install:

  1. Install a new gasket:
  2.  
  3. Install the water pump and torque the bolts to 20 ft. lbs. (28 Nm).
  4.  
  5. Install the drive belt and hold the tensioner with the special tool to remove the screwdriver.
  6.  
  7. Reinstall the remaining components.
  8.  
  9. Fill the cooling system.
  10.  
  11. Start the engine, check for leaks and repair if necessary.
  12.  

 
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