Tracker 2000-2004

Oil Pump

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Overhaul



1.6L Engine
  1. Inspect the following for the excessive wear or damage:

    The oil pump outer gear
     
    The oil pump inner gear
     
    The oil pump cover
     
    The oil pump body
     

  2.  
  3. Measure the radial clearance between the oil pump outer gear and the oil pump body using a feeler gage. Replace the oil pump outer gear and/or oil pump if the clearance exceeds 0.310 mm (0.0122 in).
  4.  
  5. Measure the side clearance between the oil pump gears and a straightedge using a feeler gage. Replace the gears if the clearance exceeds 0.15 mm (0.0059 in).
  6.  

2.0L And 2.5L Engine
  1. Inspect the following for excessive wear or damage:

    The oil pump outer gear
     
    The oil pump inner gear
     
    The oil pump cover
     
    The oil pump body

    Click image to see an enlarged view

    Fig. Measuring the radial clearance between the oil pump outer gear and oil pump body using a feeler gauge-2.0L and 2.5L engines



    Click image to see an enlarged view

    Fig. Measuring the side clearance between the oil pump gears and straightedge using a feeler gauge-2.0L and 2.5L engines



    Click image to see an enlarged view

    Fig. Measure the free length of the oil pressure relief spring -2.0L and 2.5L engines



    Click image to see an enlarged view

    Fig. Measure the oil pressure relief spring tension -2.0L and 2.5L engines

     

  2.  
  3. Measure the radial clearance between the oil pump outer gear and the oil pump body using a feeler gauge. Replace the oil pump if the clearance exceeds 0.15 mm (0.0059 in).
  4.  
  5. Measure the side clearance between the oil pump gears and a straightedge using a feeler gauge. Replace the oil pump if the clearance exceeds 0.11 mm (0.0043 in).
  6.  
  7. Measure the free length of the oil pressure relief spring. Replace the spring if the free length is less than 63.5 mm (2.5 in).
  8.  
  9. Measure the oil pressure relief spring tension. Replace the spring if the tension is less than 62 lbs. at 2.05 in. (86.0 Nm at 52mm).
  10.  

Removal & Installation



1.6L Engines
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Drain the cooling system.
  6.  
  7. Remove or disconnect the following:
    NOTE
    The oil pump bolts are different lengths. Note their location for assembly.



    Negative battery cable
     
    Accessory drive belts
     
    Crankshaft pulley
     
    Front cover
     
    Timing belt. Refer to the Timing Belt unit repair section.
     
    Alternator and bracket
     
    A/C compressor and bracket, if equipped
     
    Oil pan and oil pump pickup tube
     
    Crankshaft timing sprocket
     
    Oil pump
     



    Click image to see an enlarged view

    Fig. Oil pump housing short (1) and long bolt (2) locations-1.6L engines

  8.  

To install:

  1. Install or connect the following:

    Oil pump with a new gasket. Tighten the bolts to 97 inch lbs. (11 Nm).
     
    Crankshaft timing sprocket. Tighten the bolt to 94 ft. lbs. (130 Nm).
     
    Oil pan and oil pump pickup tube
     
    A/C compressor and bracket, if equipped
     
    Alternator and bracket
     
    Timing belt
     
    Front cover
     
    Crankshaft pulley. Tighten the bolts to 12 ft. lbs. (16 Nm).
     
    Accessory drive belts
     
    Negative battery cable
     

  2.  
  3. Fill the crankcase to the correct level.
  4.  
  5. Start the engine and check for leaks.

    Click image to see an enlarged view

    Fig. Exploded view of the oil pump housing-1.6L engines

  6.  

2.0L Engine
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Drain the engine oil.
  4.  
  5. Remove or disconnect the following:
    WARNING
    Do not remove the sprocket from the oil pump. Damage to the oil pump center shaft and abnormal pump operation may result.



    Negative battery cable
     
    Oil pan and pickup tube
     
    Oil pump sprocket cover
     
    Oil pump
     

  6.  

To install:

  1. Install or connect the following:

    Oil pump. Tighten the bolts to 20 ft. lbs. (27 Nm).
     
    Oil pump sprocket cover. Tighten the bolts to 108 inch lbs. (12 Nm).
     
    Oil pan and pickup tube
     
    Negative battery cable
     

  2.  
  3. Fill the crankcase to the correct level.
  4.  
  5. Start the engine and check for leaks.

    Click image to see an enlarged view

    Fig. Exploded view of oil pump-2.0L and 2.5L engines

  6.  

 
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