626 1999-2001

Oil Pump

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Removal & Installation



2.0L (Fs) Engine

Specific to:

Mazda 626 1999-2002

Mazda Protege 2001-2003

Mazda Protege5 2002-2003

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Crankshaft pulley
     
    Timing belt cover
     
    Timing belt
     
    Timing belt pulley
     
    Oil pan
     
    A/C compressor and move it aside, leaving the refrigerant lines attached
     
    A/C compressor mounting bracket
     
    Alternator
     
    Transaxle
     
    Two bolts at the rear of the oil pan upper block, on 1.8L (FP) engines or if equipped with a manual transaxle on 2.0L (FS) engines
     
    Rubber caps at the bottom surface, then remove the two bolts from the upper block through the holes uncovered by removing the caps, if equipped an automatic transaxle, on 2.0L (FS) engines
     
    Oil pan upper block bolts using 2-3 steps in the sequence illustrated
     
    Oil pan upper block using a rubber mallet and a suitable separator tool
     
    Oil pump body bolts and the oil pump body
     
    Seal from the oil pump, if the pump is being replaced

    Click image to see an enlarged view

    Fig. Exploded view of the oil pump and related components for the 2.0L (FS) engines



    Click image to see an enlarged view

    Fig. Remove the rubber caps at the bottom surface of the upper block, if equipped an automatic transaxle-2.0L (FS) engines



    Click image to see an enlarged view

    Fig. Remove the oil pan upper block bolts using 2-3 steps in the sequence illustrated-2.0L (FS) engines



    Click image to see an enlarged view

    Fig. Remove the oil pan upper block using a rubber mallet and a suitable separator tool-2.0L (FS) engines

     

  4.  

To install:

  1. Clean the oil, dirt and old sealant from all contact surfaces.
  2.  
  3. If the oil seal was removed from the oil pump, apply clean engine oil to the lip of the seal. Push the seal in lightly be hand. Press the seal, with a protrusion of 0-0.019 inch (0-0.5mm) into the oil pump.
  4.  
  5. Apply 0.04-0.07 inch (1-2mm) bead of sealant to the oil pump at the locations illustrated
  6.  
  7. Install or connect the following:

    Oil pump. Torque the bolts to 14-18 ft. lbs. (19-25 Nm).
     
    Oil pan
     

  8.  
  9. Apply a bead of sealant 0.08-0.11 inch (2-3mm) the mating surface of the upper block as illustrated, place the block assembly into position and tighten the bolts in sequence illustrated to 18 ft. lbs. (25 Nm) using 2-3 steps.

    Two bolts at the rear of the oil pan upper block, on 1.8L (FP) engines or if equipped with a manual transaxle on 2.0L (FS) engines and torque to 95 inch lbs. (11 Nm) and install the caps

    Click image to see an enlarged view

    Fig. Apply 0.04-0.07 inch (1-2mm) bead of sealant to the oil pump-2.0L (FS) engines



    Click image to see an enlarged view

    Fig. Apply a bead of sealant 0.08-0.11 inch (2-3mm) the mating surface of the upper block-2.0L (FS) engines



    Click image to see an enlarged view

    Fig. Tighten the upper block bolts in this sequence-2.0L (FS) engines

     
    Two bolts to the upper block through the holes uncovered by removing the caps, if equipped an automatic transaxle, tighten the bolts to 95 inch lbs. (11 Nm)
     
    Transaxle, if equipped with a manual transaxle
     
    Air conditioning compressor bracket
     
    Air conditioning compressor
     
    Oil pan
     
    Timing belt pulley
     
    Timing belt
     
    Timing belt cover
     
    Crankshaft pulley
     
    Negative battery cable
     

  10.  
  11. Fill the engine with clean oil.
  12.  
  13. Start the vehicle, check for leaks and repair if necessary.
  14.  

2.5L (Kl) Engine

Specific to:

Mazda 626 1999-2002

Mazda Millenia 1999-2002

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Negative battery cable
     
    Crankshaft pulley
     
    Timing belt cover
     
    Timing belt
     
    Timing belt pulley
     
    Oil pan
     
    A/C compressor and move it aside, leaving the refrigerant lines attached
     
    A/C compressor mounting bracket, if necessary
     
    Alternator
     
    Oil baffle
     
    Alternator bracket
     
    Oil pump body bolts and the oil pump body
     
    Seal from the oil pump, if the pump is being replaced

    Click image to see an enlarged view

    Fig. Exploded view of the oil pump and related components for the 2.5L (KL) engines

     

  4.  

To install:

  1. Clean the oil, dirt and old sealant from all contact surfaces.
  2.  
  3. If the oil seal was removed from the oil pump, apply clean engine oil to the lip of the seal. Push the seal in lightly be hand. Press the seal, with a protrusion of 0-0.019 inch (0-0.5mm) into the oil pump.
  4.  
  5. Apply clean engine oil to the NEW O-ring and install it in the pump
  6.  
  7. Install or connect the following:

    Oil pump bolts in the locations illustrated noting the location and length of the bolts. The long bolts A are 1.6 inch (40mm) long and the short bolts B are 1 inch (25mm) long. Torque the bolts to 14-18 ft. lbs. (19-25 Nm).
     
    Oil baffle and torque the bolts in sequence to 14-18 ft. lbs. (19-25 Nm)

    Click image to see an enlarged view

    Fig. Apply clean engine oil to the NEW O-ring and install it in the pump-2.5L (KL) engines



    Click image to see an enlarged view

    Fig. The oil pump bolts are different lengths, make sure to install them where indicated. The long bolts Aare 1.6 inch (40mm) long and the short bolts Bare 1 inch (25mm) long-2.5L (KL) engines



    Click image to see an enlarged view

    Fig. Tighten the oil baffle and torque the bolts in sequence-2.5L (KL) engines

     
    Alternator bracket
     
    Air conditioning compressor bracket
     
    Air conditioning compressor
     
    Oil pan
     
    Timing belt pulley
     
    Timing belt
     
    Timing belt cover
     
    Crankshaft pulley
     
    Negative battery cable
     

  8.  
  9. Fill the engine with clean oil.
  10.  
  11. Start the vehicle, check for leaks and repair if necessary.
  12.  

 
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