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Home >> Mazda >> 2004 >> 6 s, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Pump Unit Removal/Installation >> Fuel Pump Cap Installation Note
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Fuel Pump Cap Installation Note

  1. Align the fuel pump unit alignment marks and the floating lines as shown in the figure.
    Fig 1: Aligning Fuel Pump Unit Alignment Marks & Floating Lines
    G01024561Courtesy of MAZDA MOTORS CORP.
  2. Align the tightening start positions of the fuel pump cap and the retainer notch as shown in the figure, and tighten them one full rotation  by hand.
    • If the fuel pump cap cannot be tighten by hand, remove the fuel pump cap, verify that there is no damage or misalignment on the retainer and fuel pump cap, and then tighten again.
    Fig 2: Aligning Tightening Start Positions Of Fuel Pump Cap & Retainer Notch
    G01024562Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • The fuel pump cap could be damaged if the SST is used with any play between the fuel pump cap and the SST. Securely attach the SST so that there is no gap between the SST brackets and the side of the cap.
  3. While keeping the alignment mark and the floating lines aligned, tighten the fuel pump cap to the rotation angle and specified torque using the SST  .
    • If the specified torque cannot be obtained even when the fuel pump cap is rotated to the specified rotation angle, replace with a new fuel pump cap and retainer and repeat Step 3.

    Rotation angle 

    50-140° 

    (Total angle for Step 2 and Step 3 is 410-500°.) 

    Cap tightening torque 

    80-135 N. m {8.2-13.7 kgf.m, 59-99 ft.lbs}