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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> High Pressure Fuel Pump Removal/Installation >> High Pressure Fuel Pump Installation Note
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High Pressure Fuel Pump Installation Note

  1. Rotate the crankshaft clockwise from TDC (position shown in figure) of cylinder No. 1.

    Without Coolant Control Valve 

    G13149521Courtesy of MAZDA MOTORS CORP.

    With Coolant Control Valve 

    G13149522Courtesy of MAZDA MOTORS CORP.
  2. Insert the high pressure fuel pump into the rear housing.
  3. Press in the high pressure fuel pump until the O-ring cannot be seen.
  4. Temporarily tighten the high pressure fuel pump installation bolt on one side until its head contacts the high pressure fuel pump.
  5. Tighten the high pressure fuel pump installation bolt which is not tightened in Step 4.

    High pressure fuel pump installation bolt tightening torque 

    19-25 N.m {2.0-2.5 kgf.m, 15-18 ft.lbf}

  6. Tighten the high pressure fuel pump installation bolt which was tightened in Step 4.

    High pressure fuel pump installation bolt tightening torque 

    19-25 N.m {2.0-2.5 kgf.m, 15-18 ft.lbf}