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Home >> Mazda >> 2020 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> High Pressure Fuel Pump Removal/Installation >> High Pressure Fuel Pump Installation Note

High Pressure Fuel Pump Installation Note

  1. Remove the front splash shield (RH). (See FRONT SPLASH SHIELD REMOVAL/INSTALLATION .)
  2. Rotate the crankshaft approx. 59 degrees from TDC of cylinder No. 1.
    G13569873Courtesy of MAZDA MOTORS CORP.
  3. Insert the high pressure fuel pump into the rear housing.
  4. Press in the high pressure fuel pump until the O-ring cannot be seen.
  5. Temporarily tighten the high pressure fuel pump installation bolt on one side until its head contacts the high pressure fuel pump.
  6. Tighten the high pressure fuel pump installation bolt which is not tightened in Step 4

    Tightening torque 

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

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

    Tightening torque 

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