LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2007 >> 3 Mazdaspeed, 2.3 L >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (L3 With TC) >> Fuel Injector Removal/Installation >> High Pressure Line Pipe Installation Note
April 5, 2026: LEMON Manuals is launched! Read the announcement.

High Pressure Line Pipe Installation Note

  1. Temporarily tighten the bolts in the order shown in the figure.
    Fig 1: Identifying Tightening Sequence Of High Pressure Line Pipe Bolts
    G04859677Courtesy of MAZDA MOTORS CORP.
  2. Tighten No.1 bolts shown in the figure.

    Tightening torque 

    17-23 N.m {1.8-2.3 kgf.m, 13-16 ft.lbf} 

  3. Tighten No.2 bolts shown in the figure.
    Fig 2: Installing High Pressure Line Pipe
    G04859678Courtesy of MAZDA MOTORS CORP.
    1. Fix the joint nut with a wrench on the high pressure fuel pump side as shown in the figure.
    2. Tighten the high pressure line pipe installation nut.

    Tightening torque 

    23.5-35.5 N.m {2.40-3.61 kgf.m, 17.4-26.1 ft.lbf} 

  4. Tighten No.3, No.4 bolts shown in the figure.

    Tightening torque 

    17-23 N.m {1.8-2.3 kgf.m, 13-16 ft.lbf}