High Pressure Line Pipe Installation Note

Temporarily tighten the bolts in the order shown in the figure.

Fig 1: Identifying High Pressure Line Pipe Bolts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
Tighten bolts of No. 1 shown in the figure.
Tightening torque

17-23 N.m {1.8-2.3 kgf.m, 13-16 ft.lbf}
Tighten high pressure line pipe installation nut of No. 2 shown in the figure.

Fig 2: Tightening High Pressure Line Pipe Installation Nut
Courtesy 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

24-35 N.m {2.5-3.5 kgf.m, 18-25 ft.lbf}
Tighten bolts of No. 3, No. 4 shown in the figure.
Tightening torque

8-11 N.m {82-112 kgf.cm, 71-97 in.lbf}