2.
Disconnect the return hoses (A,B) connected with the injectors and the common rail.
Common Rail Fuel Injection System is subject to extremely high pressure (Approximately 1,600 bar)
Never perform any work on injection system with engine running or within 30 seconds after the engine stops.
Always pay attention to safety precaution.
Ensure the absolute cleanliness.
It is not recommended to remove the injectors without any notice.
Remove the air cleaner assembly (Refer to group "EM" in this Shop Manual).
Disconnect the return hoses (A,B) connected with the injectors and the common rail.
Disconnet the fuel feed hose quick-connector (A) and the return hose quick-connector (B).
Disconnect the fuel pressure regulator valve connector (A) and the fuel temperature sensor connector (B).
Disconenct the high pressure pipe (A) connecting the common rail with the high pressure pump.
Unscrew the mounting bolts (A) and remove the high pressure fuel pump (B) from the engine.
Install the high pressure fuel pump according to the reverse order of "REMOVAL" procedure.
When installing the high pressure pipe, apply the specified tightening torques to the flange nuts of the high pressure pipe side and the common rail side with SST (Refer to below table).
Item | Dimension | SST No. |
Flange Nut (HP Pump Side) | 14 mm (0.551 in) | 09314-27110 |
Flange Nut (Common Rail Side) | 17 mm (0.669 in) | 09314-27120 |
High pressure fuel pump mounting bolts: 19.6 ~ 26.5 N·m (2.0 ~ 2.7 kgf·m, 14.5 ~ 19.5 lbf·ft)
High pressure pipe flange nuts (Common Rail ↔ HP Pump): 24.5 ~ 28.4 N·m (2.5 ~ 2.9 kgf·m, 18.1 ~ 20.1 lbf·ft)
