Mitsubishi Motors 4G9 - Manual (Page 86)

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4G9 ENGINE (E-W) - Injector and Fuel Pump Assembly (GDI)
11A-6c-6
"GAO-RING / FUEL PUMP INSTALLATION
(1) Apply engine oil to the roller of the fuel pump and O-ring.
(2) Insert the fuel pump into the mounting hole in the cylinder
head and lightly tighten the four bolts.
(3) Using a torque wrench (minimum graduations of 0.5 Nm),
follow these steps to tighten the fuel pump mounting bolts.
1) Tighten the bolts to 4.9 Nm in the order shown.
2) Tighten the bolts to 17 ± 2 Nm in the order shown.
Variations in torque among the four bolts should be
within 2 Nm.
Caution
Strictly observe the tightening order. A leak and other
problem could result if the torque specifications and
torquing order are not met.
"HA O-RING / BACKUP RING / FUEL PIPE
INSTALLATION
(1) Fit the backup rings and O-ring to both ends of the fuel
pipe. Mount the backup ring (thicker one) so that its inner
cut surface faces in the direction shown.
(2) Coat the O-rings on both ends of the pipe with spindle
oil or gasoline.
(3) Insert the fuel pipe straight into the mounting hole in
the delivery pipe. Insert it all the way into the hole, ensuring
that it does not twist.
(4) Tighten the bolts on both ends of the fuel pipe to the
specified torque.
PWEE9502-G E May 2000 Mitsubishi Motors Corporation Added
1
4
3
2
Backup ring
(no special orientation)
Backup ring
(thicker one)
Cut surface