O-Ring/Fuel Pump Installation; O-Ring/Backup Ring/Fuel Pipe Installation - Mitsubishi 4G9 User Manual

11A-6c-6
4G9 ENGINE (E - W) -
1
4
Backup ring
(no special orientation)
Backup ring
(thicker one)
E
Mitsubishi Motors Corporation
Injector and Fuel Pump Assembly (GDI)
"GA O-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
(3) Using a torque wrench (minimum graduations of 0.5 Nm),
3
2
"HA O-RING / BACKUP RING / FUEL PIPE
(1) Fit the backup rings and O-ring to both ends of the fuel
(2) Coat the O-rings on both ends of the pipe with spindle
(3) Insert the fuel pipe straight into the mounting hole in
Cut surface
(4) Tighten the bolts on both ends of the fuel pipe to the
May 2000
head and lightly tighten the four bolts.
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.
INSTALLATION
pipe. Mount the backup ring (thicker one) so that its inner
cut surface faces in the direction shown.
oil or gasoline.
the delivery pipe. Insert it all the way into the hole, ensuring
that it does not twist.
specified torque.
PWEE9502-G Added