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4G9 ENGINE (E-W) -
Injector and Fuel Pump Assembly (GDI)
11A-6c-5
(2) Fit the backup rings and the O-ring on both ends of the
fuel return pipe. Note that the larger backup ring must
be installed with the inside cut surface in the direction
shown in the illustration.
(3) Lubricate the O-rings on both ends of the pipe with spindle
oil or gasoline.
(4) Insert the fuel return pipe ends straight in the respective
mounting holes of t h e pressure regulator and the delivery
pipe. Be sure to insert the pipe fully to the stop using
care not to twist it.
(5) Tighten the bolts at both ends of the pipe to the specified
torque.
"
F
A
FUEL PUMP / FUEL FEED PIPE INSTALLATION
(1) Insert the fuel pump into the mounting hole in the pump
camshaft case <for CARISMA> or in the cylinder head
<for PAJERO io>, and secure it temporarily with 4 bolts
(tighten somewhat with a larger torque than fingertight).
(2) Fit the backup rings and the O-ring on both ends of the
feed pipe. Note that the larger backup ring must be
installed with the inside cut surface in the direction shown
in the illustration.
(3) Lubricate the O-rings on both ends of the pipe with spindle
oil or gasoline.
(4) Insert the fuel feed pipe ends straight in the respective
mounting holes of the fuel and the delivery pipe. Be sure
to insert the pipe fully to the stop using care not to twist
it.
(5) Tighten the bolts at ends of the pipe to the specified
torque.
(6) Tighten the mounting bolts of the fuel pressure regulator
to the specified torque.
(7) Using a torque wrench having the minimum scale of 0.5
Nm, tighten the fuel pump mounting bolts in the following
order.
1) Tighten the bolts to 5 Nm in the order given in the
illustration.
2) Tighten the bolts to 17 Nm in the order given in the
illustration. The torque variation among 4 bolts must
be within 2 Nm.
Caution
Strictly observe the specified tightening torque.
Deviation from the specification can cause problems
such as leakage or the like.
PWEE9502-E
E
Dec. 1998MitsubishiMotors Corporation Added
Backup ring
Cut surface
<CARISMA>
1
2
3
4
<PAJERO io>
3
21
4