Mitsubishi 4G6 Series 1991 Specifications download pdf (Page 50)

4G6 ENGINE (E-W) -

Fuel Part (GDI)

11A-5a-4

PUMP CAMSHAFT CASE INSTALLATION

(1) Lubricate the O-ring (smaller one for oil passage) with

vaseline and install it in the pump camshaft case.

(2) Apply small amount of engine oil to the O-ring (larger

one) in the case.

(3) Install the pump camshaft case onto the cylinder head

while aligning its coupling with the groove in the camshaft

end.

NOTE

The key of the coupling and the groove in the camshaft

end are both arranged offset with respect to the camshaft

center.

(4) Tighten the pump camshaft case mounting bolts to the

specified torque.

FUEL PRESSURE SENSOR INSTALLATION

(1) Install the backup ring to the fuel pressure sensor with

its inside cut surface in the illustrated direction.

(2) Install the fuel pressure sensor straight into the fuel

pressure regulator with labeled surface upward.

(3) Tighten the fuel pressure sensor mounting bolt to the

specified torque.

FUEL HIGH PRESSURE REGULATOR / FUEL

RETURN PIPE INSTALLATION

(1) Install the fuel high pressure regulator on the pump

camshaft case and tighten the 3 bolts lightly (with

somewhat larger torque than finger tight). Tightening to

the specification is to be carried out in the step described

in "

(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 the 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.

AddedPWEE9616-A

Aug. 1998Mitsubishi Motors Corporation

Grooved

Coupling

Camshaft

O-ring

Backup ring

Cut surface

Backup ring

(Mountable in

eitherdirection)

O-ring

Backup ring

Cut surface

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Mitsubishi 4G6 Series 1991 Specifications Page 50

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