Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 61

13A-16
Mating marks
O-ring
Back-up ring A
Back-up ring B
Fuel
pump
(high
pres-
1
3
sure)
4 2
Fuel Pump (High Pressure) and Fuel Pump (High Pressure) and
GDI <4G6> - GDI <4G6> -
Fuel Pressure Regulator (High Pressure) Fuel Pressure Regulator (High Pressure)
INSTALLATION SERVICE POINTS
"AA PUMP CAMSHAFT CASE ASSEMBLY
1. Set the No.1 cylinder to the compression top dead centre
O-ring
2. Align the mating mark on the housing of the pump
"BA BACK-UP RING B/O-RING/BACK-UP RING A
Install the back-up rings and the O-ring as shown in the
illustration.
Caution
1. Install the back-up ring B facing its cutaway surface
Cutaway
surface
2. Confirm the outer diameter of the back-up ring A.
"CA FUEL RETURN PIPE/LOW-PRESSURE FUEL
Apply a small amount of fresh engine oil to the O-ring.
Caution
Take care not to let any of the engine oil get inside the
fuel pump (high pressure), fuel pressure regulator (high
pressure) or the delivery pipe assembly.
"DA FUEL PUMP (HIGH PRESSURE) INSTALLATION
Use a torque wrench with a precision of 0.5 Nm to tighten
the fuel pump mounting bolts according to the following
procedure.
1. Tighten the bolts to 5 Nm in the order shown in the
2. Tighten the bolts to 17 Nm in the order shown in the
INSTALLATION
position.
camshaft case assembly with the mating mark on the
coupling, and then install the pump camshaft case
assembly to the engine.
Caution
Take care not to drop the O-ring.
INSTALLATION
toward the opposite side of the O-ring as shown in
the illustration.
Take care not to install the back-up ring for the fuel
pressure sensor by mistake. (Outer diameter of the
back-up ring A: 14.8 mm)
PIPE/FUEL FEED PIPE INSTALLATION
illustration.
illustration. The overall difference in tightening torque
between the four bolts should be within 2 Nm.