Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 471

13A-112
Mating marks
O-ring
Back-up ring A
Back-up ring B
1
4 2
GDI –
Fuel Pump (High Pressure)
INSTALLATION SERVICE POINTS
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 camshaft
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. Take
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.
Use a torque wrench with a precision of 0.5 Nm to tighten
3
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
AA PUMP CAMSHAFT CASE ASSEMBLY
INSTALLATION
position.
case assembly with the mating mark on the coupling, and
then install the pump camshaft case assembly to the
engine.
Caution
Be careful not to drop the O-ring.
BA BACK-UP RING B/O-RING/BACK-UP RING A
INSTALLATION
toward the opposite side of the O-ring as shown in
the illustration.
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)
CA FUEL RETURN PIPE/FUEL LOW-PRESSURE
PIPE/FUEL FEED PIPE INSTALLATION
DA FUEL PUMP (HIGH PRESSURE) INSTALLATION
illustration.
illustration. The overall difference in tightening torque
between the four bolts should be within 2 Nm.