FUEL INJECTION (FUEL SYSTEMS)(H4DOTC DIESEL) > Suction Control Valve
CAUTION:
• Do not wear cotton work gloves during the procedures, until the suction control valve is completely installed to fuel pump.
• Use new suction control valve.
• Do not hit tools to the fuel delivery pipes and fuel return pipes.
• Be sure to apply engine oil to large and small O-rings.
1. Install the suction control valve to fuel pump.
(1) Apply new engine oil to the entire circumference of large O-ring, and install it to the O-ring groove of fuel pump housing.
(2) Apply new engine oil to the entire circumference of small O-ring.
(3) Install the suction control valve so that the connector is placed on the cylinder block side.
(4) Tighten the securing bolts alternately by hand until the suction control valve flange is in close contact with fuel pump housing.
(5) Tighten the securing bolts for suction control valve.
Tightening torque:
1st
4 N·m (0.4 kgf-m, 3.0 ft-lb)
Second
9 N·m (0.9 kgf-m, 6.6 ft-lb)
2. Connect the connector for suction control valve.
3. Clean the suction control valve vicinity, and perform air blow.
5. Pump the priming pump on top of the fuel filter assembly to fill the fuel system with fuel.
NOTE:
Pump the priming pump until it is stiff.
6. Connect the ground cable to battery.
8. Make sure there are no fuel leaks from the intake manifold vicinity and flange area of suction control valve.
9. Install the collector cover.