Fuel Pressure Regulator - Suzuki GA413 Service Manual

6E-64 ENGINE AND EMISSION CONTROL SYSTEM

FUEL PRESSURE REGULATOR

ON-VEHICLE INSPECTION
Perform fuel pressure inspection according to procedure de-
scribed in "Fuel Pressure Inspection" in this section.
REMOVAL
1) Relieve fuel pressure in fuel feed line. Refer to "Fuel Pressure
Relief Procedure" in Section 6.
2) Disconnect battery negative cable at battery.
3) Disconnect fuel injector connectors from injectors.
4) Disconnect vacuum hose from fuel pressure regulator.
5) Remove fuel delivery pipe from intake manifold.
6) Remove fuel injectors from fuel delivery pipe.
WARNING:
A small amount of fuel may be released when it is from
delivery pipe.
Place a shop cloth under delivery pipe so that re-
leased fuel is absorbed in it.
7) Remove fuel pressure regulator from fuel delivery pipe.
8) Disconnect fuel return hose from fuel pressure regulator.
INSTALLATION
For installation, reverse removal procedure and note the following
precautions.
D Use new O-ring.
D Apply thin coat of gasoline to O-ring to facilitate installation.
D Tighten fuel pressure regulator bolts to specified torque.
Tightening Torque
(a): 10 N
D Turn ignition switch ON position to operate fuel pump and after
3 seconds turn it OFF. Repeat this 3 or 4 times and then check
fuel leakage.
1. O-ring
.
m (1.0 kg-m, 7.5 lb-ft)