Suzuki SY413 Service Manual page 3114

1. Fuel pressure regulator
2. Return hose
3. Vacuum hose
ELECTRONIC FUEL INJECTION SYSTEM (G13/G16 ENGINE WITHOUT WU TWC) 6E1-81
FUEL PRESSURE REGULATOR
REMOVAL
1) Relieve fuel pressure in fuel feed line. Refer to "FUEL PRES-
SURE RELIEF PROCEDURE" in Section 6.
2) Disconnect battery negative cable from battery.
3) Disconnect vacuum hose from fuel pressure regulator.
4) Disconnect fuel return hose from fuel pressure regulator.
CAUTION:
A small amount of fuel may be released when hose is
disconnected. Cover hose to be disconnected with a
shop cloth.
5) Remove pipe clamp bolts.
6) Remove fuel pressure regulator.
CAUTION:
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.
INSTALLATION
For installation, reverse removal procedure and note the following
precautions.
Use new O-ring.
Apply thin coat of spindle oil or gasoline to O-ring to facilitate
installation.
With engine "OFF" and ignition switch "ON", check for fuel leaks
around fuel line connection.