Suzuki 2006 SX4, Service Manual

Page: 331 / 1478

Fuel System: 1G-10
Fuel Injector Removal and Installation
S6RW0C1706008
WARNING
!
Before starting the following procedure, be
sure to observe “Precautions on Fuel System
Service” in order to reduce the risk of fire and
personal injury.
Removal
1) Relieve fuel pressure according to “Fuel Pressure
Relief Procedure”.
2) Disconnect negative cable at battery.
3) Remove air cleaner case and air suction hose
referring to “Air Cleaner Assembly Removal and
Installation in Section 1D”.
4) Disconnect fuel injector connector.
5) Disconnect fuel feed hose (4) from fuel delivery pipe
(1).
6) Remove fuel delivery pipe bolts (2).
7) Remove fuel injector(s) (3).
Installation
Reverse removal procedure for installation noting the
following.
• Replace injector O-ring (1) with new one using care
not to damage it.
• Check if cushion (2) is scored or damaged. If it is,
replace with new one.
• Apply thin coat of fuel to O-rings (1), and then install
injectors (3) into delivery pipe (4) and cylinder head.
Make sure that injectors rotate smoothly (6). If not,
probable cause is incorrect installation of O-ring.
Replace O-ring with new one.
• Tighten delivery pipe bolts (5) to specified torque and
make sure that injectors rotate smoothly.
Tightening torque
Fuel delivery pipe bolt (a): 25 N·m (2.5 kgf-m, 18.0
lb-ft)
• After installation, with engine OFF and ignition switch
ON, check for fuel leaks around fuel line connection.
2
1
4
3
3
I5RW0A170010-01
I3RM0A170011-01