Unit installation

2008 SCION xB FUEL INJECTOR REPLACEMENT
Procedure
Issue A: 04/28/08 Page 21 of 48
12. Fuel System.
(a) Disconnect the rear valve cover ventilation hose
from the cam cover, the 2 wire harness zip-tie
clamps from the fuel rail and the 4 fuel injector
electrical connectors. (Fig. 12-1). Blow dirt
a
nd debris away from fuel injectors and cylinder
head to prevent dirt from getting into engine.
(b) Disconnect factory fuel supply hose. Use SST
09268-21010. Caution: Fuel system is under
high pressure. Cover area with dry shop
rags and be sure to wear approved eye and
hand protection before beginning removal.
See Figures 12-2 and 12-3. Remove fuel line
from vehicle hard line.
(c) Remove fuel rail fasteners (12 mm wrench) and
then remove the fuel rail along with the 4 OE
fuel injectors. Be careful not to drop the fuel
injectors while removing the assembly.
CAUTION: The fuel rail will still have
gasoline in it. Use appropriate personal
protection (gloves and safety glasses). Use
shop rags to contain any spilled fuel.
(d) Remove factory fuel injectors from the fuel rail.
Check to ensure all o-rings have been removed
from the cylinder head
Fig. 12
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3
Fig. 12
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2
Fig. 12
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1