Unit installation

2008 SCION xB FUEL INJECTOR REPLACEMENT
Procedure
Issue A: 04/28/08 Page 22 of 48
(e) Apply a light coat of gasoline or motor oil to the
fuel injector o-rings as needed. Install o-rings
into cylinder head. Carefully install the four
TRD hi-flow fuel injectors into the fuel rail.
(Fig. 12-4).
(
f) Install the fuel rail assembly. Be sure that the
two O.E. spacers and the o-rings are properly
seated in place. Check that the fuel injectors
rotate freely and then evenly tighten fuel rail
fasteners. (Torque to 15 ft-lbs). Re-check fuel
injector for freedom of rotation. If rotation is
not possible, check for binding.
(g) Install the fuel supply hose. Be sure it locks
properly and securely into place. Install the
factory Fuel Line Clamp over the connection at
the fuel rail and O.E. fuel hard line.
(h) Reconnect fuel injector electrical connectors
and ventilation hose.
Fig. 12
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