Sequoia 2WD V8-4.7L (2UZ-FE) (2003)
a. Remove the bolt holding the clamp on the fuel return pipe to the LH delivery pipe.
b. Remove the bolt, 2 union bolts, 4 gaskets and front fuel pipe.
c. Disconnect the 8 injector connectors.
d. Remove the 4 nuts holding the delivery pipes to the lower intake manifold.
e. Remove the 2 delivery pipes, 8 injectors, 4 spacers and 8 insulators.
f.
Remove the O-ring and grommet from each injector.
INSTALLATION
1. INSTALL INJECTORS AND DELIVERY PIPES
NOTE:
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Be careful not to drop the injectors when installing the delivery pipes.
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Pay attention to put any hung load on the injector to and from the side direction.
a. Install a new grommet to each injector.
b. Apply a light coat of gasoline to a new O-rings and install it to each injector.
c. While turning the injector clockwise and counterclockwise, push it to the delivery pipes. Install the 8 injectors.
d. Position injector connector outward.
e. Place the 4 spacers and 8 new insulators on the intake manifold.
f.
Place the 2 delivery pipes and injectors assemblies on the lower intake manifold.
g. Temporarily install the 4 nuts.
h. Install the front fuel pipe with the bolt, 4 new gaskets and 2 union bolts.
Torque:
39 N.m (400 kgf.cm, 29 ft.lbf) for union bolts
7.5 N.m (80 kgf.cm, 66 in.lbf) for bolt
