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SEF702X
SEF703X
Injector
REMOVAL AND INSTALLATION
NHEC0026
1. Release fuel pressure to zero.
2. Remove intake manifold collector. Refer to EM-19, “TIMING
CHAIN”.
3. Remove fuel tube assemblies in numerical sequence as
shown in the figure at left.
4. Expand and remove clips securing fuel injectors.
5. Extract fuel injectors straight from fuel tubes.
I Be careful not to damage injector nozzles during removal.
I Do not bump or drop fuel injectors.
6. Carefully install O-rings, including the one used with the pres-
sure regulator.
I Lubricate O-rings with a smear of engine oil.
I Be careful not to damage O-rings with service tools, fin-
ger nails or clips. Do not expand or twist O-rings.
I Discard old clips; replace with new ones.
7. Position clips in grooves on fuel injectors.
I Make sure that protrusions of fuel injectors are aligned
with cutouts of clips after installation.
SEF704XA
8. Align protrusions of fuel tubes with those of fuel injectors.
Insert fuel injectors straight into fuel tubes.
9. After properly inserting fuel injectors, check to make sure that
fuel tube protrusions are engaged with those of fuel injectors,
and that flanges of fuel tubes are engaged with clips.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
BASIC SERVICE PROCEDURE
Injector
EC-51
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