16-3. FUEL INJECTION NOZZLE REPLACEMENT
This task covers:
General mechanics tool kit:
automotive (Appendix B, Item 1)
Injection nozzle remover (Appendix B, Item 32)
Crowfoot, 19-mm (Appendix B, Item 137)
Crowfoot, 7/8-in. (Appendix B, Item 142)
(rear injection nozzle only)
Gasket (Appendix G, Item 81)
l Hood raised and secured (TM 9-2320-387-10X
l Engine access cover removed (para. lo-221
(rear injection nozzles only).
l Battery ground cables disconnected (para. 4-68).
General Safety Instructions
Do not perform this procedure near fire, flames,
Diesel fuel is highly flammable. Do not perform this procedure
near fire, flames, or sparks. Severe injury or death may result.
Cover or plug all hoses, connections, and openings immediately after
disconnection to prevent contamination. Remove all covers or plugs
prior to connection.
Refer to engine decal model number on left rocker arm cover
before ordering replacement parts.
The replacement procedure for all eight injection nozzles is
basically the same. This procedure covers one injection nozzle.
Have drainage container available to catch fuel.
Perform step 1 if replacing
rear injection nozzles.
Loosen two clamps (6) and remove fuel return hose (2) and cap (10) from fuel injection nozzle (7).
Loosen two clamps (6) and disconnect fuel return hoses (2) from fuel injection nozzle (7) .
Remove screw-assembled washer (4) from clamp (3) and support bracket (1).
Loosen and disconnect two fuel injection line nuts (5) from fuel injection nozzles (7).
Using injection nozzle remover, remove fuel injection nozzle (7) and gasket (8) from cylinder head (9).
Discard gasket (8).