T M 9 - 2 8 1 5 - 2 0 2 - 3 4
CYLINDER HEAD REPAIR (Cont)
Replace injector tubes if cylinder head
leaked at injector tube during pressure test.
Replace injector tubes as follows:
Place injector tube installer (94) in injector
Insert pilot (96) through small hole in
injector tube and thread pilot in threaded
hole at end of installer (94).
Tap end of pilot (96) to loosen injector
tube. Lift injector tube, pilot, and installer
from cylinder head. Discard injector tube
(95) and seal ring (97).
(d) Thoroughly clean injector tube hole in cylinder head to remove dirt, burrs, or foreign
material preventing tube from seating properly.
(e) Lubricate injector tube seal (97) with engine oil and place in counterbore of cylinder head.
There are two injector tube installers, a fixed installer for the old style tube and an
adjustable installer for the current injector tube. The current tube has 606 stamped on
For proper installation of current injector tube, the installer must contact bottom of
injector tube before it touches flange at top. Clearance at top, between flange and tool,
should be 0.001 to 0.010 inch.
Place installer (94) in injector tube (95).
Then insert pilot (96) through small hole in
injector tube and thread into tapped hole at
end of installer.
Slip injector tube (95), installer (94), and
pilot (96) into injector bore and drive in
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