Cylinder Head and Valves
02
020
47
DPSG,OUO1004,929 –19–16JUL99–3/15
RG9160A –UN–21JUL99
Cap Plug
A—Cap Plug
6. Plug oil drain cavities in cylinder head with clean,
lint-free shop towels to prevent debris and hardware
from falling into drain cavity.
7. Remove rocker arm cover. (See REMOVE AND
INSTALL ROCKER ARM COVER in this group.)
8. Remove appropriate rocker arm assembly:
• Remove front rocker arm assembly for replacement
of injector sleeves 1 and 2.
• Remove both front and rear rocker arm assemblies
for replacement of injector sleeve 3.
• Remove rear rocker arm assembly for replacement
of injector sleeves 4, 5, and 6.
(See REMOVE ROCKER ARM ASSEMBLY in this
group.)
NOTE: If all six injector sleeves are to be replaced,
replace sleeves for cylinders 1 and 6, 2 and 5, 3
and 4 at the same time so crankshaft has to be
rotated only three times.
9. Remove electronic unit injector from injector sleeve
that is to be replaced. Refer to the appropriate fuel
system repair manual.
Delphi/Lucas ECU controlled fuel systems:
• See REMOVE AND INSTALL ELECTRONIC UNIT
INJECTORS in CTM115, Section 02, Group 090.
John Deere Level 6 ECU controlled fuel systems:
• See REMOVE AND INSTALL ELECTRONIC UNIT
INJECTORS in CTM188, Section 02, Group 090
(dual rail fuel systems).
• See REMOVE AND INSTALL ELECTRONIC UNIT
INJECTORS in CTM188, Section 02, Group 091
(single rail fuel systems).
IMPORTANT: Injector sleeve tip MUST BE plugged to
keep debris out of power cylinder while
tapping (threading) sleeve for removal.
10. Install small red cap plug (A) into injector sleeve tip.
Be sure plug is firmly seated in tip of sleeve.
CTM100 (06APR04)
02-020-47
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=119
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