Cylinder Head and Valves
02
020
16
RG,RG34710,65 –19–13AUG99–5/5
RG8285 –UN–21MAY98
Removing Cylinder Head
NOTE: If removing head with camshaft installed,
camshaft will have to be rotated to remove two of
the cylinder head cap screws.
14. Remove 26 cylinder head cap screws with washers
and discard.
IMPORTANT: DO NOT use screwdrivers or prybars
between cylinder block and head to
loosen gasket seal. Screwdrivers and
prybars can damage head and block
gasket surfaces.
15. Carefully lift cylinder head from block using an
overhead hoist or floor crane. Place head on a clean,
flat surface.
16. Remove cylinder head gasket. Inspect gasket for any
manufacturing imperfections. Inspect head, gasket,
and check for possible oil, coolant, or combustion
chamber leakage.
NOTE: DO NOT rotate engine crankshaft with cylinder
head removed unless all cylinder liners are
secured with cap screws and large, flat washers.
(See REMOVE PISTONS AND CONNECTING
RODS in Group 030.)
CTM100 (06APR04)
02-020-16
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=88
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