FRONT COVER AND RELATED COMPONENTS 159
Description
FRONT COVER ASSEMB LIES
The front cover assembly was modified as a
production running change from Generation 1 to
Generation 2 for International® DT 466, DT 570 and
HT 570 Diesel Engines.
• Generation 1 front cover assemblies include a
water pump wear plate; Generation 2 front cover
assemblies do not have a water pump wear plate.
• Generation 2 front cover assemblies have
additional bolts to secure the front cover (front
half) to the front cover (rear half).
• Generation 1 and Generation 2 front cover
assemblies are not interchangeable.
• Some Generation 2 front covers are equipped
withasoundshield. Whenreplacingafrontcover
equipped with a sound shield, replace it only with
a cover equipped with a sound shield, to ensure
that noise reduction requirements are maintained.
NOTE: If the (rear half) of a Generation 1 front
cover assembly needs to be replaced, install a new
Generation 2 front cover assembly (front and rear
half). The (rear half) of the Generation 1 front cover
assembly is not available for service.
See removal and installation procedures for
Generation 1 (Mounting Bolts) and Generation 2
(Mounting Bolts), listed in the Table of Contents in
this section.
GEROTOR OIL PUMP ASSEMBLY
Up to late Model Year 2006, all International® DT 466,
DT 570 and HT 570 Diesel Engines were equipped
with an 8 lobe gerotor oil pump.
Later in Model Year 2006, International® DT 466 (210
to 245 horsepower) Diesel Engines were equipped
with a 10 lobe gerotor oil pump.
NOTE: Removal, inspection, and installation
procedures for the Gerotor oil pump assembly, show
the 8 lobe gerotor oil pump. Removal, inspection,
and installation procedures for the 10 lobe gerotor oil
pump are the same as for the 8 lobe gerotor oil pump.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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