High-Pressure Oil Pump And Ipr Valve Assembly; Ipr Valve Assembly; High-Pressure Oil Pump - Navistar INTERNATIONAL DT 466 Service Manual

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High-pressure Oil Pump and IPR Valve Assembly

IPR Valve Assembly

Figure 562 IPR valve assembly
1. O-ring seal #015 (green)
2. Back-up ring seal
3. O-ring seal #016 (green)
4. O-ring
5. IPR valve assembly
1. Install new O-rings onto IPR valve assembly.
Figure 563 Installing the IPR valve
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
FUEL SYSTEM
2. Install the IPR valve into the high-pressure pump
assembly finger tight.
installation tool (Table 48) and a torque wrench
to tighten IPR valve to the special torque value
(Table 47).

High-pressure Oil Pump

NOTE: A high-pressure pump inlet filter service kit
is available. See (TSI-09-12-02 High-pressure Pump
Assembly Inlet Filter Service Kit, page483 ).
1. Use petroleum jelly to hold a new O-ring gasket
into the recessed groove, located on the backside
of the front cover.
2. Position high-pressure oil pump making sure gear
meshes with upper idler gear.
Figure 564 Installing the high-pressure pump
assembly
EGES-265-2
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
Use the IPR removal /