342 FUEL SYSTEM
Removal
Low-pressure Fuel Supply Pump and Tubing
Figure 526 Water drain valve
1. Open water drain valve and drain fu
el into a
suitable container.
Figure 527 Removing the transfer pump inlet
tube assembly
2. Remove the transfer pump inlet tube assembly.
Figure 528 Removing the transfer pump outlet
tube assembly
3. Remove the transfer pump outlet tube assembly.
Cap all pump openings to the fuel filter and
low-pressure fuel supply pump.
Figure 52 9 Rem o ving t
he low-pressure fuel
pump
1. Low-pressure fuel su
pply pump
2. Seal
4. Remove three mounti
ng bolts (M6 x 16)
and the low-pressu
re fuel supply pump from
high-pressure oi
l pump. Discard seal.
5. Check the low-pre
ssure fuel supply pump tappet
for cracks, burr
s and straightness. Replace
low-pressure fu
el supply pump if necessary.
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.