Service Manual

ISB, ISBe and QSB (Common Rail [...] Fuel Pump
Section 5 - Fuel System - Group 05 Page 5-27
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Install a new square cut o-ring onto the fuel pump drive
access cover.
Install the fuel pump drive access cover with a 3/8-inch
drive ratchet. The plate is threaded into the gear cover.
Finishing Steps
With Electric Lift Pump
• For engines with a low mount fuel filter, install the fuel
filter head. Refer to Procedure 006-017 in Section 6.
• Install the low-pressure fuel supply lines. Refer to
Procedure 006-024 in Section 6.
• Install the low-pressure fuel drain lines. Refer to
Procedure 006-013 in Section 6.
WARNING
Batteries can emit explosive gases. To reduce the
possibility of personal injury, always ventilate the
compartment before servicing the batteries. To
reduce the possibility of arcing, remove the negative
(-) battery cable first and attach the negative (-)
battery cable last.
• Connect the batteries. Refer to the OEM service
manual.
• Prime the fuel system. See the Prime section in this
procedure.
• If the fuel pump was replaced due to a fuel leak from
the weep hole or a fuel in oil complaint, then it is
necessary to measure the fuel inlet restriction and fuel
drain line restriction. A fuel line restriction can result in
a fuel pump leak. Use the following procedures to
check fuel inlet restriction and drain line restriction.
Refer to Procedure 006-020 in Section 6. Refer to
Procedure 006-012 in section 6.