Service Manual
ISB, ISBe and QSB (Common Rail [...] Fuel Supply Lines
Section 6 - Injectors and Fuel Lines - Group 06 Page 6-61
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Disconnect the fuel line from the high pressure fuel pump
to the fuel rail.
Disconnect the fuel line from the fuel filter to the high
pressure fuel pump.
NOTE: Identify the location(s) where the p-clip(s) are
located on the fuel line for correct installation of the fuel
line.
Disconnect the fuel line from the ECM cooling plate to the
fuel filter.
Clean and Inspect for Reuse
Inspect for cracks, wear, or pinched areas.
Check the tips for damage, rounding, or cracking; replace
if necessary.