Service Manual

Fuel Drain Lines ISB, ISBe and QSB (Common Rail [...]
Page 6-24 Section 6 - Injectors and Fuel Lines - Group 06
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Preparatory Steps
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.
Disconnect the batteries.
Remove
NOTE: Mark the location of all p-clips, and routing of fuel
drain lines, to ensure that they are replaced in the correct
location during reassembly.
Remove all capscrews from the fuel drainline.
Remove the fuel drain line from the fuel rail pressure relief
valve.
Remove the fuel drain line from the injector drain port at
the back of the cylinder head.