Service Manual

Fuel Pressure Relief Valve ISB, ISBe and QSB (Common Rail [...]
Page 6-100 Section 6 - Injectors and Fuel Lines - Group 06
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Install
Inspect and clean the sealing surface between the rail and
the fuel pressure relief valve.
Install the fuel pressure relief valve and tighten.
NOTE: Overtightening the fuel pressure relief valve can
result in a leak.
Torque Value: 100 N•m [ 74 ft-lb ]
Finishing Steps
3.9L and 5.9L Engines
Connect the fuel pressure relief valve line.
NOTE: The fuel pressure relief valve drain line may either
have a banjo fitting, or a quick-disconnect fitting. Be sure
that the fuel drain line is securely locked, if a quick-
disconnect fitting is used.
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.
4.5L and 6.7L Engines
Remove any tape placed over the opening in the intake.
If applicable, Install the air intake combination
temperature and pressure sensor.
If applicable, Install the cap screw holding the combination
temperature and pressure sensor in place. Refer to
Procedure Procedure 100-002 (Engine Views) for sensor
location.