F 350 4WD Super Duty V8-5.4L (2009)
18. NOTE: Lubricate the new O-ring seal with clean engine oil prior to installation.
If servicing the fuel rail, remove the 2 bolts and the fuel rail pressure and temperature sensor.
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Discard the O-ring seal.
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To install, tighten to 4 Nm (35 lb-in).
19. NOTICE: Use O-ring seals that are made of special fuel-resistant material. Use of ordinary O-rings can cause the fuel system to leak.
NOTE: Lubricate the new O-ring seals with clean engine oil prior to installation.
Remove the fuel injectors from the intake manifold and discard the upper and lower fuel injector O-ring seals.
20. To install, reverse the removal procedure.
