F 550 2WD Super Duty V8-6.4L DSL Turbo (2008)
30. Connect the fuel injector return tube fitting at the check valve.
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Tighten to 28 Nm (21 lb-ft).
31. NOTE: Use a socket to aid in installing the pushnuts.
Install the glow plug module heat shield and pushnuts.
32. Connect the heater hose to the heater supply tube.
33. Install a new press-in-place gasket, the crankcase vent oil separator and bolts.
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Tighten to 13 Nm (115 lb-in).
