F 450 4WD Super Duty V10-6.8L VIN S (1999)
3. If required, install the fuel injector supply manifold.
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Position the fuel injection supply manifold.
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Install the seven bolts.
4. Position the thermostat and water outlet connector.
5. Install the upper intake manifold.
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Position the upper intake manifold gaskets and the intake manifold, and loosely install the bolts.