F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
31. Remove the upper intake manifold.
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Lift the intake manifold.
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Disconnect the intake manifold tuning valve connector.
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Remove the intake manifold and discard the gaskets.
32. If required, remove the bolts and the water crossover.
Installation
1. CAUTION: Do not use metal scrapers, power abrasive discs or any abrasive means to clean the sealing surfaces, these tools cause scratches and
gouges that make leak paths. Use a plastic scraper only.
Clean all the sealing surfaces.
2. If removed, install the water crossover.
