Lower Intake Manifold: Installation

WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If the engine is repaired or replaced because of upper engine failure, typically including valve or piston damage, check the intake manifold for metal debris. If metal debris is found, install a new intake manifold. Failure to follow these instructions can result in engine damage.

If the gaskets were removed for damage, install new lower intake manifold gaskets.

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Install the lower intake manifold and the bolts.
Torque: 89 lb.in (10 Nm)

Fig 1: Lower Intake Manifold Bolts Tightening Sequence
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Connect the coolant tube to the lower intake manifold.

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Install a new coolant tube O-rings seal.

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Position the thermostat housing and install the bolts.
Torque:Stage 1: 71 lb.in (8 Nm); Stage 2: 45 deg.

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Fill the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .
Install the port injection fuel rail. Refer to: Port Injection Fuel Rail .
Road test the vehicle.