Lower Intake Manifold: Installation

WARNING: This page is about a different variant/trim than selected.

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.

Install the 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 Tightening Sequence
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- Connect the coolant tube to the lower intake manifold.
- Connect the fuel injector electrical connectors.
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Install a new thermostat housing O-ring seal.

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

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Remove the waterproof plastic from the accessory drive belts.
Install the fuel rail sound insulators.

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Connect the fuel tube quick release coupling. Refer to: Quick Release Coupling .

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Install the upper intake manifold. Refer to: Upper Intake Manifold .
Connect the battery ground cable. Refer to: Battery Disconnect and Connect - Vehicles With: Single Battery . Refer to: Battery Disconnect and Connect - Vehicles With: Dual Batteries .
Fill the cooling system. Refer to: Engine Cooling System Draining, Vacuum Filling and Bleeding .