Intake Manifold Installation

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Intake Manifold Studs

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NOTE: Refer to Fastener Notice .

Fig 2: Installing Intake Manifold

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Install the intake manifold studs in the manifold face.
Tighten: Tighten the intake manifold studs to 6 N.m (60 lb in).

IMPORTANT: Gaskets must be clean. Swollen gaskets should be replaced.

Install a NEW intake manifold gasket on the intake manifold, if necessary.
Install the intake manifold.
Install the intake manifold bolts and nuts. Follow the tightening sequence.
Tighten: Tighten the bolts and nuts to 10 N.m (89 lb in).

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Fig 3: View Of Fuel Injector Tip Insulators

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Tighten the intake manifold bolts and nuts in sequence.
Tighten the bolts and nuts to 10 N.m (89 lb in).
Lubricate NEW fuel injector tip insulators with engine oil.
Install the NEW fuel injector tip insulators.

Fig 4: Identifying Fuel Rail Assembly
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Install the fuel rail assembly.
Install the fuel rail bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig 5: View Of Throttle Body & Bolts
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Install the throttle body and bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig 6: View Of EVAP Emission Canister Valve & Tube
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IMPORTANT: Ensure that the rear metal tab of the evaporative emission (EVAP) canister valve is resting on the power steering pump metal body.

Install the EVAP canister valve (2).
Tighten: Tighten the EVAP canister valve nut to 18 N.m (13 lb ft).
Install the EVAP canister valve tube (1).