Intake Manifold Installation - Off Vehicle

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

Fig 1: Intake Manifold

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Fig 2: Intake Manifold Bolts

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Loosely install the 10 bolts attaching the intake manifold to the cylinder heads.

Fig 3: Intake Manifold Bolt Tightening Sequence

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NOTE: Refer to Fastener Notice .

Tighten the intake manifold bolts in sequence (1-10).
Tighten: Tighten the intake manifold bolts to 10 N.m (89 lb in).
Lubricate the intake manifold fuel injector bores with light mineral oil GM P/N 12345610, (Canadian P/N 993193), clean engine oil or equivalent.

Fig 4: Fuel Rail And Injector Assembly

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IMPORTANT: DO NOT force the injectors into position.

Install the entire fuel rail and injector assembly into the intake manifold by pressing the fuel rail and injector simultaneously into the correct position.

Fig 5: Fuel Rail To Intake Manifold Bolts

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Install the bolts attaching the fuel rail to the intake manifold.
Tighten: Tighten the fuel rail bolts to 10 N.m (89 lb in).

Fig 6: Sight Shield Bracket

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Install the sight shield bracket.
Install the sight shield bracket nuts.
Tighten: Tighten the sight shield bracket nuts to 10 N.m (89 lb in).

Fig 7: PCV Dirty Air Tube

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Connect the positive crankcase ventilation (PCV) dirty air tube to the camshaft cover.

Fig 8: PCV Fresh Air Tube

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