Intake Manifold Installation

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

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NOTE:
- The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, install the intake manifold as a complete assembly.
- DO NOT use the intake manifold gaskets again. Install NEW intake manifold-to-cylinder head gaskets.
Install NEW intake manifold-to-cylinder head gaskets (514).
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Install the intake manifold (500).
Apply a 5 mm (0.20 in) band of threadlock to the threads of the intake manifold bolts (512). Adhesives, Fluids, Lubricants, and Sealers
Fig 1: Intake Manifold Bolt Tightening Sequence
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CAUTION:
Refer to Fastener Caution .

Install the intake manifold bolts.
- Tighten the intake manifold bolts (1 - 10) a first pass in sequence to 5 N.m (44 lb in).
- Tighten the intake manifold bolts (1 - 10) a final pass in sequence to 10 N.m (89 lb in).
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Install the fuel rail. Fuel Rail and Injectors Installation
Lubricate the manifold absolute pressure (MAP) sensor grommet (715) with clean engine oil.
Install the grommet onto the MAP sensor (714).
Install the MAP sensor and retainer (736).
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Install the positive crankcase ventilation (PCV) hose - dirty air (716).