Intake Manifold Installation
WARNING: This page is about a different variant/trim than selected.
- 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).
- Install the intake manifold (500).
- Apply a 5 mm (0.20 in) band of threadlock GM P/N 12345382 (Canadian P/N 10953489) to the threads of the intake manifold bolts (512). Refer to Sealers, Adhesives, and Lubricants .
- Install the intake manifold bolts.
Tighten:
- 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).
- Install the fuel rail (510). Refer to Fuel Rail and Injectors Installation .
- Lubricate the manifold absolute pressure (MAP) sensor seal (715) with clean engine oil.
- Install the seal onto the MAP sensor (714).
- Install the MAP sensor (714) and bolt (736).
Tighten: Tighten the bolt to 5 N.m (44 lb in).
- Install the positive crankcase ventilation (PCV) hose - dirty air (716).
IMPORTANT:
NOTE:
Refer to Fastener Notice
.