Lower Intake Manifold Replacement

Lower Intake Manifold Replacement

Removal Procedure




1. Remove the fuel injectors and fuel rail. Refer to Fuel Injector and Fuel Rail Replacement (Service and Repair).
2. Remove the lower intake manifold bolts (1).
3. Remove the lower intake manifold and gasket from engine. Discard the gasket.
4. Clean and inspect the intake manifold and the sealing surfaces. Refer to Intake Manifold Cleaning and Inspection (LY7) (Overhaul)Intake Manifold Cleaning and Inspection (LCS) (Overhaul).

Installation Procedure




1. Install the lower intake manifold gasket.
2. Install the lower intake manifold bolts (1).

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the fuel injectors and fuel rail. Refer to Fuel Injector and Fuel Rail Replacement (Service and Repair).
Tighten the bolts to 23 Nm (17 lb ft).