Yukon XL 2500 2WD V8-8.1L VIN G (2004)
Intake Manifold: Service and Repair
Intake Manifold Replacement
Intake Manifold Replacement
Removal Procedure
Important: The intake manifold, throttle body, fuel rail, and injectors may be removed as an assembly. If not servicing the individual components,
remove the manifold as a complete assembly.
1. Loosen the clamps at the throttle body and air cleaner.
2. Remove the air cleaner outlet duct.
3. Unsnap the intake manifold sight shield from the stud.
4. Remove the sight shield from the bracket.
5. Remove the sight shield bracket nuts (1) and bracket, if necessary.
6. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure in Computer and Controls - 8.1 L.
7. Disconnect the fuel feed and return pipes. Refer to Quick Connect Fitting(s) Service (Metal Collar) in Computer and Controls - 8.1 L.