Express 2500 2WD V8-6.0L VIN U (2004)
Intake Manifold: Service and Repair
Intake Manifold Replacement
Removal Procedure
1. 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.
Remove the throttle body.
2. Remove the oil fill tube.
3. Remove the fuel injectors.
4. Disconnect the following electrical connectors:
^
Manifold Absolute Pressure (MAP) sensor (1)
^
Knock sensor (2)
^
Exhaust Gas Recirculation (EGR) valve, if equipped
5. Remove the knock sensor harness electrical connector from the intake manifold.
6. Set the electrical harness aside.
7. If equipped, remove the following EGR pipe bolts:
^
Intake manifold (1)
^
Cylinder head (2)
^
Exhaust manifold (3)
8. If equipped, remove the EGR pipe (with valve).
9. If equipped, remove the EGR pipe gasket from the exhaust manifold.