Intake Manifold Removal

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.

DO NOT use the intake manifold-to-cylinder head gaskets again.

Remove the positive crankcase ventilation (PCV) hose (1) and valve (2).

Fig 1: Removing Positive Crankcase Ventilation (PCV) Hose And Valve
Courtesy of GENERAL MOTORS CORP.
Remove the manifold absolute pressure (MAP) sensor (1), if required.
Remove the engine coolant air bleed clamp and hose from the throttle body.

Fig 2: Removing Manifold Absolute Pressure (MAP) Sensor
Courtesy of GENERAL MOTORS CORP.
Remove the evaporative emission (EVAP) solenoid (3), bolt (2), and isolator (1).

Fig 3: Removing Evaporative Emission (EVAP) Solenoid Bolt And Isolator
Courtesy of GENERAL MOTORS CORP.
Remove the intake manifold bolts.
Remove the intake manifold with gaskets.

Fig 4: Removing Intake Manifold With Gaskets
Courtesy of GENERAL MOTORS CORP.
Separate the intake manifold-to-cylinder head gaskets (1) from the manifold.
Discard the intake manifold gaskets.

Fig 5: Removing Intake Manifold-To-Cylinder Head Gaskets From Manifold
Courtesy of GENERAL MOTORS CORP.