Intake Manifold Removal

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the fuel pressure regulator vacuum tube (1) from the regulator (3) and the throttle body (2).

Fig 1: Disconnecting Fuel Pressure Regulator Vacuum Tube
Courtesy of GENERAL MOTORS CORP.
Disconnect and remove the PCV valve and both feed tubes (1, 2) from the camshaft covers and intake manifold.

Fig 2: Removing PCV Valve & Feed Tubes
Courtesy of GENERAL MOTORS CORP.

Important: The EGR valve outlet pipe incorporates a crush seal connection at the water crossover. The EGR valve outlet pipe must be replaced if disconnected from the water crossover.
Remove the EGR valve outlet pipe bolts from the intake manifold and the water crossover.
Remove the EGR valve outlet pipe.

Fig 3: Removing EGR Valve Outlet Pipe
Courtesy of GENERAL MOTORS CORP.
Disconnect the four fuel rail snap-lock retainers by pushing toward the camshaft covers and lifting.
Remove the fuel rail (1) and fuel injectors (2) as an assembly and store in a clean, secure location away from any heat sources.

Fig 4: Removing Fuel Rail & Fuel Injector Assembly
Courtesy of GENERAL MOTORS CORP.
Remove the intake manifold bolts.

Fig 5: Removing Intake Manifold Bolts
Courtesy of GENERAL MOTORS CORP.
Disconnect the throttle body coolant hose (1) from the water crossover feed tube.

Fig 6: Disconnecting Throttle Body Coolant Hose
Courtesy of GENERAL MOTORS CORP.
Remove the intake manifold.

Fig 7: Removing Intake Manifold
Courtesy of GENERAL MOTORS CORP.