Removal Procedure

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

Remove the engine assembly. Refer to ENGINE REPLACEMENT in Engine Mechanical-3.5L
Remove the right rear exhaust manifold exhaust crossover pipe bolts from the left front exhaust manifold.
Disconnect the EGR valve pipe (1) from the exhaust crossover pipe.

Fig 1: Disconnecting EGR Valve Pipe From Exhaust Crossover Pipe
Courtesy of GENERAL MOTORS CORP.
Remove the right rear exhaust manifold retaining bolts.

Fig 2: Removing Right Rear Exhaust Manifold Retaining Bolts
Courtesy of GENERAL MOTORS CORP.
Remove the right rear exhaust manifold and the gasket. Do not reuse the gasket.
Clean and inspect the exhaust manifold.
Remove the oxygen sensor (1) and inspect the sensor for excessive deposits or damage. Replace the oxygen sensor if necessary.

Fig 3: Removing Right Rear Exhaust Manifold & Gasket
Courtesy of GENERAL MOTORS CORP.
Remove the exhaust manifold studs if damaged.

Fig 4: Removing Exhaust Manifold Studs
Courtesy of GENERAL MOTORS CORP.