Removal Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

CAUTION: Always wear protective goggles and gloves when removing exhaust parts as falling rust and sharp edges from worn exhaust components could result in serious personal injury.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Support the exhaust system near the resonator with a suitable jack.
Remove the oxygen sensor. It is not necessary to disconnect the electrical connector.

Fig 1: View Of Exhaust Pipe To Catalytic Converter

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Remove the nuts securing the catalytic converter to the exhaust manifold pipe.

Fig 2: View Of Center Exhaust Hangers & Bolts

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Remove the bolts securing the center exhaust hangers to the rear suspension support brackets.
Remove the catalytic converter from the manifold pipe.
Lower the exhaust system.

Fig 3: Identifying Catalytic Converter Gasket

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Remove the catalytic converter gasket (1). Do not reuse the gasket.

Fig 4: Identifying Pipe Cut Location
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IMPORTANT: Ensure the cut (1) is made 34 mm (1.3 in) from the weld on the intermediate pipe.
Cut the intermediate pipe 34 mm (1.3 in) from the resonator weld.