Catalytic Converter - Hybrid Electric Vehicle (HEV): Removal

NOTE: Removal steps in this procedure may contain installation details.

NOTE: The police Hybrid Electric Vehicle (HEV) is not equipped with an exhaust heat exchanger. For catalytic converter service, refer to Catalytic Converter - Plug-In Hybrid Electric Vehicle (PHEV) in this article.

NOTE: Clean all exhaust connections before reassembly.

With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
After assembly, check the cooling system level. Refer to: Engine Cooling System Draining, Filling and Bleeding .
Remove the front subframe. Refer to: Front Subframe .
Disconnect the HO2S and the catalyst monitor sensor electrical connectors.

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Using hose clamps pliers, clamp the hoses.

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Disconnect the hoses.

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Remove the bolts and the heat shield.
Torque: 89 lb.in (10 Nm)

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NOTE: Do not excessively bend or twist the exhaust flexible pipe. Failure to follow these instructions may cause damage to the flexible pipe.

Support the exhaust flexible pipe with a support wrap or suitable splint.

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Remove and discard the muffler and tailpipe nuts and support.
Torque: 35 lb.ft (48 Nm)

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Discard the muffler and tailpipe gasket.

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Remove the catalytic converter bracket bolts.
Torque: 18 lb.ft (25 Nm)

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Remove and discard the catalytic converter nuts.
Torque: 41 lb.ft (55 Nm)

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Remove and discard the catalytic converter gasket and studs.
Torque: 150 lb.in (17 Nm)

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