Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Engine Protection Shield

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Raise and suitably support the vehicle. Refer to LIFTING & JACKING THE VEHICLE .
Remove the engine shield bolts and shield, if necessary.

Fig 2: View of Oil Pan Skid Plate & Bolts

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Remove the oil pan skid plate bolts and plate, if necessary.

Fig 3: View of Oxygen Sensor Connection At Floor Reinforcement

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Unclip the oxygen sensor connection from the floor reinforcement.

Fig 4: View Of O2 Sensor Harness Routing And Harness Mounting Brackets

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Remove the clip from around the engine harness and the oxygen sensor pigtail.
Disconnect the connector position assurance (CPA) retainers.
Disconnect the oxygen sensor electrical connectors.

Fig 5: View Of O2 Sensor Harness Routing

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Unclip the oxygen sensors electrical connectors from the following:
- Hose clip
- Transmission crossmember
Disconnect the CPA retainers.
Disconnect the oxygen sensor electrical connectors (1, 2).

Fig 6: View of Left Exhaust Manifold Pipe Nuts

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Remove the left exhaust manifold pipe nuts.

Fig 7: View of Right Exhaust Manifold Pipe Nuts

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Remove the right exhaust manifold pipe nuts.

Fig 8: View of Exhaust Muffler Nuts

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Remove the exhaust muffler nuts.
Remove the catalytic converter.

Fig 9: View Of Oxygen Sensors

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Remove the oxygen sensors if the catalytic converter is to be replaced.