Catalytic Converter Replacement - Left Side (LT4)

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Catalytic Converter - Left Side (LT4)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool. WARNING: Avoid contact with HOT components. Wear safety glasses and protective gloves to avoid personal injury. Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (V-Series) and Lifting and Jacking the Vehicle (Base) . Disconnect the oxygen sensor electrical connectors. Catalytic Converter Brace Bracket» Remove - Catalytic Converter Brace Bracket Replacement (LT4) Exhaust Muffler @ Catalytic Converter» Disconnect - Exhaust Muffler Replacement (LT4)
1	Catalytic Converter Nut [4x] CAUTION: Refer to Fastener Caution . Tighten 50 N.m (37 lb ft)
2	Catalytic Converter Preliminary Procedures Install a NEW catalytic converter gasket. Transfer components as necessary.

Callout

Component Name

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

WARNING: Avoid contact with HOT components. Wear safety glasses and protective gloves to avoid personal injury.

Preliminary Procedure

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (V-Series) and Lifting and Jacking the Vehicle (Base) .
Disconnect the oxygen sensor electrical connectors.
Catalytic Converter Brace Bracket» Remove - Catalytic Converter Brace Bracket Replacement (LT4)
Exhaust Muffler @ Catalytic Converter» Disconnect - Exhaust Muffler Replacement (LT4)

Catalytic Converter Nut [4x]

CAUTION: Refer to Fastener Caution .

Tighten
50 N.m (37 lb ft)

Catalytic Converter

Preliminary Procedures

Install a NEW catalytic converter gasket.
Transfer components as necessary.