Installation Procedure
WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
- Catalytic Converter - Install
- Install a NEW gasket.
- Catalytic Converter Nut @Cylinder Head - Install and tighten 46 N.m (34 lb ft)
- If equipped, install the catalytic converter brace bracket. Catalytic Converter Brace Bracket Replacement (LF4) Catalytic Converter Brace Bracket Replacement (LGX)
- Install a NEW gasket.
- Exhaust Muffler @Catalytic Converter - Connect
- Catalytic Converter Nut - Install and tighten 50 N.m (37 lb ft)
- Install a NEW clamp.
- Exhaust Muffler @Catalytic Converter - Connect
- Clamp - Tighten 50 N.m (37 lb ft)
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (LF4)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (LGX) - Connect
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (LF4)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (LGX) - Connect
- Intake Manifold Cover Replacement (LF4)Intake Manifold Cover Replacement (LGX) - Install
- Start the engine and check for exhaust leaks.
CAUTION:
Refer to Fastener Caution .