Chevrolet Sonic Repair Manual: Exhaust Manifold with Catalytic Converter Replacement (LUW)

Chevrolet Sonic Repair Manual / Powertrain / Engine / Emissions / Catalytic Converter / Exhaust Manifold with Catalytic Converter Replacement (LUW)

Exhaust Manifold with Catalytic Converter Replacement
Callout	Component Name
Warning: Refer to Protective Goggles and Glove Warning. Warning: Refer to Exhaust Service Warning. Preliminary Procedure Remove the catalytic converter heat shield. Refer to Catalytic Converter Heat Shield Replacement. Remove the exhaust front pipe. Refer to Exhaust Front Pipe Replacement.
1	Exhaust Manifold to Cylinder Head Nut (Qty: 9) Caution: Refer to Fastener Caution. Tighten 15 Y (11 lb ft)
2	Exhaust Manifold Gasket
3	Exhaust Manifold Brace Bolt (Qty: 4) Tighten 20 Y (15 lb ft)
4	Exhaust Manifold Brace
5	Exhaust Manifold with Catalytic Converter Procedure Disconnect the temperature sensor and transfer parts if replacing the exhaust manifold with catalytic converter. Clean the sealing surfaces. Replace the exhaust gasket with a NEW gasket. Replace the exhaust manifold nuts with NEW nuts.

Catalytic Converter Replacement (LUV)

Removal Procedure Warning: Refer to Exhaust Service Warning. Warning: Refer to Protective Goggles and Glove Warning. Remove the exhaust manifold heat shield. Refer to ...

Warm Up Three-Way Catalytic Converter Installation

Install the warm up three way catalytic converter (5) to the brackets and the turbocharger. Use a NEW warm up three way catalytic converter seal (2). Note: Never re-us ...

Other materials:

Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed. This greatly reduces the c ...

Replacing Safety Belt System Parts after a Crash
Warning: A crash can damage the safety belt system in the vehicle. A damaged safety belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure the safety belt systems are working properly after a crash, have them insp ...

Throttle Body Inspection and Cleaning
Note: Over extended time and mileage, deposits may accumulate on the back of the throttle valve plate. The source of the deposit is exhaust gas. Typically these deposits pose no problem. Occasionally the deposit may accumulate to a point where perceived pedal effort or throttle valve mov ...

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