Aveo_Sonic

Exhaust Front Pipe Replacement - LDV,LSF

Warning: Refer to Exhaust Service Warning in the Preface section.

Warning: Refer to Protective Goggles and Glove Warning in the Preface section.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the drivetrain and suspension frame skid plate. Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement .



3. Remove the exhaust front pipe nuts (1) from the oxidation catalytic converter.
4. Remove the exhaust pipe mounting bolt (3) from the engine block and discard the gasket (2).



5. Remove the exhaust muffler nuts (1) from the exhaust front pipe (3).
6. Remove the exhaust muffler from the exhaust isolators and discard the gasket (2).
7. Support the exhaust muffler.



8. Remove the exhaust front pipe (1) from the engine cradle.

1. Clean the exhaust front pipe mating surfaces.



2. Install a NEW exhaust muffler gasket (2) to the exhaust front pipe (3).

Caution: Refer to Fastener Caution in the Preface section.

3. Install the exhaust muffler to the exhaust front pipe (3) and tighten the nuts (1) to 17 N·m (12 lb ft).



4. Install a NEW gasket (2) to the oxidation catalytic converter.
5. Install the exhaust front pipe to the oxidation catalytic converter and tighten the nuts (1) to 22 N·m (16 lb ft).
6. Install the exhaust front pipe mounting bolt (3) to the engine block and tighten to 50 N·m (37 lb ft).
7. Install the drivetrain and suspension frame skid plate. Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement .
8. Lower the vehicle.
9. Start the engine and check for exhaust leaks.