If the vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to parts repaired or replaced to restore corrosion protection.
Original manufacturer replacement parts will provide the corrosion protection while maintaining the vehicle warranty.
Tires
Finish DamageChevrolet Cobalt Service & Repair Manual. Exhaust Manifold, Replace
Removal
1.
Remove exhaust manifold heat shield.
2.
Remove oxygen sensor.
3.
Raise and support vehicle.
4.
Remove manifold to exhaust flex decoupler
mounting bolts.
...