15 how to remove the exhaust head of Audi a4l?

Remove the oil filter, loosen the screw that fell into the air pipe and pull it out.

Remove the filter element of the oil filter, remove the throttle valve, remove the intake manifold bracket under the throttle valve, loosen the high-pressure oil pipe from the high-pressure pump, disconnect the line of the solenoid valve of the activated carbon canister, and unplug the two large plugs at its lower part. Finally, loosen the screw that fell into the trachea and pull it out.

The automobile exhaust system mainly discharges the exhaust gas from the engine, and at the same time reduces the pollution and noise of the exhaust gas. Automobile exhaust system is mainly used for light vehicles, mini-cars and buses, motorcycles and other motor vehicles. Automobile exhaust system refers to the system for collecting and discharging exhaust gas, which generally consists of exhaust manifold, exhaust pipe, catalytic converter, exhaust temperature sensor, car muffler and exhaust tail pipe.