- Having waited full cooling the exhaust system (after at least three hours after stopping the engine), carefully inspect all of its components, ranging from the flange front pipe to the exhaust manifold, and ending with the exhaust outlet. In order to ensure free access by car post it on the ground or on the pound rack / viewing hole.
 | Remember that the catalytic converter (s), - depending on the configuration - can be warmed up much longer the other components of the exhaust system - be careful! |
- Check the section of the system and place their joints for signs of leakage of exhaust gases, corrosion and mechanical damage, make sure the reliability of a tightening of fixture, evaluate the condition and mounting brackets and rubber suspension system components.
- Assess the reliability of a tightening of fasteners thermoprotective casings. If necessary, make appropriate corrections.
- At the same time check the bottom of the vehicle for the presence of holes, traces of corrosion, differences welds and other damage, enabling the spent gases to penetrate into the interior of the vehicle. Seal all holes with silicone sealant discovered or normal body filler.
- Rumble and many other noises while driving are often a consequence of weakening of fixture components of the exhaust system, or the displacement of its sections. Inspect the relevant elements, muffler and catalytic converter, making sure they are not in contact with the elements of the bottom or suspension. If necessary, replace the parts supports the suspension system.
- In appearance, the exhaust outlet can be a high degree of reliability to evaluate the overall operation of the engine. The consistency and color of the cover end of the pipe sediments reveal the violation of regulations of the engine, - if the pipe is covered with black soot deposits or plaque formed on it a whitish color, the engine, coupled with the power supply system needs to be set up.
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