2. Diesel engine: Remove the lower engine cover, refer to Section Removal and installation of the upper engine cover / lower protection of the engine compartment / subframe.
3. Check pipes and pipe connections for signs of leakage, severe corrosion, and damage. Check the condition and reliability of fastening of all brackets and hangers of the system.
4. At the same time, inspect the bottom of the car for holes, corrosion, open seams and other defects that allow exhaust gases to enter the car interior. Seal all openings with a suitable sealant.
5. Light the exhaust system with a lamp and inspect for holes, rust, and chafing.
6. If there are strong dents, replace the pipes of the exhaust system.
7.Check all rubber holders by turning and rotating them for cracks and replace if necessary
8. Gas engine: Check the electrical connections and the security of the lambda probe.
9. Diesel engine: Install the lower engine cover, refer to Section Removal and installation of the upper engine cover / lower protection of the engine compartment / subframe.
10. Inspection of the internal surface of the exhaust pipe allows you to determine the current operating condition of the engine. The composition of the deposits in the pipe indicates the quality of the engine settings. If the inside of the pipe is black and sooty, this may indicate that the fuel system needs to be carefully checked.
11. Lower the car on wheels.
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