Exhaust liner: role, service and price

The exhaust sleeve is one of the various components of the exhaust system. Also known as a pipe connector, it is used to fit two exhaust pipes. This prevents exhaust gases from leaking or evaporating before they reach the end of the system at the muffler. Find out what you need to know about the exhaust sleeve: its role, signs of wear and how much it costs to repair.

💨 What is the role of the exhaust sleeve?

The exhaust sleeve looks like cylindrical stainless steel tube... It is built so that it can resistant to high temperatures as well as corrosion... This allows connect 2 exhaust pipes on the exhaust pipe of the car. Thus, the exhaust sleeve can be held at the end of the line by the exhaust sleeve or more, if necessary.

The exhaust sleeve is particularly robust. The inner diameter and length may vary depending on the car model. Indeed, we find models 45mm, 51mm, 60mm or even 65mm. It ensures good distribution of the exhaust pressure, but also ensures the tightness of the exhaust line when fitted. exhaust sleeve gasket.

The key function of the exhaust sleeve is connect the two mechanical elements of the exhaust line... It will also make it possible to install and fix the exhaust line to the car at the level of its Frame... This part is essential for the maintenance of the exhaust line and its correct function. The exhaust line must be kept in good condition. ensure proper combustion engine, optimum performance of the pollution control and exhaust gas management system.

⚙️ What are the symptoms of HS exhaust bushing?

The exhaust bushing itself is not considered a wearing part. However, its location causes many external restrictions: salt, moisture, dirt, oxidation ... Exhaust liner wear can be indicated by several symptoms, which on your car will take the following forms:

• Unusual noise from exhaust : can be manifested by a more or less important click or rustle during your movements on board;
• Heavy smoke comes out of the exhaust pipe : it can be black or white, indicates a malfunction in the exhaust pipe of the vehicle;
• Le engine warning light lights up on the dashboard : This warning light is on to inform the driver that the vehicle's emission control system is not operating normally. It is necessary to intervene promptly, as the engine can go into a reduced performance mode;
• The exhaust liner is visually damaged : traces of rust are visible on it, and in the most serious cases, the steel can crack;
• Sawdust in the exhaust line : If the sleeve is badly damaged, it may have fallen apart. Thus, sawdust particles will be present in the exhaust line. This problem must be resolved quickly to prevent these elements from entering the engine and causing serious disruption to engine performance;
• Lack of vehicle power : the engine will not pick up speed well, this can also be accompanied by misfiring or even holes during acceleration;
• Excessive fuel consumption : The exhaust gases are not emitted properly, therefore the engine does not run optimally and consumes more fuel.

As soon as you notice one of these signs on your vehicle, contact a professional auto repair shop as soon as possible. It is necessary to check the entire exhaust line to repair the exhaust pipes and other parts that may have been damaged as well.

💰 How much does an exhaust liner repair cost?

The price of a new exhaust liner can vary greatly depending on the brand you choose. Indeed, the most affordable brands sell an exhaust liner between 4 € and 10 € while more expensive models are sold between 15 € and 30 €.

If you go to a mechanic in your garage to have your exhaust liner repaired or replaced, it will take from 40 € and 120 € generally

The exhaust hub is a little-known element of the exhaust system, but its role is important to ensure the correct functioning of the exhaust device. Its malfunction may prevent you from passing technical control, because it means that the vehicle's pollution control system is out of order!