In a car there can be different problems or breakdowns that can lead you to have the need to know how to change the exhaust pipe, a procedure that can be much simpler than you can imagine. It is not necessary to have great mechanical knowledge to be able to make this change yourself.
Among the main functions of the exhaust pipe is the fact of reducing the noise and the speed with which the engine gases go outside. In addition, they also help to regulate the temperature and to reduce the emission of polluting elements. For all these reasons, it is an element of great importance for the performance of the engine.
In any case, you should know that the exhaust pipe is a highly complex system that can become damaged due to improper use, lack of maintenance or the simple passage of time.
When to change the exhaust pipe
First of all, it is important that you know that the approximate estimate to establish the moment to change the exhaust pipe is approximately 80,000 kilometers. You can really change it before or after exceeding this many kilometers. However, it is advisable to do this in advance to ensure that the car is running in optimal conditions.
In the event that the exhaust pipe accumulates moisture, this can allow for erosion to occur and, with it, it will be damaged. The same happens in those cases in which short stretches are made while driving, less than 10 minutes; In this case, it happens because the piece does not reach the ideal temperature to evaporate the water.
On the other hand, you should pay special attention to strange noises that you can hear, in which case you will have to change it for a new one.
These noises tend to be like metallic hits that are felt on the ground. This will indicate that the piece is breaking. In addition, it is common for there to be greater noise annoyances when accelerating the vehicle.
Another indicator is the unjustified increase in gasoline consumption, although this may be associated with another type of problem. In any case, the best way to detect any possible anomaly in it is through periodic reviews.
How to detect a problem in the exhaust pipe?
Although we have already told you about some of the signs that can lead you to identify a possible problem in the exhaust pipe, there are different common symptoms that you should keep in mind; and that they can help you identify that there is a problem in this part of the vehicle.
Among them are strange noises, vibration at the rear of the vehicle, increased fuel consumption… These signs are usually related to the need to replace the rear silencer. However, if the noise is loud and screeching, the problem may lie with the center muffler.
If, on the other hand, you find thick black smoke coming out of the exhaust pipe, the problem is in the catalytic converter or the particulate filter. In addition, you should keep in mind that bumps and accidents can lead to serious problems in the exhaust pipe.
Instructions to change the exhaust pipe of the car
To change the exhaust pipe of your car it is always preferable to have it done by an expert, but if you want to do it yourself it is also possible, although for this you will have to know that it is advisable to use original parts to ensure their durability and quality. Likewise, you must make sure that the parts you are going to use are duly approved and validated to pass the ITV.
Once you take this into account, it is time to follow the following procedure:
- First of all, you must proceed to raise the car in a safe place. Although you can resort to borriquetas and tacos, the most advisable thing is that you make use of a high professional. In some cities there are places that rent areas for time to be able to carry out repairs.
- Once the car is elevated and you can see the exhaust pipe, it is the moment in which you can verify the problems that it may have and if there is corrosion in the welds, check if these extend to other elements that make up The exhaust pipe.
- Once you have identified the area where there is the problem, you must start by loosening the anchors of the exhaust pipe to be replaced. It is common that the first time it is changed, especially in the case of new vehicles, it is disengaged by hitting a piece with a rubber mallet. However, there are mechanics who prefer to opt for clamps with sealant instead.
- Next you must cut the tube by the connection sides of the piece. This way, if you find the problem in the manifold or rear muffler, you will only have to make a cut on one side. Once the part that is damaged has been removed, you must proceed to install the replacement.
- Next you need to insert the clamp and then use a caulking putty on the connections. Then place the tube in the system.
- Once all of the above is done, you will have to fix the anchors of the exhaust pipe to the bottom. Once the putty is dry, you can start the engine.
What do you need to change the exhaust pipe of the car?
- Exhaust pipe (whole or piece)
- Clamp
- sealing putty
