Slow puncture: detection, repair and cost

Unlike a quick puncture, which occurs suddenly, a slow puncture is defined by a gradual loss of air and pressure. Therefore, it is difficult to determine, especially because it is sometimes difficult to find the perforation site. A pressure drop of more than 0,1 bar per month should raise suspicion of a slow puncture.

🔎 What is a slow flat tire?

La slow puncture this is a type of puncture. Like any flat tire, it is caused by a foreign body damaging the tire structure. However, it differs from quick puncturethat happens suddenly, such as from an electric shock or a deep cut.

Slow punctures are characterized by gradual loss of air... This is usually due to a puncture in the tread or sidewall of the tire. Because pressure loss is slow, it is not always easy to detect a slow puncture, as opposed to a quick puncture. The location of the perforation is not always visible.

💨 What are the symptoms of slow wheel descent?

Unlike a fast puncture, which causes a sudden loss of air and pressure, a slow puncture is difficult to detect. It is often even difficult to find a puncture in a tire. Slow puncture is characterized by the following symptoms:

• One loss pressure more than 0,1 bar per month ;
• One necessary inflate your tires regularly ;
• Untire which gradually and slowly deflates.

In addition, one of the following situations can be added:

• La presence of a foreign body is pressed into the tread or sidewall of the tire;
• One Rim cracked ;
• One failure TPMS ;
• Onevalve failure.

Since a puncture is sometimes difficult to locate, you can remove the wheel and cover it with water and dishwashing liquid. Try to identify where the small bubbles are forming: this is where the air leaks. You can also directly immerse the wheel in a basin of water and foam.

👨‍🔧 How to fix a slow flat tire?

To temporarily fix a flat tire, you can use tire sealant... This is an aerosol can containing foam. It is necessary to insert it into the wheel and empty the bomb, then ride it for several kilometers so that the product is well distributed throughout the tire and thus closes the puncture.

However, tire sealant is only a temporary solution. Then you will need to go to the garage to change the wheel. It is not possible to recover a slow puncture after using the puncture spray.

Your slow puncture must also meet the following criteria:

• Internal device tire intact ;
• Side tire not touched ;
• Hole size less than 6mm.

Two types of repairs are possible: from the inside or from the outside. External repairs are carried out using wick inserted into the groove to seal it. Manufacturers recommend making repairs from the inside, with champignon... This is the only repair that really guarantees the tightness of your tire.

💸 How much does it cost to repair a slow flat tire?

It is cheaper to repair a flat tire than to replace it. If your slow puncture cannot be repaired, you will have to pay between 30 and 60 € the price of a new tire depends on the brand and size of the tire. Think 15 € additionally for mounting and balancing the tire.

Also note that if the tires were not very new, it is necessary to change two tires on the same axle at the same time to avoid too much difference in wear between them.

If a slow puncture can be repaired, count between 20 and 30 € for repairs, depending on whether to remove the wheel or not. Tire balancing is included in this price.

So now you know all about slow punctures! As you probably already understood, sometimes the driver can be a traitor because he is difficult to detect. Depending on the nature and location of your slow puncture, it may be repairable or necessary. change tire.