Why is My Tire Losing Air Overnight? 5 Fixes to Stop the Leak

why is my tire losing air overnight

Have you ever wondered why is my tire losing air overnight? This frustrating issue of having to fill up deflated tires in the morning is all too common for vehicle owners. I recently faced this exact problem of one of my tires mysteriously losing air pressure while sitting unused overnight. Determined to find the cause and prevent future flat tires, I investigated the possible reasons and solutions.

There can be different reasons behind this problem. With the air losing overnight, you have to be aware of these different reasons. Here, in this article, I am going to elaborate on these reasons and solutions to this particular problem to provide you with convenience while riding or driving. 

Also, some preventive measures are given below. So, without any delay let’s get into the article.

Possible Causes of Tires for Losing Air Overnight

Some possible causes of air loss are given below to enhance your knowledge. 

  • Normal Tire Pressure Variation

The first reason I found is the change in tire pressure caused by weather conditions. You might wonder why only one tire loses air in cold weather. During the winter season, tires can lose some air as the air inside contracts due to the drop in temperature.

  • Tire Valve Issues

Another possible cause of the air leakage can be a fault in the valve stem or valve core. When these components get old and worn out then, they become the reason for air leakage. Due to any fault in the valve core or stem, the leakage can be little but continuous. 

  • Tire damage

A punctured tire or a leaking tire tread can be another reason for the leakage of air from the tire. There may be small holes in the surface of the tire due to sharp objects on the roads. Also, when the tires get old then they may develop cracks and leaks that’s why they can be the source of the escape of air from the tire. 

  • Rim or Bead Seal Problems

Why is my tire losing air when I try to fill it? Air leakage can also be due to faulty sealing between the tire and the rim. When the rim falls prey to corrosion then, it can be a hurdle for tight sealing and become a cause of air leakage. Similar issues can happen to the bead of the tire as well.

Diagnostic Steps to Check Tires while Losing Air Overnight

Some diagnostic steps can help you to solve this particular problem. 

  • Visual Inspection

First, you have to visually check the signs of any damage on the tire visually. You may examine some punctures or cuts on the sidewalls and tread of the tire. Then, you have to check the valve stem to check for any sort of damage. If you examine any screw or nail embedded in the tire surface then, it can be a definite cause of air leakage. 

  • Valve Inspection

Sometimes, you might wonder, “Why is my tire losing air but no hole?” In such cases, you need to check the valve stem and ensure the valve cap is tightly secured to prevent contaminants from entering. If the valve core is faulty, you can inspect it by applying a soapy solution to the suspected area. If bubbles form, it indicates a hole causing the air loss.

  • Submerging Test

Moreover, you can check the puncture in the tire by dipping it’s all sections in the basin or bucket full of water. For examining the small leaks this method is very beneficial. When you dip the tire in the bucket then, if you saw any water bubbles then that area must be suspected for air leakage.

  • Rim Examination

Also, you have to inspect the dents, corrosion, and cracks on the visible region of the rim. If the rim is broken then, it can be a cause that the tire keeps losing air every few days so you have to repair that part of the rim. 

  • Tire Pressure Monitoring System (TPMS) Evaluation

An advanced system is available in many vehicles that is TPMS to check the errors via message or alerts. These alerts are related to the pressure of the tire. This system is beneficial to examine the air pressure in a brand new tire losing air pressure in the vehicle easily.  

Solutions to Prevent Tires from Losing Air Overnight

  • Tire Repair

While examining the tire in the diagnostic step, if you experience any hole then, you can repair the tire with the assistance of a sealant or a patch. 

  • Valve Replacement

If you feel any fault in the valve core or valve stem, then these components can be replaced or repaired to get rid of the air loss. For this replacement, you can get the assistance of a technician to remove the previous one and install the new one.

  • Tire Replacement

If the damage is major and you cannot repair the tire then, the last option is to replace the old tire with the new one. If you keep on using these worn-out tires then, it can be risky and you may meet any accidents while riding or driving with these tires. That’s why it would be better to procure a new one with high-quality construction and long-term comfort.

Preventive Measures to Avoid Tires Losing Air Overnight

To escape from this problem you can take some preventive measures. Some of those measures are given below. 

  • Regular Tire Maintenance

You need to inspect the tires regularly. This inspection consists of the balanced pressure in all the tires and is according to the manufacturer’s recommendations. Also, you have to check if the tire has any bulges or cuts on its surface.

  • Avoid Hazardous Road Conditions

You must be attentive while riding or driving to prevent the road dangers like debris, potholes, or sharp objects that can be bad sources for puncturing your tires. So, you have to move your vehicle precisely from these hazards. 

  • Proper Tire Inflation

There must be accurate pressure in tires according to the producer’s recommendations. Underinflation and overinflation, both can be dangerous and can decrease the performance of the tire as well.

  • Use Valve Caps

You must have to check if the valve caps fit properly on the tires or not. These caps are beneficial for adding a protective layer over the tires to keep the dirt and debris away from their surface.

  • Seasonal Tire Changes

The most important thing you should keep in mind is to use the tires according to the weather. For instance, winter tires are best for optimized traction in winter. For optimized performance, switching tires according to the weather can be helpful for successive journeys without any harm.

Final Words 

The common question on everyone’s mind is, ‘Why is my tire losing air overnight?’ There are several potential reasons for this, such as changes in tire pressure and irregular vehicle maintenance. To address this issue effectively, it’s essential to regularly inspect and maintain the tires, repairing or replacing them when necessary. By doing so, you can better manage and overcome this problem

By remembering the above-mentioned solutions, you can get rid of this problem. In the end, don’t forget to leave your remarks below. Thank you!

FAQ – FREQUENTLY ASKED QUESTIONS


If there is no cut or a puncture in the tire but still it is leaking air then the problem can be in the valve stem of the vehicle. 

It can be due to the corrosion in the rims or the problematic valves that can be the reason for air leakage in the new tires of the vehicle. 

A corroded rim can be the reason for lowering the air pressure in the tires of the vehicle and losing the air slowly.

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