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Slow leak in truck tyres is a silent killer as it can go unnoticed for days or weeks. It gradually decreases tyre pressure, compromises vehicle performance, and leads to poor fuel efficiency. Preventing a slow leak in truck tyres can be challenging for novice truck drivers due to limited repair experience. That’s why we decided to jump in!

In this article, Amigo Tyres - trusted for puncture repair in Rocklea - will share major causes, signs, and tips to fix slow leak in truck tyres. Let’s start by understanding the major causes of slow leak in truck tyres!

Slow Leak in Truck Tyres: Major Causes

Below are some of the major causes of slow leaks in truck tyres:

Puncture from sharp objects: It is one of the most common causes of slow leaks caused due to nails, screws, and other sharp objects. Air from the tyre may escape gradually if the object stays embedded in the tyre.

Damage or worn valve stems: The valve system allows air to enter and exit the tyre. It can be worn out over time. A damaged corroded valve system may cause slow air leakage.

Bead leaks: A bead leak can occur when air escapes from the edge of the tyre where it meets the wheel rim. It usually happens due to dirt, corrosion, or improper tyre seating on the rim.

Temperature changes: Extreme temperature fluctuations can cause tyres to expand and lead to pressure loss. This is normal to an extent but consistent loss of pressure could indicate an underlying issue.

Rim damage: Damaged, bent, or corroded wheel prevents the tyre from sealing properly and causes a slow leak over time in truck tyres.

Age and wear: Tyre rubber naturally deteriorates over time and leads to microscopic cracks that allow air to escape. Aged tyres are more prone to slow leaks than newer ones.

Slow leak in Truck Tyres: Major Signs

Below are some of the major signs of a slow leak in truck tyres:

Frequent loss of tyre pressure: If you find yourself needing to top up your tyre pressure more often than usual, it could be a sign of a slow leak.

Uneven tyre wear: A slow leak can cause uneven tyre wear, especially on the edges or center of the tyre.  It directly affects how the tyre makes contact with the road.

Reduced fuel efficiency: Underinflated tyres increase rolling resistance and make the engine work harder and decrease fuel efficiency. A sudden drop in mileage can signal a slow leak.

Visible damage: Inspecting your tyres regularly may reveal small punctures, cracks, or objects like nails that could be causing a slow leak.

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Slow Leak in Truck Tyres: How to Fix it

The following will help you fix the slow leak in your truck tyres:

Puncture repair: If the puncture is in the tread area and is less than ¼ inch in diameter, it can often be repaired with a tyre patch or plug. It is best to avoid using a plug alone for truck tyres, as patching from the inside can ensure a more secure repair.

Faulty valve stem replacement: The air leakage from the valve system can only be fixed by replacing it. This is a relatively inexpensive fix that can be done at a tyre shop like Amigo Tyres.

Fix bead leaks: Bead leaks may require removing the tyre from the rim and cleaning the bad area before resealing it. If the rim is damaged or corroded, it may need to be repaired or replaced.

Address rim damage: Minor rim bends can sometimes be straightened by a professional. However, severe rim damage may require replacing the wheel entirely.

Replacing an Old Tyre: If the tyre has extensive cracks, worn-out treads, or repeated leaks, replacing it is the safest option.

Slow Leak in Truck Tyres: Wrapup

Staying proactive with tyre inspections, pressure checks, and timely repairs can help you extend the tyre life and ensure a safer driving experience. We hope that the above article helped you learn everything about slow leak in truck tyres. 

Still got any queries to ask? Contact us today to have them answered by our tyre experts! Check out these services as well

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