How to Spot a Slow Puncture & How to Fix It

A puncture is an inconvenience at best and a potential danger to life at worst. The most annoying is when the car tyre has a slow puncture, and it goes undetected for long. This can happen if you don’t have a tyre pressure monitoring system fitted in your vehicle. Pressure loss may appear small at first, however, the continuous wearing of tyres can lead to larger leakages and affect your car’s handling and safety.

Driving with semi-inflated tyres can gradually lead to a full blowout at high speeds. Unusual wear or dirt on the sidewall and low pressure are some visible signs of slow punctures. Another sign is a black sidewall. The biggest culprits are faulty valves, old alloy wheels, and sharp foreign objects piercing the tread. Slow puncture due to faulty valves can let air leak and eventually deflate the tyre. This can increase the braking distance and cause an accident. These objects can be identified with a noise which increases and decreases with the speed of the car. The object may not be sharp enough to puncture the tyre but it can slowly deflate by sticking on to the rubber. They can also damage the structure of the tyre and necessitate the need for a new tyre. If the valves dust cap falls, dust and gravel can enter the valve and let air out from the wheels. This problem can be fixed by removing the tyre from the wheel and putting the valve cap.

Tyre deflation can be a result of damaged or corroded alloy wheels. A dent in the wheel’s rim can also allow air seepage from the wheel. Severely damaged alloy wheels can even make the metal in the wheels porous, leading to air escape from the metal. It is better to buy a new wheel in this case.

Not all slow punctures can be repaired. It depends on what has caused the puncture and for how long it has been there. Some damages can be fixed with a rubber plug. However, damaged high-performance tyres cannot be repaired. Tyre sealants can be a quick fix for slow puncture during emergencies. However, it is not a permanent solution. This is because they make the tyre unrepairable.

It is very dangerous to drive with a slow punctured tyre as it can eventually lead to a full blowout at high speed. Partially inflated tyres can also dis-balance the car’s road-holding. If you drive on slow punctured tyres for long, it may damage your wheel to a non-repairable state, when a costly replacement would be the only option. Usually, new tyres are recommended when the puncture or damage is on the shoulder or sidewall.

We at Nil’s Tyre Services have specialists for Puncture Repair Blackburn and tyre services. If you spot slow deflation in any of the tyres, it is better to top it up or repair as soon as possible and then drive. The longer you let slow punctures, the higher are the chances of a fully flat tyre. So, if you have any trouble with your vehicle, visit us and we will take care of it.

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