Windscreen Crack MOT Fail: What You Need to Know

Windscreen MOT Failure

Windscreen cracks are a common problem for drivers, and they can be a major safety concern. In fact, a cracked windscreen can result in a failed MOT test, preventing you from legally driving your vehicle on the road. This is because a crack in the windscreen can impair your vision and compromise the structural integrity of the vehicle.

If you’re unsure whether your windscreen crack will result in an MOT fail, it’s important to get it checked out by a professional. The size, location, and depth of the crack can all impact whether your vehicle will pass the test. In some cases, a small crack may be repairable, while in others, the entire windscreen may need to be replaced.

It’s also worth noting that even if your windscreen crack is not severe enough to cause an MOT fail, it’s still important to get it repaired as soon as possible. A crack can quickly spread and worsen, making it more difficult and expensive to fix in the long run. Plus, driving with a cracked windscreen is a safety hazard that puts you and your passengers at risk.

Understanding MOT Windscreen Standards

At an MOT test, the windscreen is one of the most critical components that are inspected. The windscreen is checked for cracks, chips, and other damages that may affect the driver’s visibility and the overall structural integrity of the vehicle. In this section, we will discuss the MOT windscreen standards and what you need to know to ensure your vehicle passes the test.

Size and Position of Damage

The size and position of the damage on the windscreen are crucial factors that determine whether the vehicle passes or fails the MOT test. If the damage is in the driver’s line of sight, the windscreen must be replaced, regardless of its size. If the damage is outside of the driver’s line of sight, the size of the damage is taken into consideration.

The MOT standards state that any damage larger than 10mm in the driver’s line of sight or 40mm outside of the driver’s line of sight will result in a fail. Additionally, any damage that is within 10mm of the edge of the windscreen will also result in a fail.

Driver’s Line of Sight

The driver’s line of sight is an essential consideration when it comes to windscreen damage. The driver’s line of sight is defined as the area swept by the windscreen wipers. Any damage that falls within this area, regardless of its size, will result in a fail.

Types of Windscreen Cracks

Not all windscreen cracks are created equal. The type of crack is another factor that is taken into consideration during the MOT test. A crack that is star-shaped, bullseye, or horseshoe-shaped is less likely to result in a fail than a crack that is linear or runs across the windscreen.

Overall, it is essential to keep your windscreen in good condition to ensure that your vehicle passes the MOT test. Regular maintenance and repairs can help prevent windscreen damage and keep you safe on the road.

Legal Requirements for Windscreen Condition

The Road Traffic Act

As per the Road Traffic Act 1988, it is illegal to drive with a damaged windscreen that obstructs the driver’s view of the road. The act specifies that the driver must have a clear view of the road ahead and to the sides of the vehicle. Any damage to the windscreen that affects the driver’s view can lead to a fixed penalty notice or even prosecution.

The act also specifies that any damage to the windscreen that is larger than 10mm in the driver’s line of vision or 40mm elsewhere on the windscreen can result in a failed MOT test. If the damage falls within these criteria, it can be considered a dangerous defect, and the vehicle cannot be driven on the road until the windscreen is replaced or repaired.

MOT Test Criteria

During an MOT test, the windscreen is checked for any damage that may affect the driver’s view of the road. The criteria for a pass or fail are as follows:

  • Any damage larger than 10mm in the driver’s line of vision or 40mm elsewhere on the windscreen is considered a dangerous defect and will result in an MOT fail.
  • Any damage that causes a sharp edge or protrusion on the windscreen is considered a dangerous defect and will result in an MOT fail.
  • Any damage that is in the swept area of the windscreen wipers and is larger than 10mm in diameter will result in an MOT fail.
  • Any damage that is in the swept area of the windscreen wipers and is within 10mm of the edge of the windscreen will result in an MOT fail.

It is essential to keep the windscreen in good condition to ensure the safety of the driver and passengers. Regular checks should be carried out to identify any damage and have it repaired or replaced promptly. Failure to comply with the legal requirements for windscreen condition can result in penalties and prosecution.

Common Reasons for MOT Failure Due to Windscreen Cracks

When it comes to passing an MOT, a cracked windscreen can be a major issue. There are several reasons why a windscreen crack can cause an MOT failure. In this section, we will discuss the most common reasons for MOT failure due to windscreen cracks.

Severity of Crack

The severity of the crack is one of the main reasons why a windscreen can fail an MOT. If the crack is larger than 10mm in the driver’s line of vision, or larger than 40mm elsewhere on the windscreen, it will be considered a significant defect and will result in a failure.

Impact on Visibility

Another reason why a windscreen crack can cause an MOT failure is its impact on visibility. If the crack is in the driver’s line of vision and is affecting their ability to see the road clearly, it will be considered a dangerous defect and will result in an immediate failure.

Crack Location

The location of the crack is also important when it comes to passing an MOT. If the crack is in the area covered by the windscreen wipers, it will be considered a dangerous defect and will result in an immediate failure. This is because the crack can interfere with the effectiveness of the wipers, which can be a significant safety hazard in adverse weather conditions.

In summary, a windscreen crack can cause an MOT failure if it is severe, affects visibility or is located in the area covered by the windscreen wipers. It is important to address any windscreen cracks as soon as possible to avoid an MOT failure and ensure the safety of yourself and others on the road.

Pre-MOT Windscreen Inspection

Before taking your vehicle for its annual MOT test, it’s important to ensure that your windscreen is in good condition. A cracked windscreen can be a significant safety hazard and can result in an MOT failure. In this section, we will discuss the two main methods of windscreen inspection: DIY and professional assessment.

DIY Windscreen Check

Performing a DIY windscreen check is a straightforward process that can be done with minimal tools. Here are the steps:

  1. Clean the windscreen thoroughly, both inside and out, to ensure any cracks or chips are visible.
  2. Inspect the windscreen for any chips or cracks. If you find any, measure them to ensure they are within the legal limits. The legal limit for a crack is 10mm in the driver’s line of vision, and 40mm elsewhere on the windscreen. The legal limit for a chip is 10mm in diameter.
  3. Check for any damage to the windscreen wipers or washer jets, as these can also result in an MOT failure.

Professional Assessment

If you are unsure about your ability to perform a DIY windscreen check, or suspect that your windscreen may be damaged, it’s best to seek professional assessment. Here are some options:

  1. Take your vehicle to a local garage or windscreen specialist for an inspection. They will be able to identify any damage and advise you on the best course of action.
  2. Contact your insurance company to arrange for a windscreen inspection. Many insurance policies include cover for windscreen damage, and they will be able to advise you on the best course of action.

In conclusion, a windscreen check is an important part of your MOT preparation. By performing a DIY check or seeking professional assessment, you can ensure that your vehicle is safe and roadworthy, and avoid an MOT failure.

Repairing Windscreen Cracks Before MOT

If your car has a cracked windscreen, it is important to repair it before taking it for an MOT test. A cracked windscreen can cause your vehicle to fail the test, and it can also be a safety hazard while driving. In this section, we will discuss temporary fixes and permanent repair solutions for windscreen cracks.

Temporary Fixes

If you need a quick fix for a cracked windscreen before your MOT test, there are a few temporary options available. These are not long-term solutions, but they can help to prevent the crack from spreading and causing further damage.

  • Clear nail polish: Apply a small amount of clear nail polish to the crack. This can help to prevent the crack from spreading and can also make it less visible.
  • Tape: Covering the crack with clear tape can help to prevent it from spreading. This is not a long-term solution, but it can be effective in the short term.
  • Windscreen repair kit: You can purchase a windscreen repair kit from most auto parts stores. These kits include a resin that can be used to fill the crack and prevent it from spreading. This is a temporary solution, but it can be effective in the short term.

Permanent Repair Solutions

If you want a more permanent solution for a cracked windscreen, there are a few options available. These solutions are more expensive than temporary fixes, but they can provide a long-term solution to the problem.

  • Windscreen replacement: If the crack is too large to be repaired, the windscreen will need to be replaced. This is an expensive option, but it is the only way to ensure that the windscreen is completely fixed.
  • Windscreen repair: If the crack is small enough, it may be possible to repair the windscreen instead of replacing it. This is a cheaper option than replacement, but it is not always possible.

In conclusion, it is important to repair a cracked windscreen before taking your car for an MOT test. Temporary fixes can help to prevent the crack from spreading, but they are not long-term solutions. Permanent repair solutions are more expensive, but they provide a long-term solution to the problem.

Consequences of Driving with a Cracked Windscreen

Safety Risks

Driving with a cracked windscreen can pose a serious safety risk to both the driver and passengers. A cracked windscreen can impair the driver’s vision, making it difficult to see the road ahead. This can be particularly dangerous when driving in adverse weather conditions such as heavy rain or fog.

In addition, a cracked windscreen can weaken the structural integrity of the vehicle, making it more susceptible to damage in the event of a collision. This can increase the risk of injury to both the driver and passengers.

Legal Implications

Driving with a cracked windscreen can also have legal implications. In the UK, a cracked windscreen can result in a failed MOT test. This means that the vehicle will not be deemed roadworthy and cannot be driven legally until the windscreen is repaired or replaced.

Furthermore, driving with a cracked windscreen can result in a fixed penalty notice or even prosecution if it is deemed to be a significant defect that poses a danger to other road users.

It is important to note that insurance companies may also refuse to pay out in the event of an accident if the vehicle was being driven with a cracked windscreen. This can result in significant financial implications for the driver.

In conclusion, driving with a cracked windscreen can pose serious safety risks and legal implications. It is important to have any cracks repaired or the windscreen replaced as soon as possible to ensure the safety of all road users and to avoid any legal or financial consequences.

Insurance and Windscreen Cracks

Claiming on Insurance

If you have comprehensive car insurance, it is likely that your policy will cover the cost of repairing or replacing your windscreen in the event of a crack. However, it is important to check your policy documents to confirm the specifics of your coverage. Some policies may have a limit on the number of claims you can make in a year, or may require you to pay an excess fee before the insurance company will cover the cost.

When making a claim, you will need to provide your insurance company with details of the crack, including its size and location. They may also require you to provide photographic evidence. Once your claim has been approved, the insurance company will arrange for the windscreen to be repaired or replaced.

Effect on Premiums

Making a claim on your car insurance policy for a windscreen crack may cause your premiums to increase when it comes time to renew your policy. This is because making a claim is seen as a higher risk to the insurance company, and they may adjust your premium accordingly.

However, some insurance policies offer a no-claims bonus, which rewards policyholders for not making any claims during a certain period of time. If you have this type of policy and have not made any claims, your premiums may not be affected by making a claim for a windscreen crack.

It is important to weigh up the cost of repairing or replacing your windscreen against the potential increase in premiums before making a claim on your insurance policy. In some cases, it may be more cost-effective to pay for the repair or replacement yourself, rather than making a claim.

Frequently Asked Questions

What size and location of windscreen damage will result in an MOT failure?

Any damage that is larger than 10mm in the driver’s critical vision area or 40mm elsewhere on the windscreen will result in an MOT failure.

How much does it typically cost to repair a cracked windscreen?

The cost of repairing a cracked windscreen can vary depending on the extent of the damage and the make and model of the vehicle. However, on average, it can cost between £50 and £250 to repair a windscreen.

What are the legal implications of driving with a cracked windscreen in the UK?

Driving with a cracked windscreen can be considered a motoring offence in the UK. If the crack is in the driver’s critical vision area, it can result in a fine and penalty points on your driving licence. Additionally, driving with a damaged windscreen can also affect your insurance coverage.

Can a hairline crack in the windscreen be repaired, and will it pass MOT?

A hairline crack in the windscreen can be repaired, but it depends on the location and size of the crack. If the crack is within the driver’s critical vision area or larger than 10mm, it will not pass the MOT and will need to be replaced.

What constitutes windscreen MOT failure in the driver’s critical vision area?

Any damage that is larger than 10mm in the driver’s critical vision area will result in an MOT failure. This area is defined as a rectangle that is 290mm wide and centered on the steering wheel. It extends from the bottom of the windscreen to 1mm below the top of the swept area of the windscreen wipers.

Is it possible to safely drive with a minor windscreen crack?

It is not recommended to drive with any type of windscreen damage as it can affect your visibility and compromise the safety of your vehicle. Even a minor crack can weaken the structural integrity of the windscreen and increase the risk of it shattering in the event of an accident. It is best to have any damage repaired or replaced as soon as possible.