DIY or Pro? Discover the Secrets to Repairing Cracked Headlights

A cracked headlight can be a major inconvenience, affecting both your visibility and the overall appearance of your vehicle. While it is tempting to replace the entire headlight assembly, repairing the crack can be a cost-effective alternative. But can cracked headlights be repaired?

Types of Headlight Cracks

The type of repair you need depends on the severity and location of the crack. Here are the common types of headlight cracks:

• Minor Cracks: These are small, hairline cracks that do not significantly impair visibility.
• Moderate Cracks: These cracks are larger and may extend across the lens or housing.
• Major Cracks: These cracks are extensive and may cause the headlight to shatter or leak.

Repair Options for Cracked Headlights

The repair options for cracked headlights vary depending on the type of crack:

Minor Cracks

1. Resin Repair Kit:
Using a resin repair kit is a simple and inexpensive way to fix minor cracks. The kit includes a resin that fills the crack and cures under UV light.

2. Clear Nail Polish:
Clear nail polish can also be used to fill in small cracks. However, it is not as durable as resin and may not provide a long-lasting solution.

Moderate Cracks

1. Adhesive Repair:
For moderate cracks, you can use a strong adhesive, such as epoxy or super glue, to bond the cracked pieces together. Reinforce the repair with clear tape or plastic wrap.

2. Heat Gun Repair:
Using a heat gun to soften the plastic around the crack can sometimes help to close the gap. However, this method is only suitable for certain types of plastic headlights.

Major Cracks

1. Professional Repair:
For major cracks, it is best to seek professional repair. A qualified mechanic can remove the headlight assembly and use specialized equipment to repair the crack.

2. Headlight Replacement:
If the crack is severe or cannot be repaired effectively, you may need to replace the entire headlight assembly.

Cost of Headlight Repair

The cost of headlight repair varies depending on the severity of the crack and the repair method used. Here is an approximate breakdown:

• Minor Cracks: $20-$50
• Moderate Cracks: $50-$150
• Major Cracks: $150-$300
• Headlight Replacement: $200-$600

DIY vs. Professional Repair

While some minor cracks can be repaired at home, it is generally recommended to seek professional repair for moderate to major cracks. Attempting to repair severe cracks yourself could lead to further damage or poor visibility.

Prevention of Headlight Cracks

Here are some tips to prevent headlight cracks:

• Keep headlights clean to avoid scratches and pitting.
• Use a protective film or sealant to protect the headlights from UV radiation and debris.
• Avoid driving over potholes or other road hazards that could cause impact damage.
• If you notice a small crack, repair it promptly to prevent it from spreading.

When to Replace a Cracked Headlight

While repairing a cracked headlight can extend its lifespan, there are instances when replacement is necessary:

• The crack is large or located in a critical area that affects visibility.
• The repair is ineffective or the crack continues to spread.
• The headlight housing is damaged or leaking.

Basics You Wanted To Know

1. Can I drive with a cracked headlight?
It is generally not advisable to drive with a cracked headlight, as it can impair visibility and be a safety hazard.

2. How long does a headlight repair last?
The longevity of a headlight repair depends on the severity of the crack and the repair method used. Minor cracks repaired with resin kits can last several months to years.

3. Can I repair a cracked headlight with toothpaste?
While toothpaste can temporarily fill in small cracks, it is not a permanent solution and may not provide adequate protection from moisture or impact.