Vehicle Failures in Heat: When Is It More Than Just Bad Luck?

Extreme heat isn’t just uncomfortable; it can be dangerous, especially on the road. Every summer, rising temperatures trigger a spike in vehicle breakdowns. Blown tires, overheated engines, and brake failures are common and sometimes deadly. But when a vehicle fails in scorching conditions, is it always just bad luck? Or could someone else be at fault?

If you’ve been in a crash during a heatwave and suspect mechanical failure played a role, here’s what you need to know.

Heat-Related Car Failures Are on the Rise

Heat affects nearly every part of your vehicle. High temperatures can:

• Weaken tire structure, leading to blowouts
• Cause engine overheating if the cooling system is underperforming
• Warp brake rotors, reducing braking ability
• Accelerate battery failure
• Compromise electronics and sensors

While these issues can develop over time, they’re often exacerbated by poor maintenance or manufacturer defects, and that’s when things become serious.

When Vehicle Failure Crosses the Line Into Negligence

A car breakdown in 105-degree weather might feel like a stroke of bad luck. However, sometimes the real cause is something preventable, or even something for which someone else should be held liable.

Here are a few examples of when a heat-related vehicle failure might go beyond chance:

Defective Parts

If a part failed due to a design flaw or manufacturing defect, such as a faulty radiator, fan, or thermostat, it could be grounds for a product liability claim. Automakers and parts manufacturers have a responsibility to produce safe, roadworthy products that can withstand both normal and extreme weather conditions.

Poor or Incomplete Maintenance by a Mechanic or Shop

Did you recently have your brakes replaced, radiator flushed, or cooling system repaired? If a service provider fails to perform the work properly or overlooks a critical issue, they may be held liable if that failure causes an accident.

Fleet or Commercial Vehicle Negligence

Many heat-related vehicle failures involve commercial or rideshare vehicles that weren’t properly maintained. Companies that manage fleets have a legal obligation to ensure their vehicles are safe to operate, particularly in extreme weather conditions.

Real Risks: What Happens When a Car Fails in the Heat

Heat-related failures often result in:

• Rear-end collisions caused by sudden engine stalls
• Tire blowouts at high speeds
• Brake loss on steep or congested roads
• Fires from overheated electrical systems
• Pedestrian injuries from swerving or out-of-control vehicles

In some cases, these accidents cause serious injuries, including burns, broken bones, or traumatic brain injuries. Victims may face medical bills, lost income, and long-term rehabilitation, all due to something that could have been prevented.

What To Do If You Were Injured After a Vehicle Malfunction

If you were involved in a car accident and suspect that extreme heat and a faulty part or system played a role, take these steps:

• Document the scene. Take photos of the vehicle, visible damage, road conditions, and any debris or tire remnants.
• Get a vehicle inspection. A qualified mechanic can identify signs of mechanical failure that may not be obvious at the scene.
• Preserve the evidence. Don’t repair or dispose of the car until your attorney and investigators have a chance to inspect it.
• Speak with a lawyer. An attorney with experience in product liability or accident claims can help determine if negligence played a role.

When to Contact a Lawyer

It’s not always easy to tell what caused a crash in a heatwave, but that’s exactly why talking to an attorney can help. A legal team can:

• Investigate mechanical failure and maintenance records
• Identify whether a recalled or defective part was involved
• Evaluate potential liability from manufacturers, mechanics, or fleet operators
• Work with accident reconstruction experts to build your case

You shouldn’t have to foot the bill for someone else’s oversight, especially when the cost is your health and safety.

Stay Safe This Summer (and Know Your Rights)

Heat-related vehicle issues are more than an inconvenience. When they lead to accidents, injuries, or worse, they deserve to be taken seriously. Whether it’s a faulty part, a missed inspection, or a company that skipped safety checks to save money, you may be entitled to compensation.

Think Your Crash Wasn’t Just Bad Luck?

You’re not alone. At Morgan & Morgan, we’ve handled thousands of car accident and product liability claims, many involving unsafe vehicles, poor maintenance, and extreme weather. If you were injured in a crash caused by a heat-related vehicle failure, contact us today to learn how we may be able to help.