Top 5 Summer Failure Points On Your Vehicle

April 21, 2025

Top Summer Failure Points of a Vehicle in Arizona’s Extreme Heat

Arizona summers are notorious for their relentless, triple-digit heat—and while we all feel it, your vehicle feels it even more. The high temperatures, intense sunlight and dry conditions create a perfect storm for automotive breakdowns. Here are the top failure points to watch for and how you can protect your ride from the Arizona summer sun.

1. Cooling System Overload

Your engine’s cooling system is the first line of defense against overheating. In Arizona, the cooling system works overtime just to keep your engine at a safe temperature. Common issues include:

- Low or old coolant

- Cracked or leaking radiator hoses

- Failing radiator fans or thermostats

If the cooling system falters, your engine can quickly overheat, leading to expensive repairs or even total engine failure. Regularly check coolant levels, inspect hoses for cracks, and ensure your radiator and fans are in good working order.

2. Battery Failure

High temperatures accelerate the chemical reactions inside your car battery, which can cause the fluid to evaporate and internal components to break down faster. Signs of trouble include:

- Slow engine cranking

- Corroded terminals

- Swollen battery casing

Batteries over three years old are especially prone to failure during Arizona summers. Consider having your battery tested or replaced before the hottest months hit.

3. Tire Blowouts and Rapid Wear

Arizona’s pavement can reach 130°F or higher, causing the air inside your tires to expand. This increases the risk of:

- Blowouts from overinflation

- Tread separation

- Accelerated wear, especially if tires are under- or over-inflated

Check your tire pressure monthly, inspect for cracks or bald spots, and rotate your tires regularly to avoid catastrophic failures.

4. Engine Oil Breakdown

Extreme heat causes engine oil to thin out and break down faster, reducing its ability to lubricate and protect your engine. This can lead to:

- Increased engine wear

- Sludge buildup

- Overheating

Frequent oil checks and timely oil changes are crucial in Arizona’s climate.

5. Belts and Hoses Deterioration

Rubber components like belts and hoses degrade rapidly in high heat, becoming brittle, cracked, or split. A failed belt or hose can leave you stranded with an overheated engine or loss of power steering. Inspect these parts regularly and replace them at the first sign of wear.

At Gemba Automotive, we understand how challenging Arizona’s summer heat can be on your vehicle. That’s why we offer comprehensive maintenance and repair services designed to keep your car cool, reliable, and safe all season long. With four convenient Valley locations—Tempe, Phoenix, Mesa Broadway, and Mesa Guadalupe—our expert technicians are ready to help you beat the heat.

Schedule your Summer Survival Check today by calling:

• Tempe: (480) 966-9600

• Phoenix: (602) 265-9600

• Mesa Broadway: (480) 969-9600

• Mesa Guadalupe: (480) 969-9601

You can also schedule online! Don’t let Arizona’s extreme heat catch you off guard—trust Gemba Automotive to keep you moving all summer long!

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