Summer Car Problems Every Colorado Driver Should Know
Summer in Denver brings sunshine, mountain adventures, and unfortunately, a whole host of car problems that can leave you stranded on I-25 or stuck in a King Soopers parking lot. Colorado's unique climate creates the perfect storm for vehicle issues that many drivers don't see coming.
The Mile High City's elevation, intense UV rays, and dramatic temperature swings put extra stress on your car's systems. From overheating engines to blown tires, summer car troubles can turn your road trip to Boulder or Fort Collins into a costly headache.
Your Engine is Fighting the Heat and Altitude
Denver's 5,280-foot elevation means your engine works harder than it would at sea level. Add summer temperatures that can soar into the 90s, and you've got a recipe for overheating. Your cooling system has to work overtime to keep things running smoothly.
Watch for these warning signs:
- Temperature gauge climbing higher than normal
- Steam coming from under the hood
- Sweet smell that could indicate coolant leaks
- Unusual engine noises
The dry Colorado air also means coolant evaporates faster than in humid climates. Many Denver drivers discover their coolant levels have dropped significantly during the summer months, even without visible leaks.
Your Car Battery Hates Colorado Summers
While most people think of winter as hard on car batteries, summer heat is actually more destructive. Temperatures above 90 degrees cause the fluid inside your battery to evaporate, damaging internal components.
Colorado's intense sun, amplified by our high altitude, bakes parked cars to extreme temperatures. If your car sits outside at Park Meadows Mall or DTC during a hot afternoon, your battery is taking a beating.
Signs your battery is struggling:
- Slow engine cranking
- Dashboard warning lights
- Corroded battery terminals
- Battery case that looks swollen
Tire Troubles on Hot Colorado Pavement
Hot asphalt and underinflated tires don't mix well. As temperatures rise, the air inside your tires expands, increasing pressure. But if you started with low pressure, the heat can cause dangerous blowouts, especially on highways like I-76 heading to the airport.
Colorado's frequent hailstorms add another layer of risk. Even small hail can weaken tire sidewalls, making them more likely to fail during hot weather driving.
Check your tires regularly during summer for:
- Proper air pressure (check when tires are cool)
- Unusual wear patterns
- Cracks or bulges in sidewalls
- Tread depth
Air Conditioning Systems Work Overtime
Your AC system faces unique challenges in Colorado. The thin air at our altitude means your AC compressor works harder to cool your car. Plus, those sudden afternoon thunderstorms that roll off the Rockies create humidity spikes that stress your system even more.
Many Denver drivers notice their AC struggling right when they need it most – during those hot summer drives to Red Rocks or the Denver Zoo. Weak airflow, warm air, or strange smells all signal AC problems that need attention.
Fuel System Issues in the Heat
Hot weather affects your fuel system in ways you might not expect. Gas expands in heat, which can cause pressure buildup in your fuel tank. Colorado's ethanol-blended gasoline can also cause problems in older vehicles during hot weather.
Vapor lock, where fuel actually boils in the fuel lines, can leave you stranded. This problem is more common at Denver's altitude, especially in older cars without proper fuel system designs for high-elevation driving.
Protecting Your Car This Summer
Simple steps can prevent many summer car problems:
Keep up with maintenance: Regular oil changes become even more critical in hot weather. Fresh oil handles heat better than old, thick oil.
Check fluid levels weekly: Coolant, brake fluid, and transmission fluid all work harder in summer heat.
Park smart: Use covered parking when possible, especially at places like Cherry Creek Mall or downtown Denver where concrete amplifies heat.
Don't ignore warning signs: That check engine light or temperature warning isn't going away on its own.
Get Your Car Summer-Ready in Denver
Don't let car problems ruin your Colorado summer plans. Whether you're heading to a Rockies game, camping in the mountains, or just commuting to work in downtown Denver, your car needs to be ready for our unique climate challenges.
At ImportSports Performance, our ASE Certified technicians know exactly how Colorado summers affect your vehicle. We've been keeping Denver drivers on the road since 1997, and we're ready to help your car handle whatever summer throws at it.
Is your car ready for Denver's summer heat? Call ImportSports Performance at (303) 752-2422 to schedule a summer vehicle inspection. Our team will check your cooling system, test your battery, inspect your tires, and make sure your AC is ready to keep you cool. Don't wait until you're stranded – give us a call today.







