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The serpentine belt is one of those small parts that makes a big impact. It powers critical systems like your alternator, power steering, A/C, and sometimes even the water pump. If it slips, cracks, or breaks, your car can grind to a halt fast.
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At each of our Brakes Plus locations, our technicians will provide a free visual inspection of all your belts and hoses each time you visit for an oil change or scheduled maintenance service. This is an easy way to keep an eye on these parts and be certain they’re all in good, safe condition. We’re of course happy to take a look between those services as well - just stop by, or schedule an appointment for a day and time convenient for you!
Squealing noise - Squealing under the hood could mean the serpentine belt is slipping or already damaged. Sometimes this only requires an adjustment to the tension, while other times it may require a full replacement.
Overheating engine - If the serpentine belt isn’t powering the water pump, the pump can’t cool your engine. This is a serious issue that can snowball into many other problems.
Power steering loss - Since the serpentine belt helps the power steering system function, you may find yourself with trouble turning the wheel as a result of a faulty belt.
Air conditioning problems - If your A/C isn’t blowing cold air, this could point back to the serpentine belt failing to provide enough power.
Loss of battery power - The alternator depends on the serpentine belt for power, so if it’s not functioning properly, your battery can’t recharge.
Visible wear - Cracks, worn ribs, missing chunks, fraying, or other visible damage are all clear indications you need a belt replacement.
A serpentine belt service is crucial because this single belt drives multiple essential systems. If it wears out or breaks, you could lose steering assistance, battery charging, engine cooling, or cabin comfort all at once. Staying ahead with regular service keeps your car safe, prevents roadside breakdowns, and avoids the domino effect of expensive repairs caused by one failed component.
Modern serpentine belts typically last between 60,000-100,000 miles. Heat, friction, and tension issues wear them down over time. City driving, stop-and-go traffic, or operating in hot climates can accelerate wear. Keeping an eye on mileage and symptoms helps you to know when to replace the belt before it fails unexpectedly.
Your serpentine belt (also called a drive belt) is the workhorse that keeps your vehicle’s most important systems moving. It wraps around pulleys, transferring engine power to critical components like the alternator, air conditioning compressor, power steering pump, and in some vehicles, the water pump. Without it, your car wouldn’t be drivable for long.
As belts age, they can fray, crack, or lose tension. That’s when squealing noises, power steering issues, battery drain, or overheating show up. And because the serpentine belt connects so many systems, one small failure can quickly ripple into larger, more expensive repairs.
Protects your engine cooling system by powering the water pump
Prevents sudden steering loss or dangerous breakdowns
Keeps your alternator charging the battery as it should
Keeps your A/C system working in hot weather
Maintains overall efficiency and vehicle reliability
At Brakes Plus, we provide free belt and hose inspections during oil changes or maintenance visits. If it’s time for a new belt, our expert technicians can install a replacement quickly and get you safely back on the road.
$20 off per axle. Not valid with other offers on same product or service. Must present coupon at time of service. Most Vehicles.
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Valid at participating locations only. Not valid with other offers on same product or service. Must present coupon at time of service.
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Not valid with other offers on same product or service. Must present coupon at time of service. Most vehicles.
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