A Most Important Part (Serpentine Belt Replacement)
December 7, 2025
Your vehicle’s engine is an engineering work of wonder with many complex parts working in harmony to get you down the road. One of those simple but important components is called a serpentine belt. It is driven by a pulley on the engine and transfers that power to many of your engine’s most important components. The serpentine belt may drive the alternator, water pump, power steering pump and air conditioning compressor.
When it’s working like it should, you won’t even notice the serpentine belt. But when it starts to fail, you may hear a squealing noise coming from under the hood as the belt starts slipping. Heat and time take their toll on the serpentine belt, causing it to crack or even to start shredding. When this happens, it may not drive your alternator correctly, and your battery light may come on. If the water pump isn’t turning, your engine may overheat, causing the heat gauge to show hotter than usual.
When the serpentine belt isn’t doing its job, it’s important to get it serviced very soon. Letting it go too long can result in many more expensive repairs to multiple parts on your vehicle, especially if the belt breaks.
Regular vehicle maintenance is important, and an inspection of your serpentine belt should be one of those things you should have one of our technicians do periodically. While the belts can last for years, it’s important to detect any beginning of wear earlier rather than later. In addition to the condition of the belt, the technician can also check to make sure pulleys are aligned properly and that the belt is routed correctly.
Your vehicle’s serpentine belt is one of those components that you won’t even notice when it’s doing its job, and maintaining it will help you avoid surprises at the worst possible time.
Sterling Tire & Auto
34701 Van Dyke Rd
Sterling Heights, Michigan 48312
586-264-7775
Need Service?
More articles from Sterling Tire & Auto
A Sensor that Makes Sense
October 25, 2026
Theres an electronic device in your vehicle you may not even know about: the oxygen sensor. Your vehicle probably has more than one of them, and these oxygen sensors help your vehicle burn fuel efficiently, reduce emissions and protect important parts in your engine. An oxygen sensor senses how... More
Keep It Smooth: Chassis Lubrication
October 23, 2026
If you have a truck, SUV or older car, chances are your vehicle has grease chassis fittings that need regular maintenance. Having them lubricated can give you a smoother, quieter ride and prevent more expensive repairs down the road. Its especially important on parts that have to move a lot, es... More
Helping Your Engine Breathe Easier
October 11, 2026
You may have heard someone tell you its time to replace your vehicles engine air filter and thought, Its OK. Ill do it in a while. While its tempting to put that off, keep in mind that having your engine air filter replaced is one of the easiest ways to maintain your vehicles performance and ef... More