A Most Important Part (Serpentine Belt Replacement)
January 18, 2026
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.
TLC Custom Exhaust Brakes & Tires
1735 N Main St
Royal Oak, Michigan 48067
248-541-8300
http://www.tlcautocareroyaloak.com
Need Service?
More articles from TLC Auto Care
Smooth Operator
July 26, 2026
Were used to bringing a vehicle to a stop and hardly noticing the engines even running when were sitting still. But sometimes you might notice it running rough when youre idling. Your vehicle is shaking, vibrating and making sputtering noises. You may even notice the tachometer on your instrum... More
The Best Test
July 19, 2026
Would you buy a jacket without even trying it on? Probably not, but it might surprise you that one study shows about half the people buy a vehicle after a short test drive around the block or none at all. If you're in the market for another vehicle, make sure you check out the most important thi... More
Catching Trouble Early
July 12, 2026
Your vehicle depends on wheel bearings. Sitting between the wheels hub and axle, they allow your wheels to spin smoothly, bear the vehicles weight and work in harmony to stay aligned with other parts. Wheel bearings can fail in several ways, and they may send the driver some pretty clear clues... More