Back to all

A Most Important Part (Serpentine Belt Replacement)

November 2, 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.  

Courtesy Auto Repair Plus
967 Bon Air Ave
Tiffin, Ohio 44883
419-443-0797
http://www.courtesyautorepairplus.com

More articles from Courtesy Auto Repair Plus

Don?t Skip Out on These! (Vehicle Maintenance Items You Should Never Postpone)

December 14, 2025

Maybe that little sticker on your windshield is giving you the reminder that its time for your vehicle to have an oil change. Youve thought, Aw, I can skip this one and save myself a little money. When it comes to things you should never ignore on your vehicle, timely oil changes are number one... More

Why Maintaining Your Windshield Wipers and Washers Matters (Windshield Wiper and Washer Inspection)

December 7, 2025

What do mud, bird droppings and frost all have in common? When theyre covering your windshield, they can temporarily obscure your view of the road, leaving you driving blind. And when you cant see the road clearly ahead of you, it can be really scary. Thats one of the reasons its important to m... More

A Clean Start (Battery Cleaning)

November 30, 2025

You may be fanatical about keeping the outside of your vehicle clean. But what about what's under the hood? Have you ever thought about how dirt and grime may be affecting your engine's components? One of the most important parts under your hood to keep clean is your vehicle's battery. With a d... More