Serpentine belt Archives - Import Car
Dayco Expands H-D Belt Kit Line

Dayco says six new SKUs cover hundreds of thousands of Class 8 fleet vehicles on the road today.

What To Inspect Before Replacing The Serpentine Belt (VIDEO)

Friction between the belt and pulleys wears away at the belt. This video is sponsored by the Group Training Academy.

VIDEO: Inspecting The Serpentine Belt

Replacing the belt rarely stops the noise on its own. This video is sponsored by The Group Training Academy.

Inspecting Serpentine Drive Belts

A serpentine belt can look good to the naked eye. But, to the ear, odometer and measuring tools, it could be another story. When you are looking at the belt and the pulleys on which it rides, it is critical to use all of your senses.

VIDEO: Serpentine Belts: What Are They Made Of?

Andrew Markel discusses the construction of a serpentine belt, and how each of its layers contributes to its structural integrity and longevity on an engine. Sponsored by Continental.

VIDEO: Aligning The Belt After A Water Pump Replacement

Andrew Markel stresses the importance of a properly aligned belt and high quality gasket after a water pump job to prevent premature rapid wear during operation. Sponsored by MAHLE.

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Belt Tensioner Inspection & Replacement Tips

Most late-model engines have serpentine belt drives for the engine-driven accessories, and most people know that belts are a maintenance item that eventually has to be replaced. However, many people don’t know the spring-loaded automatic tensioner that keeps a serpentine belt tight is also a wear item. Consequently, the automatic tensioner may also have to be replaced when the time comes to change the belt.

Engineered Accessory Drive Serpentine Belt Replacement

You might not be able to see it, but an accessory drive belt is always both speeding up and slowing down. When a piston accelerates downward after the ignition of the fuel and air, the crankshaft speeds up and then slows down as it reaches the bottom of the stroke. These changes in speed are minimal, but big enough to cause problems.