Search Results

1IboughtNewCVT

I bought a new CVT belt. How do I break it in? 

It doesn’t matter if you drive a UTV, ATV or snowmobile,  you’ll need to break your new powersports CVT belt in using two heat cycles. After following proper installation ...
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2WhereDoIfindBeltRoutingDiagrams

Where do I find belt routing diagrams?

Dayco has more than 16,000 belt routing diagrams available on its Find Your Part search platform. If you come across a specific part number that does not have ...
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3HowCanITellIfASerpBeltisBad

How can I tell if a serpentine belt is bad?

Beyond looking at the belt directly for physical signs of damage – such as swelling, cracks, or disfiguration – pay attention to how your car is functioning. Noise is often ...
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4HowdoIcheckforbeltwear

How do I check for belt wear?

Belt wear can be difficult to detect because newer belts made with EPDM rubber tend to wear like tire tread, where there is material loss from the rib ...
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CTVBreak

CVT Belt Installation and Break-In

For powersports enthusiasts, there’s nothing worse than getting stranded due to a busted belt. That’s why belt replacement and break-in is super critical ...
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Beltrouting

Belt Routing Diagrams

There are more than 16,000 belt routing diagrams available in Dayco’s Find Your Part search platform, covering millions of vehicles makes and models. However, if you search a ...
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Dayco - Measuring Belt Wear

Measuring Belt Wear

Learn how to use the Dayco Awearness gauge during a proper belt inspection. This quick tutorial shows how to measure the belt’s rib depth and rib profile as ...
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Dayco - HD Serpentine Belt Inspection Tips

HD Serpentine Belt Inspection Tips

Go under the hood of a big rig with Dayco’s tech team members to learn about serpentine belt maintenance for heavy-duty vehicles. They’ll show you how to troubleshoot ...
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5HowdoIknowifmytimingbelthasbeenreplaced

How do I know if my timing belt has been replaced?

Without maintenance history of a car, the best possible way is to check CarFax for a repair history report, ask the previous owner, or look for a sticker ...
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6Onatimingbeltrepair,whichmarks

On a timing belt repair, which timing mark is for the camshaft and which is for the crankshaft?

Most timing belts will have two double dotted line marks and 4 to 6 solid marks. Double dotted lines are for the crankshaft, and the solid line is ...
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7Whatisthecorrectserpbelttouse

What is the correct serpentine belt to use if I’m installing a 25% overdrive or underdrive balancer?

As long as nothing is removed from the routing system, like the A/C compressor, the OE stock belt length will still work. You can use our Find Your ...
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8Iinstalledaserpbeltacpldaysago

I installed a serpentine belt a couple of days ago and it broke. What did I do wrong?

When a belt breaks quickly after installation, it is likely due to one of the four reasons: It was not 100% seated in a pulley. Worn pulley bearings ...
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Dayco - Serpentine Belt Maintenance Tips

5 Serpentine Belt Maintenance Tips

Dayco’s engine experts share basic belt tips to help make installation easier. Learn about maintenance intervals, belt wear, troubleshooting noise and more ...
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Dayco - Powersports Belt Maintenance

Powersports Belt Maintenance

One of Dayco’s product specialists explains the basics of belt installation for your ATV, UTV, side by side (SXS) or snowmobile and the importance of a two-heat cycle ...
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Dayco - Timing Belt Installation and Repair Tools

Timing Belt Installation & Repair Tools

Dayco’s resident engine experts show you all the tools needed to make timing belt installation easy – from cam sprocket tools to special two-pin tools ...
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9Myserpentinebeltismakingnoise

My serpentine belt is making a noise. How do I determine what’s causing it?

There are two very distinct noises caused by different issues - one is a chirp, the other is a squeal. Your best course of action is to conduct a ...
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10beltismakingachirp

What should I do if my belt is making a chirping noise?

There’s a few possible causes for a chirp: pulley misalignment, improper installation, extremely worn belt ribs, worn pulley bearings or contamination. We suggest the following solutions: Check alignment ...
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11WhatshouldIdoifBeltismaking Sqeaulingnoise

What should I do if the belt is making a squealing noise?

A squeal is usually caused by low bely tension or contamination. To rectify the problem, we suggest the following steps: Properly tension manual applications during installation (35 lbs ...
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12Howoftenshouldbeltbereplaced

How often should the serpentine belt be changed?

Regular inspection of all drive belts, tensioners and accessories should be recommended once the vehicle passes 60,000 miles. And when the belt is worn and ready for replacement, ...
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13HowcanItellifbeltisworn

How can I tell if a belt is worn out?

Belt wear can be difficult to detect because newer belts made with EPDM rubber tend to wear like tire tread, where there is material loss from the rib ...
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Belt Tools Help Reduce Comebacks

Belt Tools Help Reduce Comebacks

At Dayco, we’ve learned that some technicians aren’t checking total system alignment, they are only checking the belt itself. Below we outline two tools that will help technicians ...
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SolutionsforProblemDrives

Serpentine Belt Inspection

Most modern vehicles use serpentine belts that are now made with EPDM compounds. But EPDM belts wear differently than the earlier neoprene constructed belts ...
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DiagnosingBeltNoise2

How to Fix Serpentine Belt Noise

If a newly installed serpentine belt  is making noise, it is a sign of a problem within the engine’s front end drive system. Serpentine belt noise is the ...
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The EvolutionofSerpBelts

The Evolution of Serpentine Belts

Over the past 25 years, serpentine belts have changed considerably. Vehicles used to have multiple serpentine belts that only had up to four points of contact. Today, serpentine ...
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