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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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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Dayco - HD Two-Piece Tensioner #89947 DD15 Series Install

HD Two-Piece Tensioner #89947 DD15 Series Install

Our ASE master tech and product specialist take you step-by-step through the installation of Dayco’s new two-piece tensioner on a Freightliner DD15 engine. This particular tensioner was engineered ...
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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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Dayco - Tensioner Replacement Tips

OE Quality Tensioner Technology

Dayco’s resident ASE certified technician talks about why Dayco’s tensioner design, and its patented flat spring technology, is preferred by many of today’s OEMs ...
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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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Dayco - Common Water Pump Installation Errors

Common Water Pump Installation Errors

Learn the top two reasons water pumps fail after installation. Dayco’s engine experts also talk through torque, cooling system maintenance, why cavitation occurs and the importance of using ...
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9TheOEbalancerdoesnothavekeywaydaycounitdoes

The OE/stock balancer does not have a keyway and the PowerBond by Dayco harmonic balancer unit does....

The Dayco balancer fits a multitude of applications, some of which do require the keyway. If yours does not, you can fill in the keyway with silicone ...
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1HowdoIuseLaserAlignmentTools

How do I use the Dayco laser alignment tool?

Unlike laser tools with attachments, Dayco’s tool has an aluminum body with magnets that secure it into the grooves of the reference pulley (usually the crankshaft pulley), ensuring ...
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