Powersports Belt & Clutch Maintenance Tips
Every day our tech team sees post after post on social media forums asking about belt usage ...
Harmonic Balancer Replacement and Install Tips
https://youtu.be/WmoYrQrhYTULength: 3:40 Harmonic balancer removal and installation on 6.2L engine Dayco part number PB1190N Covers tools needed Best practices on balancer preparation ...
PowerBond by Dayco Harmonic Balancers
Our head of product management walks through the role a harmonic balancer has in the engine, its key parts and the full line of Dayco harmonic balancers ...
Using the Dayco FactFinder Tool
Join our expert in the Dayco garage to learn how to accurately measure a belt without a part number. This tool can be used for both automotive and ...
Powersports Belt & Clutch Maintenance
Learn how to extend belt life with proper belt break-in and clutch maintenance from a resident Dayco powersports expert. He explains why short belt life is usually the ...
Dayco POWER Belts, For Riders by Riders
Learn about the full line of Dayco POWER belts from one of Dayco’s very own powersports enthusiasts. He’ll walk you through the various types of belt designs for ...
Belt Interchange Guide
Introduction to metric numbers Understanding the PK number Interchange instructions Troubleshooting conversion issues Reading belt numbers and additional tools JTNDYSUyMHRhcmdldCUzRCUyMl9ibGFuayUyMiUyMGhyZWYlM0QlMjIlMkZ3cC1jb250ZW50JTJGdXBsb2FkcyUyRjIwMjMlMkYxMCUyRkxWRGF5Y29NZXRyaWNCZWx0Q29udmVyc2lvbldlYmluYXJGSU5BTC5wZGYlMjIlMjBjbGFzcyUzRCUyMl9zZWxmJTIwcHQtY3YtcmVhZG1vcmUlMjBidG4lMjBmdWxsJTIyJTIwdGFyZ2V0JTNEJTIyX2JsYW5rJTIyJTNFRG93bmxvYWQlM0MlMkZhJTNF ...
Water Pump Best Practices
Water pump’s role and design Breakdown of each component Cooling system maintenance tips Importance of kits Signs of failure and maintenance intervals JTNDYSUyMHRhcmdldCUzRCUyMl9ibGFuayUyMiUyMGhyZWYlM0QlMjIlMkZ3cC1jb250ZW50JTJGdXBsb2FkcyUyRjIwMjMlMkYxMCUyRkxWRGF5Y29XYXRlclB1bXBXZWJpbmFyRklOQUwucGRmJTIyJTIwY2xhc3MlM0QlMjJfc2VsZiUyMHB0LWN2LXJlYWRtb3JlJTIwYnRuJTIwZnVsbCUyMiUyMHRhcmdldCUzRCUyMl9ibGFuayUyMiUzRURvd25sb2FkJTNDJTJGYSUzRQ== ...
Timing Belt Components
Importance of timing belt maintenance Replacement intervals Systems approach Customer communication Installation tips and signs of wear Dayco kits JTNDYSUyMHRhcmdldCUzRCUyMl9ibGFuayUyMiUyMGhyZWYlM0QlMjIlMkZ3cC1jb250ZW50JTJGdXBsb2FkcyUyRjIwMjMlMkYxMCUyRkxWRGF5Y29UaW1pbmdDb21wb25lbnRzV2ViaW5hckZJTkFMLnBkZiUyMiUyMGNsYXNzJTNEJTIyX3NlbGYlMjBwdC1jdi1yZWFkbW9yZSUyMGJ0biUyMGZ1bGwlMjIlMjB0YXJnZXQlM0QlMjJfYmxhbmslMjIlM0VEb3dubG9hZCUzQyUyRmElM0U= ...
Timing Chain Kit Components & Troubleshooting
Reasons for timing chain replacement Reading diagnostic codes System components overview Addressing NVH or component related problems Tips prior to replacement Top applications JTNDYSUyMHRhcmdldCUzRCUyMl9ibGFuayUyMiUyMGhyZWYlM0QlMjIlMkZ3cC1jb250ZW50JTJGdXBsb2FkcyUyRjIwMjMlMkYxMCUyRkxWX0RheWNvX1RDS0NvbXBvbmVudHNUYmxTaG9vdGluZ1dlYmluYXJGSU5BTC5wZGYlMjIlMjBjbGFzcyUzRCUyMl9zZWxmJTIwcHQtY3YtcmVhZG1vcmUlMjBidG4lMjBmdWxsJTIyJTIwdGFyZ2V0JTNEJTIyX2JsYW5rJTIyJTNFRG93bmxvYWQlM0MlMkZhJTNF ...
Tensioners, Pulleys and System Replacement
Belt system basics and components explained Tensioner and pulley designs Warning signs of wear/failure Dayco kits JTNDYSUyMHRhcmdldCUzRCUyMl9ibGFuayUyMiUyMGhyZWYlM0QlMjIlMkZ3cC1jb250ZW50JTJGdXBsb2FkcyUyRjIwMjMlMkYxMCUyRkxWRGF5Y29TeXN0ZW1SZXBsYWNlbWVudDEwMXdlYmluYXJGSU5BTC5wZGYlMjIlMjBjbGFzcyUzRCUyMl9zZWxmJTIwcHQtY3YtcmVhZG1vcmUlMjBidG4lMjBmdWxsJTIyJTIwdGFyZ2V0JTNEJTIyX2JsYW5rJTIyJTNFRG93bmxvYWQlM0MlMkZhJTNF ...
Reducing Serpentine Belt Comebacks
Evolution in OE drive design Identifying and measuring belt wear Troubleshooting noise Modern belt designs JTNDYSUyMHRhcmdldCUzRCUyMl9ibGFuayUyMiUyMGhyZWYlM0QlMjIlMkZ3cC1jb250ZW50JTJGdXBsb2FkcyUyRjIwMjMlMkYxMCUyRkxWRGF5Y29SZWR1Y2luZ1NlcnBCZWx0Q29tZWJhY2tzV2ViaW5hckZJTkFMLnBkZiUyMiUyMGNsYXNzJTNEJTIyX3NlbGYlMjBwdC1jdi1yZWFkbW9yZSUyMGJ0biUyMGZ1bGwlMjIlMjB0YXJnZXQlM0QlMjJfYmxhbmslMjIlM0VEb3dubG9hZCUzQyUyRmElM0U= ...
Timing Chain Kit Installation – Honda 2.4L Engine K24A
https://youtu.be/wftXIlKZh48Length: 5:32 Dayco timing chain master kit KTC1387 Overview of special tools Proper torque procedures Removal and replacement of: Upper chain guide assembly Balance shaft chain and sprockets ...
Timing Chain Kit Installation – General Motors LS 5.3L V8 Engine
https://www.youtube.com/watch?v=HX1e6rA4CiQLength: 4:04 Dayco timing chain kit KTC1355 Removal and replacement of upper and lower sprockets and timing chain Torque specifications and proper reinstallation sequence ...
Timing Chain Kit Installation – Ford 4.0L V6 Engine
https://www.youtube.com/watch?v=PP1Tfr001nQLength: 9:43 Dayco timing chain kit KTC1359 Covers special tools necessary Proper torque specifications Addresses removal and installation of: Upper chain assembly Balance shaft chain and ...
Replace serpentine belts, pulleys, tensioners together for best performance
Serpentine belts on today’s cars can have over 10 points of contact, creating very complicated ...
3 Reasons Electric Water Pumps Fail
Electric water pumps help maintain fluid flow and keep components at safe temperatures but they can be installed improperly if technicians aren’t careful. Dayco recommends following these tips ...
Top Two Causes of Timing Chain Repair
Find out the two main reasons why timing chains get replaced and what to do in each circumstance. This video highlights the steps needed to ensure proper timing ...
Addressing Common Installation Errors with Electric Water Pumps
Electric water pumps are being used by OEMs more frequently thanks to a number of benefits ...
The Top Two Reasons Timing Chains Need Replacement
Timing chains don’t get a lot of attention – mostly because they are intended to perform for the life of the vehicle ...
Industrial V-belt Cross Reference for 4L and 5L Belts
Dayco experts suggest switching from a 4L or 5L V-belt for some industrial/HVAC applications to a GOLD LABEL ...
How to Properly Store Industrial V-belts
Many maintenance managers do not have a proper procedure for storing and handling power transmission belts ...
How to Extend the Life of HVAC Belts
Belts used in HVAC applications are frequently found in exhaust and ventilation fans on rooftops. Often exposed to sunlight ...
5 Reasons V-belts Don’t Last as Long as They Should and How Preventative Maintenance Programs Help
Many maintenance managers report V-belt drives only last two-three months but the reality is premium heavy-duty ...
Timing Chain Kit Installation – Ford 4.6L/5.4L F-150 V8 Engine
https://youtu.be/8Z8_4EsTd6sLength: 7:32 Dayco timing chain kit KTC1335 installation Removal of components and replacement Covers warnings on valve keeper removal Addresses proper removal of roller followers and camshaft phasers ...
Timing Chain Kit Installation – General Motors 2.4L Engine
https://youtu.be/fHM0wbYlAHkLength: 7:29 Dayco timing chain kit KTC1338 installation Chain, crank sprocket, tensioner/guide, nozzle and upper and fixed timing chain guide removal and replacement Covers tools needed and removal ...
Timing Chain Kit Installation – Stellantis/RAM V6 3.6L Engine
https://youtu.be/To9Gtjo2FyoLength: 8:39 Dayco timing chain kit KTC1372 installation Covers all components for primary and secondary chain installation Highlights removal of oil pans, crankshaft rotation, tools and torque specifications ...
Timing Chain Kit Installation – Ford 3.5/3.7L V6 Engine
https://youtu.be/OJIn2h10OAALength: 8:53 Dayco timing chain kit KTC1339 installation Water pump replacement with Dayco DP1744 Applicable to Ford 3.5L and 3.7L V6 engines Covers tools needed, removal of all ...
Timing Chain Kit Installation – General Motors V6 3.6L Engine
https://youtu.be/lyxdZeKe6XALength: 7:34 Dayco timing chain kit KTC1391 installation Applicable to 3.6L and 3.0L GM engines Replacement of cam phasers, VVT solenoids, secondary/primary chains Covers tools needed, torque specs ...
Timing Belt Kit Installation – Honda/Acura V6 3.5L engine
https://youtu.be/32CokZpMmHILength: 7:09 Dayco timing belt kit WP329K2A installation which includes the water pump/gasket Most requested kit Covers necessary tools, torque specs and proper routing sequence Highlights Honda and ...
Step-by-Step Industrial Belt Drive Maintenance
Belt drives are the most cost effective, reliable means of shaft-to-shaft power transmission speed change but ...
Top 3 Timing Belt Tools and Tips
Timing belt maintenance requires precision and patience. One wrong move in belt alignment and the vehicle can experience a number of issues ...
Timing Belts: 3 Signs of Failure
It’s often called the neglected belt yet can cause serious damage when overlooked ...
Increase Performance on Your Industrial Belt Drive
If you have a belt drive system that is under-performing or you’re looking for improved drive life, below are Dayco’s top tips on enhancing performance ...
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 ...
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 ...
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 ...
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 ...
How to Install a Harmonic Balancer
Harmonic balancers are used to help lessen the vibration of the engine. Maintenance and replacement are important. Belowe are the key steps ...
The Top 8 Reasons Why Radiator Hoses Leak
Coolant hoses have a tough job – they move chemicals under pressure and massive amounts of heat so they can be more prone to failure ...
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 ...
Proper Car Cooling System Maintenance
It is extremely important to flush and refill the cooling system with the OE recommended coolant, whether you are just performing cooling system ...
Three Reasons for Harmonic Balancer Replacement
A harmonic balancer is not just there to spin the rest of the pulleys on the engine. It’s designed to help smooth ...
High Performance Balancers vs. Stock Balancers
Many enthusiasts modify their vehicle’s engine for better performance and more horsepower ...
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 ...
Diagnosing HD Belt Noise
Overview and knowledgement test ...
HD Belt Line Overview
Overview and knowledgement test ...
System Selling
Overview and knowledgement test ...
Belt Tensioners: Flat Spring Design Makes all the Difference
The front-end drive system’s tensioner is designed to protect other components within the system and to help prevent premature failure of ...
Choosing the Right HD Water Pump
Learn about inspection and installation intervals for heavy-duty water pumps from Dayco’s tech team. They share the top do’s and don’ts and explain what happens when the wrong ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Pulleys and 8 Signs of Failure
Learn about the basic types of pulleys for today’s front end drive system and the eight key signs it’s time to change one. Watch as a Dayco product ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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, ...
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 ...
My cooling system is overheating. Is that a sign my water pump is bad?
It could be. The water pump is responsible for the cooling system and pulling heat away from the engine. If the pulley is loose or if you notice ...
Why should the water pump be replaced at the same time as the timing belt?
It’s best practice to change both components at the same time because they usually wear out at the same pace and if one fails or is failing, the ...
How much more boost can I gain with an overdrive or underdrive balancer?
The Dayco Underdrive and overdrive balancers are a great way to increase the performance of your factory supercharged car. These balancers feature pulleys that are either larger or ...
How do I know if my balancer is bad?
You’ll want to replace the balancer if you notice excessive vibration, crankshaft oil leaks, or deteriorated rubber ...
Why does my high-performance balancer have two keyways?
The additional keyway is they if you plan to use a high-volume supercharger. A second keyway needs to be machined in the crank snout. If you do not ...
My engine is modified but it still has the factory balancer. I want to upgrade, what performance bal...
The PowerBond™ by Dayco SS series uses the factory balance weights; The race balancer is for engines with zero balance. If you need help choosing the correct balancer for your engine build, please contact ...
I heard that I may need to pin my balancer, what does that mean?
On some late model GM engines, the balancer is a press fit instead of using a keyway to hold it in place. This works fine until a supercharger ...
What are the differences between a stock harmonic balancer and a racing balancer?
The regular harmonic balancers are not meant for race cars but they offer engine builders and technicians a high-quality replacement to standard OEM balancers for everyday vehicles. Racing balancers are made ...
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 ...
What are signs the belt tensioner needs to be replaced?
A belt tensioner should be replaced if any of the following issues are noted: You hear noise or feel resistance as that could be a sign of potential ...
How do I know if a pulley is bad?
There are several signs a pulley is no longer functioning properly. First, check for free rock. There should be no movement or play from side to side. Next, ...
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 ...
Front End Accessory Drive System Maintenance for Heavy-Duty Trucks
Just like many other components on today’s class 4-8 trucks, it’s important that mechanics look at the belt, pulley and tensioner as a whole system ...
Signs of a Bad Belt Tensioner
Often times during a drive belt change, the tensioner may get overlooked. This can be problematic given the tensioner has a big job to do and ...
Problematic Automotive Belt Drive Systems
Automotive belt drive systems have become significantly more complicated over the past 25+ years ...
Serpentine Belt Inspection
Most modern vehicles use serpentine belts that are now made with EPDM compounds. But EPDM belts wear differently than the earlier ...
How to Tell when an Idler or Tensioner Pulley Needs to be Replaced
Did you know that one of the most common causes of serpentine belt failure is a pulley with worn bearings? That’s because a pulley’s job is ...
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 ...
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 ...
Choosing the Right Engine Water Pump
How do you know you are getting the best quality when it comes to choosing a water pump? Here’s a few tips: Pick a pump that is ...
Automotive Water Pump Repair
The purpose of a car’s water pump is to push coolant through the car's engine block, radiator and hoses to help pull heat away from the system ...
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 ...
I have used the laser tool a couple of times and still get a noise. What should I do?
The force of the belt being installed can often push a pulley out of alignment. When the system is relaxed, it might not be apparent. Start by checking ...
How often should vehicle hoses be replaced?
Most hoses require replacement – regardless of where they are at on a vehicle – once every four years. However, we recommend following the OE specifications on replacement ...
How can I tell if a hose is bad?
It’s often difficult to look at a hose and know whether it’s faulty. Some physical signs a hose is bad is when it’s collapsed, broken, if it’s brittle ...
