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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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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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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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1MyCoolingsystemisoverheating

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 ...
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2Whyshouldwaterpumpbereplacedwithtimingbelt

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 ...
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3HowMuchmoreBoostCanIgainwithOverorUnderBalancer

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 ...
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4HowdoIknowifmyBalancerisBad

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 ...
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5WhydoesmyHPbalancerhavetwokeyways

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 ...
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6Myengineismodifiedbutitstillhasfactorybalancer

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 ...
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7IheardImayneedaPinInmyBalancer

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 ...
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8Whatsthedifferencebetweeracingandstockbalancer

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 ...
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10Whataresignsthetensionerneedstobereplaced

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 ...
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11 8SignsaPulleyneestobereplaced

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, ...
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1Howoftenshouldhosesbechanged

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 ...
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2Howtotellifhoseisbad

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 ...
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