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drive belts (ex. serpentine, v-belt)

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Top 10 Bad Car Symptoms You Should Never Ignore
Ignoring car problems costs more than fixing them right away. Never ignore if your car has rough shifting, a shaky steering wheel, or is smoking.
Symptoms of a Bad or Failing Drive Belt Tensioner
Common signs include grinding or squeaking noises coming from the belt, unusual belt wear, and belt-driven accessories like the alternator failing.
How Long Does a Drive Belt Tensioner Last?
In order to keep the proper tension on your vehicle's serpentine belt, a drive belt tensioner is used. This is a pulley that is either mounted to an adjustable pivot point...
How Belt Tensioners Work
The drive belt tensioner in your car is a small component that works in conjunction with the serpentine belt to ensure that everything in your engine works as it should. From time to time,...
How to Buy a Good Quality Drive Belt Tensioner
The drive belt – also known as a serpentine belt – keeps important components of your car’s accessory system running smoothly. The power steering, air conditioning, and sometimes even the water pump,...
Symptoms of a Bad or Failing Serpentine/Drive Belt
Common signs include a squealing noise from the front of the vehicle, power steering and AC not working, engine overheating, and cracks on the belt.
How Do Drive and Serpentine Belts Work?
The drive belt on your vehicle delivers power to the car’s engine, alternator, water pump, power steering pump, and air conditioner compressor. Usually, a car has one or two drive belts, and if there...
How Long Does a Serpentine/Drive Belt Last?
In order to operate, your car needs more than just a working engine and transmission. The “accessories” attached to the engine aren’t really optional. For instance, you need the alternator to...
How to Tighten a Drive Belt
If you have just replaced your drive belt and you are noticing high-pitched squeaking or squealing under the hood, or if you’ve noticed that your drive belt doesn’t seem to...
How to Replace Your Serpentine Belt
If your engine squeals in the morning when you first start it up, take a look at your serpentine belt under the hood. Any cracks, glazed areas, or...
How Long Does a Water Pump Pulley Last?
The pulleys and drive belts on a car help to ensure that everything is getting the power it needs. Without these components working properly, a car will usually not be able...
How to Adjust Drive Belts
Drive belts power electrical systems and other features in your car. An improperly adjusted drive belt can cause damage to your engine.
How to Check a Faulty Timing Belt Tensioner
The timing belt is a critical part of the automotive engine; if it breaks, it can cause some serious damage. The belt can break due to a number of...
Why Serpentine Belt Replacements on Cars With Limited Clearance Can Be Tricky
Changing a serpentine belt is a service that can involve performing some difficult maneuvers on the engine, especially on cars with limited clearance.
How to Check Belts in Your Car
Engine drive belts are a crucial part of how your car functions. Knowing how to identify any issues with them can help prevent a breakdown.
How to Quiet a Noisy Drive Belt
The drive belt operates different accessories mounted on the engine. The best way to minimize it's noise is to adjust the drive belt to specification.
How to Replace a Serpentine Belt
Replacing the serpentine belt can be challenging, as it involves removing the tensioner and determining the correct route to install the new belt.
Understanding All the Drive Belts in Your Car
Your car’s engine has a number of mechanical parts attached to it that perform essential functions like delivering power (the alternator), cooling your engine (the water pump), helping you to drive more easily...

Related questions

Question
Car pick up has been reduced and feels really tough acceleration
Hello, thank you for writing in. The first thing you should consider is why you had to change the belt in the first place. If it broke, slipped off, frayed, or cracked there may be an issue with one of...
Question
Please help!! What is wrong with my Sebring Convertible JXI?!?
Hello, thank you for writing in. Issues like this can be stressful, but by getting a good idea of what is going on, you may save yourself from excess diagnostic costs. The first thing to check is the tension on...
Question
New tension belt was put on and the car will not start. The car computer is saying the timing belt is off.
Hi there. The serpentine or drive belts have nothing to do with the timing belt on the car. It depends on the tensioner that was installed, either the drive belt tensioner or the timing belt tensioner. I recommend seeking out...
Question
Serpentine Belt replacement
It depends. In scenario no. 1, let's assume the compressor itself is seized and will not turn. In that scenario, so long as the bearing that allows the compressor CLUTCH to rotate freely is good AND you NEVER attempt to...
Question
Belt keeps slipping off
The possible causes of this include that the pulleys are not all in the same plane, the pulley on the harmonic balancer has shifted due to a break in the rubber bond, the belt tension is inadequate and/or the bearings...
Question
Serpentine belt
You will not find a listing of the belt size for this vehicle without power steering or without the air pump. If you need a belt to fit it may take a few trips to the parts store to get...
Question
Belt shredding
Hello, thank you for writing in. It is difficult to tell if you are going to have issues or not. The best option is to consider the past events and how long previous belts have lasted. If you are not...
Question
What is the cost to replace the tensioner pulley, idler pulley, and the drive belt?
Billing question sent to CS for the cost to replace the tensioner, pulleys, and the drive belts.
Question
V belt broken and takes power steering
If the belt that is missing drives only the power steering pump, then driving the car without the belt will not damage anything. However, if the belt that is missing also drives other critical components, such as the water pump...
Question
Van is making two types of sounds.
Hi there. Check the drive belts are they are squealing when the vehicle is started. The belt could be worn and stretched or the tensioner could be worn or damaged. For the racecar sound, there is a hole in the...
Question
I need to replace my serpentine belt, it with the power steering pump deleted. What size belt would I need? 2007 Mercury Milan
Hi there - this may or may not be possible. Bypassing the power steering pump may route the serpentine belt in conflict with other rotating components on the engine. Using a "soft measuring tape" (like a tailor uses), measure the...
Question
I had a new serpentine belt and pulleys put on my car but the belt tends to keep popping off,
The serpentine belt need constant tension on the belt to keep it from coming off. If the belt alignment is not aligned then the belt may come off. The tensioner may be out of alignment and not putting enough tension...
Question
Belt has a type of sqeak noise past or on 4,000 rpm and a strong gas smell coming in the cabin through the vents.
Hi there. Check the engine for any fuel and oil leaks. There could be a split fuel line or the o-rings on the injectors could be split causing the fuel to slightly puddle up under the injector surface mounting area....
Question
The car through a serpentine belt
If the coolant leak still exists, the recommended service would be a leak diagnostic(https://www.yourmechanic.com/services/coolant-is-leaking-inspection). It is possible that a seized water pump bearing can throw the belt but all other causes, including bearing roughness in additional pulleys, have to be...
Question
Serpentine belt is rubbing on the engine cover at the belt tensioner pulley 2004 Hyundai Tiburon
Hi there - I would start by doing a visual inspection of the serpentine belt, and the pulleys - are they visually in line? If not, which pulley is out of line in the direction of the engine cover? Are...
Question
Power steering problem 2003 Chevrolet Impala
Hello - I believe the serpentine belt and it's tensioner are weak, slipping and causing both the alternator and power steering behavior you are experiencing. Both functions are driven by this belt, which will tend to slip worse when rain/water...
Question
There is a unkwon sound when ac is on.when ac off sound is small.is it problem of crank pulley
Hello, thank you for writing in. The vehicle is likely having an issue with the A/C compressor pulley. It explains the noise being relevant to engine speed and load. With that being said, the pulley and the compressor may both...
Question
Serpentine belt keeps breaking length wise checked pulleys have replaced waterpump and alternator other pulleys seem good 1992 Buick
Hello - a failure of the serpentine belt usually means mis-alignment of the pulleys, or a shock load to the belt. Replacing the waterpump and alternator may have resolved any shock load issue, but a recurring problem like this should...
Question
serpentine belt keeps breaking
The belt is either too tight or too loose, pulleys (including that on the harmonic balancer), the tensioner, and accessories are out of plane, and/or the belt driven accessories are binding, that is they are not turning freely because the...
Question
Why does my tensioner for my serpentine belt only move about 3" on my 2003 Santa Fe
The tensioner on your vehicle should move more than this. You need to start by checking the drive belt routing. If the belt is not routed right then it will appear that the tensioner is not moving enough. If the...

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