How do you tighten a serpentine belt on a car?

How do you tighten a serpentine belt on a car?

If your vehicle does not have an auto tensioner, insert a pry bar or piece of wood between the alternator and the engine. Run the belt over the alternator pulley, then use the bar to pry the alternator away from the engine and increase the tension on the belt. Tighten the bolts again as you apply tension.

What kind of pulley does a serpentine belt use?

Determine if there is a belt tensioner pulley. Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times.

Where is the serpentine belt on a V6 engine?

Depending on the make and model of the vehicle, this belt (often called the serpentine belt) is often located on the front or side of the engine. Many American made vehicles with V6 engines or larger have the serpentine or accessory belts on the front.

How is the tension of the serpentine belt adjusted?

In traditional car designs, the tension of the serpentine belt is usually governed by a generator placed near the engine. To adjust the tension in the belt, the generator needs to be moved towards or away from the engine, and the belt is adjusted by tightening or losing the pivot screws on the generator.

How do you replace a serpentine belt pulley?

Many have a ½” square cast into the tensioner arm, in which you insert a ½” breaker bar, or Belt Tensioner Tool to relieve the tension. Many others, you use a socket on the pulley itself to do this. Use a ratchet or breaker bar that fits into the bolt and release the tensioner.

How is the tension set on a serpentine belt?

Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times. If your vehicle does not have a tensioner pulley, the alternator bracket is likely how tension is set on the belt.

Where is the serpentine belt located on a car?

The serpentine belt is located on the front of the engine because the crankshaft pulley powers it. Remember that the front of your engine does not always equal the front of the car. Your car can also be installed sideways, and this means that your car is located near the right fender of your car in most cases. Serpentine Belt Replacement Cost

How to change the serpentine belt on your Hyundai Sonata YF?

How To Change The Serpentine Belt On Your Hyundai Sonata YF – You Need This Tool! – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

Where is the tension screw on a serpentine belt?

Step 1 Open the hood and locate the adjustment screw that controls tension on the serpentine belt. This screw is typically a wing-nut located near the alternator and is in plain view. Place the socket end of the socket wrench over the wing-nut and turn clockwise to apply tension.

What happens if a serpentine belt goes bad?

The serpentine belt in most modern vehicles transfers power from the crank pulley to the various accessories mounted on the engine. A worn or damaged serpentine belt can fail to adequately transfer the power, leaving your alternator, power steering, and air conditioning failing to function.

What to do if your belt tension is too tight?

Do a secondary check of the belt tension. To do this, turn on the vehicle and examine the belt in motion. Listen specifically for whining coming from the alternator. If you notice any whine or “pulsing” sound from the alternator, your belt tension is too tight and will damage the alternator.

What happens when you tighten a serpentine belt?

Listen specifically for whining coming from the alternator. If you notice any whine or “pulsing” sound from the alternator, your belt tension is too tight and will damage the alternator. In this case, turn the adjustment screw counterclockwise to loosen the belt and recheck the tension. Do a final check.

How do you check a serpentine car belt?

Check the tension of the belt periodically. To do this, grab any area of the belt that is between two pulleys with your fingers. There should be approximately 1/4 inch play in the belt for most vehicles. Do a secondary check of the belt tension. To do this, turn on the vehicle and examine the belt in motion.

Do a secondary check of the belt tension. To do this, turn on the vehicle and examine the belt in motion. Listen specifically for whining coming from the alternator. If you notice any whine or “pulsing” sound from the alternator, your belt tension is too tight and will damage the alternator.

When to replace the serpentine belt on a Mustang?

When your Mustang’s serpentine belt starts to squeak and squeal, it may be time to swap out your serpentine belt. Late Model Restoration makes this installation quick and easy with this Mustang drive belt installation article. Pop the hood and locate the belt tensioner.

When to replace serpentine belt on Mustang 5.0?

Viewing this install and using the information shared is subject to the terms set forth here – View the LMR Install Instructions Disclaimer . Share this article! Before purchasing a replacement serpentine belt for your Fox Body 5.0, make sure you check out this 1979-1993 Mustang serpentine belt routing and length guide.

How do you tighten the belt on a serpentine car?

To correct the problem, tighten your belt. Open the hood and locate the adjustment screw that controls tension on the serpentine belt. This screw is typically a wing-nut located near the alternator and is in plain view. Place the socket end of the socket wrench over the wing-nut and turn clockwise to apply tension.

Why does my serpentine belt make a squealing noise?

It can be tough to diagnose if belt squealing on a serpentine belt is from poor belt tension or a bad pulley or worn water pump. This is a simple method to isolate the problem so you don’t waste money on unnecessary parts. Loading…

Where do I find the serpentine belt routing diagram?

Find the serpentine belt routing diagram. Many cars come with a sticker in the engine bay that shows exactly how the serpentine belt is supposed to be routed through the various pulleys on the engine. If your vehicle does not have a sticker, you will need to find another way to remember how the belt should be run.

Are there different serpentine belt options for sprinters?

WE NOW HAVE FOUR DIFFERENT SERPENTINE BELT KIT OPTIONS FOR 2004-2006 SPRINTERS. LOOK OVER ALL FOUR PRIOR TO MAKING YOUR DECISION. ALL FOUR KITS WILL FUNCTION FINE IN ANY 2004-2006 MODEL. Complete Kit…..Version 1, which has two of the larger grooved idler pulleys..

Where do I find the serpentine belt on my car?

To access the serpentine belt, you will need to open the hood of the vehicle. The hood release can usually be found near the door on the driver’s side of the vehicle. With the hood released, you will also need to release the safety latch located at the front of the vehicle.

How long does it take to replace a serpentine belt?

You are only required to loosen the bolt that goes behind the PS pump. This will move the tensioner pulley. You will then slide the default belt off and replace with the right one. This process should not take you more than 30 minutes. 1. What are some of the problem of a bad serpentine belt? The alternator will not work.

How can I increase the tension on my serpentine belt?

Increase the tension on the belt. If your vehicle does not have an auto tensioner, insert a pry bar or piece of wood between the alternator and the engine. Run the belt over the alternator pulley, then use the bar to pry the alternator away from the engine and increase the tension on the belt.

Cars with a single serpentine belt that uses an automatic belt tensioner cannot have the drive belt tightened manually. Step 1: Don your protective gear and locate the drive belt Put on your safety glasses and gloves. Locate the drive belt – the vehicle may have more than one.

How do you tighten an alternator drive belt?

Step 3: Add tension to the drive belt. Insert the pry bar above the alternator pulley. Apply gentle pressure upwards so that it adds tension to the drive belt. Once the drive belt is moved into its desired tension, tighten the adjustment bolt to lock the belt in place. Then, torque the adjustment bolt to the manufacturer’s specifications.

Where is the tensioner on the drive belt?

Step 1: Locate the drive belt tensioner. The drive belt assembly will have a specific component that tightens that belt. The tensioner may be found on the alternator or a pulley; it varies by vehicle and which belt is being tightened. This article will use an alternator belt tensioner as an example.

How can you tell when a drive belt needs tightening?

Tip: An alternate method of seeing whether the drive belt needs tightening is to rotate the belt. It should not be able to turn more than 90 degrees; if it can turn more, you know the belt should be tightened. Step 1: Locate the drive belt tensioner. The drive belt assembly will have a specific component that tightens that belt.

How do you remove a pulley belt from a car?

With the tension relieved from the belt, pull it off of the pulley that has been placing tension on it, then remove it from the around the rest of the pulleys on the engine. If the belt is severely damaged, be sure to remove any parts that may have come off of it as well. Compare the new belt to the old one.

Where do you put the alternator belt on a four cylinder car?

Many four cylinder vehicles have transverse mounted engines, meaning the engine is mounted at a ninety degree angle from the chassis, placing the belts on the side of the engine bay instead of the front. Look for cracks in the belt. A significant sign that your alternator or serpentine belt needs replacing is visible cracking along the belt.

To adjust the tension in the belt, the generator needs to be moved towards or away from the engine, and the belt is adjusted by tightening or losing the pivot screws on the generator. For tightening the belt, move the generator away from the engine by a hammer handle or similar tool.

How do you tighten the belt on a generator?

For tightening the belt, move the generator away from the engine by a hammer handle or similar tool. Loosen the screws on the pivot section and pull the belt in. Check the tension and if it is right, bolt the screws back to pivot. To loosen the belt, move the generator towards the engine by the hammer handle.

How do you check the tightness of a belt?

Check the tension by twisting the belt and measure the twist margin. If the tightness of the belt is right, tighten the screw in place to assert the firmness. Put the cover of the pulley back in place.

How often should a serpentine belt be replaced?

Most serpentine belts need to be replaced every 40,000 to 70,000 miles. If there are signs of the belt rubbing on something, make sure to identify and repair whatever it was rubbing on to avoid damaging the new belt.

Determine if there is a belt tensioner pulley. Depending on the application, your serpentine belt will either have tension placed on it using a movable bracket or an auto tensioner pulley. This pulley uses an internal spring to apply consistent pressure to the belt at all times.

How do you remove a serpentine belt from a battery?

Use the appropriate sized wrench or socket to loosen the nut holding the black ground cable on the negative terminal of the battery. Slide the cable off of the terminal and tuck it to the side of the battery. You will not need to disconnect the positive terminal. Locate the serpentine belt.

Most serpentine belts need to be replaced every 40,000 to 70,000 miles. If there are signs of the belt rubbing on something, make sure to identify and repair whatever it was rubbing on to avoid damaging the new belt.

Can a serpentine belt be replaced with a pulley?

There just isn’t room for that many belts and pulleys anymore—not to mention, this belt configuration means that it’s a service nightmare to replace just the inner belt by itself. You’d have to remove the other three first—not a fun job. There are several advantages to the new style of serpentine belts.

When to replace serpentine belt tensioner — Ricks free?

A good belt tensioner will dampen the power pulses so much that the tensioner pulley arm barely moves. As the dampener wears the pulses cause the belt to flutter and that can be seen on the pulley arm. A belt tensioner pulley arm should not move more than 1/32”.


If your vehicle does not have an auto tensioner, insert a pry bar or piece of wood between the alternator and the engine. Run the belt over the alternator pulley, then use the bar to pry the alternator away from the engine and increase the tension on the belt. Tighten the bolts again as you apply tension.

Where is the hex bolt on a serpentine belt?

Note which route the belt takes. If the diagram of the serpentine belt is not on a sticker under the hood, make a simple sketch. Then take your 17mm socket and attach it to a hex bolt that’s located on the tensioner pulley.

When is the best time to replace a serpentine belt?

This is a good time to look for oil leaks, too. Oil can increase wear on serpentine belts. Most importantly, take the tensioner pulley and any idler pulleys (these are pulleys that do not drive anything, like Power Steering) and give them a spin.