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.

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.

Why is my new belt longer than my old belt?

The old belt may be slightly longer than the new one due to stretching. If the new belt is not the same width as the old one, it is the wrong belt. Make sure the new belt doesn’t show any signs of damage from the factory or it may tear after you install it. Route the belt through the pulleys.

What causes a belt tensioner pulley to squeak?

Tensioner pulley wear will cause your pulley to squeak. A worn out pulley bearing or a worn spring in the tension pulley can also cause squeaking or a chirp. I show you how to use water to identify what type of squeak problem you have and then how to find the problem.

How do you remove a serpentine belt from a Chevy Silverado?

In order to remove the belt from the pulleys, you will need to release this tension, which will slacken the belt and allow you to remove it from the rest of the pulleys. There should be a 3/8-inch drive square hole in the middle of the tensioner.

How do you install an accessory drive belt?

To install accessory drive belt, begin by wrapping belt around crankshaft pulley, then over and around power steering pulley, around alternator, around coolant pump and around tensioner pulley. Avoid running belt under idler pulley for now.

How to replace a BMW 5 Series drive belt?

Place the belt around the power steering pulley, then the alternator, and finally the tensioner pulley. Then tension the belt by rotating the 17mm hex (green arrow) counterclockwise to stop, then tighten 13mm locking fastener (yellow arrow).

How often should I replace my drive belt?

Replace your belt if any of the previously mentioned issues are present or every 4 years. Working at top of radiator, remove expansion rivets from intake air duct (yellow arrows). To remove the rivets, you can use a small flathead screwdriver to pry them up, then using needle nose pliers, pull the rivet out.

How do you replace a blade drive belt on a riding lawn mower?

Lift the mower hood and disconnect the spark plug wire. Lower the mower deck to its lowest position. Disengage the cutting blades. Roll the blade belt off the engine pulley and release the belt from the belt keepers. Remove the front lift link support retaining pin and washer, and then detach the support from the deck.

What causes belt to slip on idler pulley?

Over time, as the pulley spins against the belt, both components will eventually start to wear. This may lead to visible scoring marks on the surface of the pulley, as a result of contact with the belt. Eventually the pulley and belt will wear to the point of reducing tension, which may lead to the belt slipping. 2. Belt squealing

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.

Why is coolant leaking from my serpentine belt?

Coolant leaking from the weep hole means it is time for a new water pump, but it also may indicate that the water pump bearings are worn. If the water pump is leaking, check the serpentine belt for signs of fluid contamination.

How do you take a serpentine belt off a car?

(There is often an idler pulley in the system which looks rather similar to the tensioner pulley — but it is not a tensioning device, not spring loaded). After letting the engine cool thoroughly, use one of the tools mentioned below to pivot the tensioner pulley to take the tension off the belt.

How do you remove a belt from an auto tensioner?

Hold the tension from the belt, and slip the belt off the auto tensioner pulley to remove the belt and pulley system. Slowly release the tension to avoid damage or injury, and then remove the tool from the belt auto tensioner.

Do you need to remove belt cover on rear wheel drive car?

Remove any belt guard, cover or fan cowling as necessary — for instance on a belt driven fan on some rear-wheel-drive vehicles (on older cars, on trucks, etc.) to more easily access the belts, but replace it all later.

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.

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.

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.

What to do if your belt is loose after routing?

If the belt is loose after routing it, it is either the wrong size belt or you’ve routed it incorrectly. Apply pressure on the auto tensioner and put the belt over it. Use the same wrench to loosen the auto tensioner pulley, then pull the belt over it. Once the belt is in place, release the pressure on the tensioner so it holds the belt in place.

How can you tell if a new belt is the wrong belt?

Look at the new belt in comparison to the old one to be sure they are the same width and have the same number of ribs going across the belt horizontally. The old belt may be slightly longer than the new one due to stretching. If the new belt is not the same width as the old one, it is the wrong belt.

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