If your vehicle uses the alternator bracket to apply tension to the belt, loosen the two bolts that pass through the long eyelets on the bracket. As you loosen the bolts, the tension on the belt will likely move the alternator toward the engine and relieve the pressure. Pull the belt off of the pulleys. 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.
Part 3. Compare the new belt to the old one. 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. 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. Run the new belt through the pulleys in exactly the same way the old one was. Refer to the belt diagram in your vehicle's owner's manual or the picture you took of the belt before removing it to guide you.
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. 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. Tighten the bolts again as you apply tension. Be careful not to pry against anything plastic in your engine bay to avoid breaking anything.
Duston Maynes Automotive Repair Specialist. Duston Maynes. Although serpentine belts last quite a bit, it's important to check on them every once in a while. To see if there's any problem, check if the outer side of the belt is looking glassy and if the inside of the belt is cracking. These are both good indicators that the serpentine belt needs to be replaced. Not Helpful 1 Helpful 4. The belt can get caught in the crank, obstructing the system and damaging the motor.
Not Helpful 0 Helpful 3. It's impossible to say without knowing the year, make, or model of your vehicle. You should be able to do a search online to find some tips on replacing parts for your specific vehicle. This article refers to model years from Though Ford Explorer models generally have this type of auto-adjusting belt system, check your model year for specific information. We found 3 items that matched 'Ford Explorer' Search. Filter by Part Type. An Ford Explorer Sport Trac serpentine belt replacement too small will bind the pulleys while an 03 Ford Explorer Sport Trac serpentine belt replacement too large will just fall off.
Note the routing of the belt for future reference so you can fit the new belt on correctly. If you don't find a belt routing diagram under the hood or in your owner's documentation, make a sketch for your reference. Find the tensioner pulley which is generally located near the crankshaft and then find the bolt on the side of the pulley. Hold the tensioner in position with the wrench and slip off the old belt and install the new one according to your belt routing diagram.
Remove the belt tensioner tool when done and start the engine. If the belt routing sticker is missing, you can find a diagram in a service manual, online or by asking the counter person at your local Ford dealer.
Allen Moore's career includes awards in poetry and creative fiction, published lyrics, fiction books and nonfiction articles as well as a master certification in automotive service from the Ford Motor Company. Moore is a contributing writer for RF Items you will need Serpentine belt tensioner tool Replacement belt.
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