What happens when you unscrew a belt tensioner?
What happens when you unscrew a belt tensioner?
The tensioner will rotate freely before it comes to a stop. When the spring-loaded arm comes to a stop, continue to turn the bolt until the bolt loosens. Once the bolt loosens from the spring-loaded arm of the tensioner, release the belt tensioner until it comes to a stop. Finish unscrewing the bolt with your fingers.
Where is the hole in a belt tensioner?
Some belt tensioners have a 3/8-inch square hole in the end of the spring-loaded arm that can also be used to relieve the tension from the belt. Rotate the pulley on the belt tensioner counterclockwise to relieve the tension of the belt with the proper sized socket and ratchet. Slide the belt off of the belt tensioner pulley.
How do you adjust the tension on a serpentine belt?
Locate the adjuster bolt on the belt tensioner used to secure the serpentine belt, and adjust the tension by loosening or tightening the adjuster bolt with a racthet and socket while you simultaneously move the belt back and forth gently to find the proper tension.
How do you remove a belt tensioner bracket?
Remove the other bracket bolts that hold the belt tensioner to the engine block. Use a ratchet and socket and turn the bracket bolts counterclockwise to loosen and remove the bolts from the belt tensioner bracket.
How do you loosen a tensioner on an alternator?
To loosen an AI tensioner, such as an alternator, loosen the main mounting bolt, usually on the engine, and the locking bolt, usually on a bracket or arm. If equipped with a tensioner screw, back off the tensioner screw. Then, push the alternator toward the other pulleys, loosening the belt.
How do you loosen a tensioner on a timing belt?
You’ll need to hold some spring tensioners while slipping on a new belt. Others may have a locking mechanism, such as a hole for a locking pin or hex key. Toyota and other timing belt tensioners are loosened by simply removing them from the engine. You must slowly compress them in a bench vice and lock them with a pull-pin before reinstallation.
What’s the best way to loosen a tensioner?
If equipped with a tensioner screw, back off the tensioner screw. Then, push the alternator toward the other pulleys, loosening the belt. To loosen an NAI tensioner, loosen the locking nut or bolt, then back off the tensioner screw.
