Can you tighten a loose tensioner pulley?

Turn the adjustment bolt on the side, top or bottom of the pulley counterclockwise with the ratchet and socket until the accessory belt is loose enough to remove. Tighten the tensioner pulley by turning the adjustment bolt clockwise with the ratchet and socket until the belt is tight.

What happens if tensioner pulley is loose?

If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started. It is also possible for the tensioner pulley or bearing to wear out, in which case the vehicle will produce a grinding noise from the pulley.

How do you adjust a belt 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. Push the pulley toward the other pulleys or accessories, loosening the belt.

How do you align a tensioner pulley?

The accessory belt needs to be loosened before the adjustment bolt can be turned on the side, top or bottom of the pulley. Turn the adjustment bolt clockwise to tighten the pulley.

Which way do you loosen a tensioner?

Turn the bolt head in the center of the spring-loaded arm of the belt tensioner counterclockwise with a ratchet and socket to loosen the bolt. 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.

Should belt tensioner wobble at idle?

Causes of Belt Tensioner Wobbling If your belt tensioner is chirping or makes other noises, it is often an indication that the part is old and needs to be replaced. If the belt tensioner is moving more than it should, there is a good chance it will require replacement.

Why is my belt tensioner shaking?

Causes of Belt Tensioner Wobbling In general, belt tensioners tend to get noisy when they fail. If your belt tensioner is chirping or makes other noises, it is often an indication that the part is old and needs to be replaced. You can even remove the belt, spin each pulley, and listen for rumbling or other noises.

Should tensioner be replaced with serpentine belt?

Tensioners add pressure from an adjustable pivot point or spring mechanism to keep your serpentine belt taut as it circulates around the engine. There is no recommended timeframe in which to replace your tensioner, especially as the belt itself usually needs replacing before the tensioner does.

How do you remove the tensioner pulley from the timing belt?

Insert a 6-mm Allen wrench in the opening provided on the top plate of the tensioner pulley. Turn the top plate counterclockwise using the Allen wrench. This will rotate the tensioner pulley against the timing belt.

What is the purpose of the pulley and tensioner arm?

The pulley allows the belts to move as necessary in the system and the tensioner arm is a counterbalance to the spring allowing the timing belts to move and adjust as necessary. Without the tensioner arm you wouldn’t be able to pull the bell tree to replace it with a new one.

How do you Torque a tensioner pulley on a lawn mower?

When the setting notch aligns with the slot in the raised tab located over the tensioner pulley, stop turning the top plate but hold it in position with the Allen wrench. Torque the lock bolt in the center of the tensioner pulley to 220 inch-pounds (25 Nm) using a torque wrench.

What happens if timing belt tension is too tight?

Proper tensioning cannot be stressed enough: too loose of tensioning will cause the timing belt to ratchet (tooth jumping), while too tight of tensioning will possibly cause damage to the bearings, shafts and other drive components besides dramatically reducing timing belt life.