Are Tensioner Pulley Reverse Thread? - Fixanswer

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.

Are idler pulleys reverse thread?

If it's just an idler pulley it's standard . If it's a tensioner pulley it may be reverse thread depending on the way you need to move the pulley to unload it.

How do you remove a tensioner pulley bolt?

Put a socket on the bolt and turn the bolt counterclockwise to break it loose . If it will not break loose because the tensioner wants to move, keep the tensioner from moving by holding it in place with a pry bar; then you will be able to loosen the bolt in the pulley.

Can you over tighten a tensioner pulley?

If you can turn it more than a 1/2 turn, you do not have enough tension on the belt . Over-tightened belts can cause internal damage to the bearings inside the pulleys. ... It can also cause overheating of the belts and premature wear.

Can you replace just the pulley on a tensioner pulley?

The tensioner pulley is on the end of a spring-loaded tensioner. ... More often than not, just the pulley goes bad on the tensioner, not the whole tensioner, and for most vehicles, you can purchase and replace the pulley instead of the tensioner itself .

How much does it cost to fix a tensioner pulley?

It will cost between $125 and $380 to have your pulley replaced. The labor should cost between $45 and $155 and the parts should cost between $85 and $225.

What sound does a bad tensioner pulley make?

Squealing . When the engine is idling, a bad pulley may make a squealing sound. This is due to the bearings in the pulley going bad. The bearings may also make various other sounds such as clattering or even a rumbling sound, making the vehicle sound as if there was much more wrong than a bad pulley.

Can you drive with a bad tensioner pulley?

Driving with a bad belt tensioner is unsafe since the tensioner is meant to guarantee ample tension that powers accessories. Wear on the belt tensioner will eventually cause the belt to slip, generate loud noise, and also create an unsafe level of heat along the accessory pulleys.

How do I know if my tensioner pulley is bad?

Rust bleed and cracks. Appearance: Rust is bleeding between arm and base or dripping from the tensioner. ...
Pulley bearing wear. ...
Pulley wear. ...
Tensioner assembly misalignment. ...
Tensioner noise. ...
Tensioner arm misalignment. ...
Excessive tensioner arm oscillation. ...
Binding or grinding tensioner arm movement.

Can belt tensioner cause misfire?

If the tensioner is worn, the belt will slip and then catch suddenly. Tensioners are more than just a spring. ... The belt will slip and catch, causing noise and vibration. This can cause a change in crankshaft speed that is severe enough to cause the engine management system to think that a misfire just occurred.

Should I replace the tensioner or just the pulley?

Misalignment and bearing wear can cause the belt to track off-center. This will cause the belt to wear quickly. ... If the automatic belt tensioner has failed (and the engine has a lot of miles on it), it's probably a good idea to replace the idler pulley (s) at the same time.

How long does a tensioner pulley last?

Most modern cars that roll off the dealer's lot as a new vehicle will have a 60,000 to 100,000-mile life expectancy for the serpentine belt, tensioners, and idler pulleys.

How long does it take to change a tensioner pulley?

What Is Tensioner Pulley Replacement? Replacing the pulley should only take an hour or two , and the parts will vary in cost from one type of car to the next.

What does a bad tensioner sound like?

When the tensioner or tensioner pulley fails, the loss of tension can cause the belt and pulleys to make high-pitched rattling or chirping noises . If the pulley bearing completely fails, it can also cause a squealing or even a grinding noise. Symptom 2: Knocking or slapping. ... This can cause a slapping or knocking noise.

How much does it cost to fix a serpentine belt tensioner?

How much does it cost to replace a serpentine belt and tensioner? The average cost for a drive belt tensioner replacement is between $211 and $239 . Labor costs are between $73 and $93, while parts are priced between $138 and $146.