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Tensioner

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Question
I have broken 3 sepentine belts in the last week, i replaced the tensioner pulley as well. What else could be causing my issue?
The pulley has a ball bearing within. The failure mode, or causes of failure, is limited to three possibilities: 1) defective, or worn out, ball bearings; 2) lubrication failure; 3) overloading. To eliminate possibility Nos. 1 and 2 you could...
Question
It seems my timing tensioner needs replacement. It wanted to confirm
The noise can be isolated to the serpentine belt circuit (versus other sources) by just disconnecting the drive belt and BRIEFLY running the engine. If the noise disappears, then the issue is obviously a rotating element in the circuit and/or...
Question
Nissan Sentra 2007 problems with the tension pulley
Hello, thank you for writing in. There are a few things you need to look into. One, have you been buying the same brand of tensioner, and have they been warrantied? You may want to make sure you are getting...
Question
Tensioner Pulley Removal 2003 Dodge Neon
Hi - yes, it should be possible to only remove the serpentine belt idler pulley. After carefully releasing the tensioner, and removing the serpentine belt, there is a plastic cap at the center of the pulley. Pop this cap off,...
Question
Idler pulley broke off metal it was attached to after results from a crooked pulley and multiple serpentine belt slips.
You're right in that the stress will be too great and it will come apart again. This is not something you can fix with glue. You will need to take off all of the broken parts and replace them with...
Question
Will the idler pulley keep my car from cranking . 1999 Mercury Mystique
Hi - a failing idler pulley can certainly keep your alternator from charging properly, resulting in a dead battery, which would prevent the engine from starting of course. The idler pulley bearing may have been failing, or possibly a bearing...
Question
cannot figure out how to use the tensioner pulley for serpentine belt removal
Hello, and thank you for writing in. We currently do not have videos available to share with you, however we can do our best to walk you through the process and how the pulley works. What you see when you...
Question
belt broke serpentine
If your car has a substantial amount of mileage, it's not unusual for a serpentine belt to break and to need a new tensioner (the bearing on the tensioner wears out). If the harmonic balancer/crankshaft pulley is out of position...
Question
How do i know what tensioner system my car has
Unless you want to open the timing cover to check, you can give any Dodge dealer your VIN number and they can tell you which tensioner was used. With the VIN number, the dealer can tell you if your car...
Question
having trouble getting the tension belt back on using the proper tool. Is there a secret or a clue on getting it back on?
Hello. I would definitely first make sure that the belt is routed correctly. If it is then typically the belt should be installed and the last pulley it should be put around would be one of the ones without a...
Question
On the 4.7 which tensioner plate goes with which tensioner?
The best thing to do is look at the brackets that are to be mounted behind each tensioner and match up the bolt holes that mount the brackets in place. Then install the chains and install the tensioners. Then you...
Question
Replaced alternator and all was well. One day went to start the car and it made weird noise then shuttered and died. The belt doesn't seem lose.
Check the drive belt and see if it has a glaze to it. If so, then the drive belt is stretched and needs replaced. A drive belt has a life span of about 25K miles. Having 40K miles on the...
Question
How much money should it cost to replace a drive belt
You may have problems with the tensioner for the belt and not just the belt. Also the power steering should not stop when turning on the a/c. You should first have a mechanic inspect the belt and tensioner along with...
Question
Belt squeaks on start-up when cold or damp outside but squeak only last for few minutes
You should have the belt and tensioner checked to see if the belt is worn or stretched beyond its limit causing the tensioner to not keep it tight and allowing it to slip when damp or wet. Remove the belt...
Question
I'm a bit confused. You show 1 timing chain, my 2006 CTS has a total of three. Perhaps you're suggesting that the main chain is damaged.
When it comes to replacing the timing chain in your vehicle, it is best to replace all of the timing chains. For your engine, the camshaft timing chains are more likely to stretch more than the main drive timing chain....
Question
How to tighten a serpentine belt ?
Hello, thank you for writing in. You cannot tighten a serpentine belt. There are two considerations to make. One, is that the belt stretches out over time, and will end up being too long to function correctly. In this case,...
Question
2000 vw cabrio. How do I put tension on the power steering pump belt? Thanks
Your vehicle may be equipped with an automatic tensioner. If so, it will be assembly that is spring loaded and pivots to maintain a constant specified pressure on the belt. If it is so equipped, there might be a problem...
Question
Rattling noise inside engine when AC/Heater/Air on
You may have a serpentine belt or tensioner issue and may need to have them replaced but first should have a mechanic like one from YourMechanic diagnose the problem to verify the noise.
Question
Put a new serpentine belt on a month ago and it started squealing again
You should check to see if the tensioner is holding the belt tight enough. You may have a bad tensioner.
Question
What is the correct procedure for tightening the belt tensioner on a 2001 Chevy Monte Carlo? We put the new belt on.
The belt tensioner on your vehicle should have an automatic tensioner, however, some models have the manual tensioner. Tighten the tensioner to where the belt is tight but loose in the middle length area as about the width of the...

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