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Tensioner

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Question
When I turn the ac on it makes a very loud squeal that stops after a few minutes. 2007 Jeep Commander
Hi there - It's possible that the tensioner/idler pulley for the serpentine belt(https://www.yourmechanic.com/services/loud-squealing-or-rattling-is-coming-from-engine-inspection) by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, give you an accurate assessment of damage and...
Question
Okay, I have a '99 Dodge Ram 2500 w/8.0 V10. The timing chain needs to be replaced. Should I replace the gears also?
Hi there. When changing out the timing chains, it is recommended to replace all the sprockets. The sprockets are worn into the old chains and can cause the new chains to prematurely fail or stretch. You can use a tensioner...
Question
Trying to find the best way to change a tensioner pulley.
Hi there. The best thing to do is get a serpentine belt tool to remove the belt. Then you can get the tensioner out of the vehicle. You may have to remove the inner fender to the vehicle to reach...
Question
Hello I have a 2004 Nissan Murano SL and I do not know how to loosen up the V-belt tensioner or also known as drive belt tensioner.
Hi there. To remove the v-belt from the engine perform the following: Loose the drive belt tension by turning adjusting bolt next to the power steering pump Remove the drive belt from the power steering pump and crankshaft Loosen...
Question
What is the cost to replace the tensioner pulley, idler pulley, and the drive belt?
Billing question sent to CS for the cost to replace the tensioner, pulleys, and the drive belts.
Question
I'm having problems with the serpentine belt, is it caused by my power steering hose?
This is quite likely not a power steering pump or a rack and pinion problem, as neither of these would cause the serpentine belt to fall off. The rack and pinion is a part of the power steering system; however,...
Question
I had a new serpentine belt and pulleys put on my car but the belt tends to keep popping off,
The serpentine belt need constant tension on the belt to keep it from coming off. If the belt alignment is not aligned then the belt may come off. The tensioner may be out of alignment and not putting enough tension...
Question
Belt has a type of sqeak noise past or on 4,000 rpm and a strong gas smell coming in the cabin through the vents.
Hi there. Check the engine for any fuel and oil leaks. There could be a split fuel line or the o-rings on the injectors could be split causing the fuel to slightly puddle up under the injector surface mounting area....
Question
serpintine belt and tensioner pulley replacement.
Hello. Thanks for writing in. Obviously you will want to clear some room to have access to the tensioner. This is easiest done by removing the radiator. Once you have the old tensioner removed, you simply reverse the process to...
Question
The serpentine belt
You will need to replace the tensioner and pulley. The tensioner can cause the misalignment and over tight belt damaging it.
Question
AC Compressor Squeal - When 2nd Alternator On or A/C On
You may have a weak or loose tensioner or a stretched serpentine belt. First check to make sure tensioner is in its operating range and not at its limit or the belt will slip when additional loads are on it....
Question
Hydraulic chain tensioner not working.
Hi there. If the tensioner was removed, then when the engine cranked over the camshaft would not move causing the piston to come in contact with the valves. Then there would be a serious problem with the engine. Most likely...
Question
I replaced my tensioner and drive belt and the tensioner still jumps when its in gear. What could be the problem?
Hello. You may need to approach this issue from two different angles. One of which is to figure out if the tensioner is mounted incorrectly. Make sure the retaining bolt or screws are dry and tight. If the pulley wiggles...
Question
Why does my tensioner for my serpentine belt only move about 3" on my 2003 Santa Fe
The tensioner on your vehicle should move more than this. You need to start by checking the drive belt routing. If the belt is not routed right then it will appear that the tensioner is not moving enough. If the...
Question
Removing belt tensioner
If you are removing the tensioner assembly then the retainer bolt is tightened clockwise and loosened counterclockwise. It may have locktite on the bolt and may be tightwhen removing. You can use a ratchet to remove the bolt.
Question
Loss of right secondary timing tension when warm 2005 Cadillac STS
Hi there - camshaft timing actuators utilize oil pressure to vary cam timing. They have oil seals that wear and cause loss of oil pressure as do other engine parts. Since these seals "leak" inside the engine, it is sometimes...
Question
Check engine light and grinding sound when start.
Hi there. Since the sound is only occurring when the vehicle is started up, then most likely the timing chain tensioner(s) are worn or the actuator is sticking and causing the timing chain to be loose until enough engine oil...
Question
My 2010 Chevrolet Equinox has a timing chain replaced and I was wondering if the timing gear was part of this.
Hello. If they replaced the timing chain to begin with then they should have also replace the timing chain gears and the tensioners at the same time. If they did not replace all of these parts when then installed the...
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
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...

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