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Tensioner

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Question
I am trying to remove the alternator, but I need to free up more space.
Hi there. As a former Lexus master technician, this was one of the jobs that seemed like the engineers weren't in their right minds when designing it. We had to loosen the core support that holds the radiator, support it...
Question
Removal of the serpentine belt tensioner
Hello, the Polo was never officially introduced to the North American market, so our resources for technical assistance are a bit thin. Nonetheless, I'll refer to a parts supplier for the Polo, and their VW Technical Articles. This article for...
Question
Just replaced both belts on 2008 Fx35 infiniti.
Hey Dan, thanks for inquiring. I don't know that you necessarily need to replace your pulleys, neither tensioner or idler. However, if you are hearing a squeaking from your engine and suspect the pulleys are the problem then replace them...
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
Drive belt keeps popping off
The first thing to check is whether all of the pulleys are in the same plane. Imagine a flat surface applied up against the pulley edges. Do all pulleys touch the flat surface? If a pulley, for instance, on the...
Question
Broken timing tensioner pulley
Hello there, a broken timing belt tensioner pulley will cause big issues with your 1990 BMW 325i. When the timing belt slips or breaks it can cause the valve timing to get thrown off and the valve can hit the...
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
Knocking noise. Is it a problem with the belt?
Hello - No, it is incorrect to assume that you couldn't install the new tensioner even though it is of different length. Was the new tensioner longer or shorter? If shorter, there may not be adequate tension on the belt,...
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...

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