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THE IDLER PULLEY OR TENSIONER HAS A WOBBLE AND SEEMS TO MAKE A "GRINDING" NOISE. CAN A SHADE TREEE MECHANIC FIX THIS??

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2 Answers

Can the A/C clutch be changed on the car?


It can be the oil in the compressor is worn, when is the last time you had the system evacuated?

May 27, 2015 | 1997 Lincoln Town Car

1 Answer

My idler pulley on my 96 ford explorer is grinding on the bracket that holds it in place and creating a loud grinding noise, what steps would I use to resolve it??


change the idler pulley . its held on by a bolt in the center of the pulley. the bearings are sealed so you can't grease them. but first you have to take the tension off the serpintine belt. that is also another pulley located below the idler.don't know what size bolt on a ford but use a long wrench grab the bolt on the tensioner push to the right like you were tightening it. that will release the tension on the belt. don't take the belt all the way off just off the idler pulley. change the pulley and do tha same to reinstall the serpintine belt. if the belt comes all thr way off under the hood or on the front around the top of the radiator there will be a schematic that shows you how the belt should go around everything. let me know what happens. sometimes the tensioner pulley will grind also so be sure your changing the right pulley

Jun 26, 2013 | Cars & Trucks

1 Answer

Rave4 2008 v6 noise


Sounds like the idler pulley. It is what keeps tension on the surpentine belt. Usually a water pump will start dripping water through a small hole in pump that opens when the bearings go bad and start to wobble. You can spray some lube on idler pulley to see if it quiets it down some thou this is not a permanent fix. It will pinpoint the problem

Jun 08, 2013 | Cars & Trucks

1 Answer

Noisy Idler or tensioner pulley


bearings are going out. replace pulley.

Jan 12, 2013 | 2004 Chrysler Town & Country

1 Answer

My idler pulley is very loose and serpentine belt not holding


do not start engine as will cause engine damage if tensioner is loose will nock the timing out

Aug 20, 2012 | 1998 Chevrolet Malibu

2 Answers

Noise on belt tensioner or idler pulley


Carefully check the condition of the belt, the tensioner, and the idler pulley. I had the same thing happen and once I knew where to look, I could see that my idler pulley bearings were bad (understatement...they were GONE!)

Your idler pulley and tensioner need to look even and straight and not leaning in or out. A sure sign of a problem is if one or the other leans in toward where the tension from the belt would be on it.

The best way to check is to buy, rent, or borrow a serpentine belt wrench to take the pressure off and then try and wiggle the tension and idler pulley. If you feel any play, replace as soon as possible. I dragged my feet and ten days after I heard the noise, my idler pulley flew apart right as I pulled into work.

Feb 19, 2011 | 2003 Toyota RAV4

1 Answer

2004 gmc envoy. has a 6cyl and a serp belt. the center pully off set to the left (i think its a water pump) has a bad wobble and making a horrible noise. Not over heating and no leaks. should i just change...


If the fan is attached to it than it is the water pump making the noise and it will need to be replaced. If the fan clutch is not attached to it than it is either the idler pulley or the tensioner pulley. The tensioner is on the passenger side (left) of the front of the motor.

Oct 07, 2010 | 2004 GMC Envoy

1 Answer

I hear a noise coming from the serpentine belt area. Sounds like a bearing. I just put on a new belt and the noise is still there. The tensioner seems to be working fine. What could this be?


Each pulley is has a bearing. The best way to check it is to remove the belt and spin each pulley, (except the crank pulley wont spin) and listen to each one normally a tensioner pulley or idler pulley is the problem. Note: not all pulley will turn with the exact freeness in feeling, for instance it will be harder to turn the power steering pulley than it will to turn the ideler pulley but just listen to the noise. If you got a bad one it will sound like grinding rocks. Good luck.

Feb 28, 2010 | 2004 Toyota Corolla

1 Answer

I need to replace the idler pulley/tensioner and the belt


When this idler wears out it makes a growling noise that changes with engine RPM. A Bad Idler Pulley May Wobble & Wear Out Your Serpentine Belt Prematurely. Get Rid Of That Horrible Noise & Change.

Remove the serpentine belt by using a breakover bar, ratcher or serpentine belt removal tool with the correct size socket for the pulley mounting bolt. Rotate tensioner arm to release tension. Remove the bel. Using the proper size socket, remove the tensiones mounting bolt and remove tensioner.

Before installing the new tensioner, make sure the mounting surface for the tensiones is clean and free rust or other obstructions. Find the locator pin hole and rotate the replacement tensiones until the locator pin and the hole line uo. Insert the pin into the hole. Reinstall the mounting bilt and torque down to tight fit.

Rotate the tensioner arm to install the serpentine belt. Make sure the belt is correctly fitted to all pulley in the drive system. Start the engine to check for any problems. Extreme care should be taken when reinstalling the serpentine belt because some of the pulleys are located in remote positions ans it is very hard to see that belt is seated properly in all of the grooves. If the belt isn't seated properly, the belt can "ride out" of the grooves and the belt can be damaged.

Also must review the ZJ Repair Manual Secc-7-Cooling-System for graphics references.

Hope helped with this. Remember rated this help. Good luck.

Nov 26, 2009 | 1996 Jeep Grand Cherokee

1 Answer

I have a 2000 ML320 and my idler pulley chattered how do i fix also my cerpertine belt is shredded. can you provide a diagrahm and or route. prob # 2 windows do not roll up,they are all stuck in the last...


All the bearings on all the accessory points in the belt path are subject to seizure. The tensioner pulley and the idler are especially suspect. All the pulleys must turn easily and smoothly by hand. If there is noise, grinding or rough action, replace the item that's bad. The belt must be replaced if it's not perfect. The route is shown in your owner manual, but it goes around the outside of all the items with the exception of the fan blades and the tensioner. Thus, it goes from the alternator in to the fan, back out to the idler, over to the power steering, down to the A/C, to the tensioner, down to the crank, and back up to the fan. To put the new one on, put a 15 mm socket on the nut in the middle of the tensioner pulley, and pull it all the way down to allow the belt to pass over the pulley. The windows should not all stop at once, unless there's a blown fuse to the control panel. Do the mirrors work?

Jun 30, 2009 | 2007 Mercedes-Benz ML320 CDI

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