Question about 2001 Dodge Durango

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Car is overheating. I think the wrong tensioner pulley is installed. we bought the right one according to the parts store. if the tensioner pulley is not providing the right tension on the belt can it cause the water pump not to pump enough water and make the car overheat? also how do you change the tensioner pulley. i read where it says to insert a socket wrench in the square hole on the pulley to release tension but i dont see a square hole in the pulley bracket.

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First off if your belt is slipping enough for the water pump to not function it should be making one heck of a racket.
look at the belt (carefully and with protective wear) and see if the water pump pulley is spinning when the engine is running.
more likely your culprit may be a thermostat or if when the belt came off the last time the vehicle overheated, it may have cause internal damage, head gasket etc.

Posted on Jan 01, 2011

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Why cant I get the serpentine belt on to the tensioner pulley?

You either got the wrong parts or you need to move the tensioner just a little bit farther.

Jan 25, 2015 | 1997 Dodge Ram 1500 Club Cab

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How to change serpentine belt on rav4 2004 model

You'll need to buy a tensioner release tool to do the job. Any auto parts store sells them. Use the tool to release the tension by moving the pulley enough to get the belt off . Route the new belt around all the pulleys on the engine according to the diagram sticker under the hood.once you're ready to put tension on the new belt, move the pulley again and put the belt under the pulley. Release the tool and you're done.

Feb 19, 2013 | 2004 Toyota RAV4

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Im trying to put the new belt for th a/c i pulled the tensioning pully until it stoped it was to far for me to put the belt on is there a special

Put the belt over all pulleys first, make sure the grooves on the belt are lined up with the grooves on the pulley. Keep some tension on the belt with your finger to keep the belt from coming out of the grooves while you are turning the tensioner. Pull the tensioner as far as it will go. Then pull the belt over the tensioner. Sometimes you still have to push the belt on the tensioner with a little force to get it over the tensioner even with the tensioner fully released, because the belt is slighlty angled when you are pushing it over the tensioner pulley. But make sure the belt stays in the grooves on the pulleys before you let the tensioner tighten onto the belt.

If the grooves are lined up properly on the belt and pulley and the belt still will not go on you may have gotten a belt thats too short. Go to the website of the parts store you bought your belt from and look up the part. Make sure the part number of the belt you got matches the one on the belt you are trying to install.

Aug 08, 2011 | 2001 Chrysler PT Cruiser

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I need an idler pulley for a 2003 saturn vue AWD 3.0 6 cylider. All I can find is a 75mm. the old one seems to measure 125mm. will he 75mm work or where can I find the right one. This is not an...

the 75 may work but the belt may be loose if the tensioner doesnt pick up the slack, i dont understand, you said this was not an aftermarket part so its a dealer part, sre you sure you are asking for the right pulley,okay i just looked at a diagram and theres only one pulley and thats for the tensioner theres no idler pulley on the v6 engine i think thats why you are getting the wrong part.heres a diagram to show you, maybe ask for the tensioner pulley.i jsut looked up part and the pulley i looked at was 76mm ,you can also buy the whole tensioner asm, but if its just the pulley you need then that doesnt make sense,try to put the belt on and see if its tight is so use it, i often run into this problem and thats what i do, but im confused that the dealer cant get the part right, something isnt right, you know i just looked at the measurements and that not right, i have never seen a pulley that big on the tensioner, i think its another pulley, like for the power steering,look at the diagram i sent and i will label each pulley and see if it the same one you are looking for, i think you will find its not the tensioner pulley and you dont have an idler so its another pulley good luck i hope this helps,johnjohn2_58.gif

Jan 08, 2011 | 2003 Saturn VUE

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One of the wheels that the fanbelt runs around has sheared off causing the power steering to stop. This wheel is attached to a spring loaded unit? I am not sure of the name of this part and whether it can...

Not sure which engine you have but all of the diagrams below have the parts labeled. Find the diagram that matches your pulleys and identify the part that failed. Take the part off and take it to the parts store and get a new one. Put it on and then route the blet according to the picture. It will not go on all the pulleys until you turn the tensioner, so leave it off one pulley that you can reach from the top. Then get a wrench on the tensioner and turn the tensioner away from the belt as shown in the picture. Once you have the tensioner fully turned against the spring, the belt should go onto the last pulley. Sounds easier than it is, but don't get frustrated. Let me know if you have questions.





Oct 27, 2010 | 2000 Ford Focus

2 Answers

Change serpentine belt on 06 sienna

  1. 1 Check to ensure the Sienna's engine is cold, then make sure the Sienna is in park, the ignition is in the off position and the key is removed from the ignition to prevent any possibility of the engine engaging during the serpentine belt replacement.
  2. 2 Open the hood and locate the serpentine belt routing diagram sticker on the side of the engine casing. Study it for a moment before removing the existing belt. It is essential the new belt be installed exactly as the diagram indicates.
  3. 3 Find the tensioner pulley, the main pulley that controls the serpentine belt, and fit a 1/2-inch socket wrench over the self-tensioner on the outside of the pulley.
  4. 4 Pull the wrench to the left to move the pulley forward, which loosens the belt, then remove the belt.
  5. 5 Compare the old serpentine belt with the new, replacement belt for length, width and number of grooves on the belt's underside. Be certain the replacement belt is the right part.
  6. 6 Fit the new belt on to each pulley according to the serpentine belt routing diagram on the manufacturer's sticker, or according to the drawing made prior to removing the old belt. Fit the new belt on to the tensioner pulley last, again applying pressure on the pulley's self-tensioner with the half-inch socket wrench to loosen the pulley.
  7. 7 Release the pressure on the self tensioner and allow the tensioner pulley to ease back into place, thereby tightening the new serpentine belt with the appropriate tension.
  8. 8 Remove the wrench and close the hood.
Thank you and good luck,

Aug 26, 2010 | 2006 Toyota Sienna

1 Answer

How to install a serpentine belt on a 1994 mercury grand marquis it seems that i can get a 3/8 or 1/2in ratchet to move tensioner

It is sometimes pretty tough getting it to move.
Make sure you are Rotating it the correct way.
Do you have a Breaker Bar or a Serpentine Belt Tensioner Tool. Stores like Harbor Freight and even some Auto Parts Stores have these. Some of the auto parts stores have these for rent (for free with a refundable deposit).
I like and use weekly the Serpentine Tool from Harbor Freight (Item #66344-0VGA- $20). It is narrow enough to fit in most tight spots. The main bar has a 3/8-in fitting, and the extension bar can connect to this with a 1/2-in fitting.
The idea is to have more leverage. The Ratchet and/or Wrench sometimes does not provide that leverage needed.

When installing follow the below guidelines. DO NOT try to put the Belt on the Tensioner last.

Standard Rules to Removal the Serpentine Belt with an Automatic Tensioner:
1. Find the Tensioner(s).
2. Using a Serpentine Belt Tensioner Tool, Or Wrench OR Ratchet, Rotate/Move the Tensioner USING THE AVAILABLE NUT (on the Pulley or Arm Base) OR the OPENING (3/8ths or 1/2 inch square opening) rotating the Tensioner Pulley/Arm - moving it away from contact with the belt and towards the area where the belt is not in contact with the Tensioner Pulley. The Tensioner is spring loaded, and is hard to rotate/move.
3. Remove the loosened belt off one of the other more easily accessed Pulleys.
4. DO NOT quickly release the Tensioner, but gently allow the Tensioner to rest in its closed position.

Standard Rules for Installing the Serpentine Belt with an Automatic Tensioner:
a. Pick a Pulley that is most easily accessed. This will usually be on top. This will be the last Pulley that the belt will go on.
b. Using the Diagram: Install the new Serpentine Belt on the remainder of the Pulleys....over, under, left right.
c. Using a Serpentine Belt Tensioner Tool or Wrench or Ratchet Tool: Rotate/Move the Tensioner Pulley/Arm "away" from Belt contact area on the Tensioner. This spring is pretty hard and with a new belt, it will be even harder to install. Rotate/Move this to as-close to the maximum allowed inorder to have enough slack in the belt to get it up and over the last pulley.
d. Using your other hand - Pull the Belt up and over the Last remaining Pulley.
e. Before releasing the pressure on the Tensioner, visually inspect the remainder Pulleys and the Belts' Positioning on them.
Let me know if this helped, or if you have additional information questions. Feel Free to contact me at!

Apr 07, 2010 | 1994 Mercury Grand Marquis

1 Answer

I can't find the Auto-tensioner on my 99 accord. Does it have one? If not, how do i get the belts off?

I think this is right, but…
Find someone to help you if you can. To help hold the new belt in place when you are putting it on.
Make a diagram of the way the belt fits over and around the pulleys on your car. Don’t thing that you are going to remember where it goes.
Locate the drive belt auto-tensioner on the upper part of the engine (see pic). The tensioner is an idler pulley, since it does not drive any accessory on your vehicle. Its only function is to give the belt its proper tension.
Insert a long boxed-end wrench on the auto-tensioner pulley bolt of the appropriate size (probably 14mm) and slowly turn the idler pulley to release the tension on the drive belt (you are not removing the bolt; you are turning the tensioner so you can get the belt off while you have it turned under pressure). If you have a 2.4L engine model (2.3 Vtec should be similar), turn the pulley clockwise; if you have a 3.0L engine model, turn the pulley counterclockwise. Slide the belt off any pulley located on the upper part of the engine while you have the tensioner under pressure; then slowly release the tensioner pulley and remove the belt from the engine.
Check every pulley run by the drive belt and make sure they are free of dirt, debris and built-up material.
Compare the old belt to the new one and make sure it is of the same width and configuration.
Install the new belt beginning with the crankshaft pulley at the bottom and center of the engine and work your way up to the last pulley; follow your notes or the routing diagram on the engine compartment. If necessary, ask your helper to hold the belt stretched next to the last pulley on the upper part of the engine. Using the boxed-end wrench, slowly rotate the auto-tensioner pulley in the same direction you turned it to release the belt. Then slide the belt over the last pulley, and slowly release the auto-tensioner.
Make sure the belt is properly seated between the flanges of every accessory pulley.

Oct 30, 2009 | 1998 Honda Accord

2 Answers

I need to change the timing belt and a few more...

moz-screenshot.pngmoz-screenshot-1.pngmoz-screenshot-2.png Removal & Installation
  1. Disconnect the negative battery cable.
  2. Rotate the auto tensioner clockwise to release tension, then remove the drive belt.
To install:
  1. Install drive belt (A). Route the belt over the components in the following order: Crankshaft pulley → A/C pulley → idler pulley → generator pulley → water pump pulley → P/S pump pulley → tensioner pulley.
  2. Rotate auto tensioner arm in the counter-clockwise moving auto tensioner pulley bolt with wrench.
  3. After putting belt on auto tensioner pulley, release the auto tensioner pulley slowly.
    93581gy2.gif Accessory serpentine belt routing—3.5L engine
    42050_sedo_g0020.gif Accessory serpentine belt (A) routing—3.8L engine

Aug 20, 2009 | 2003 Kia Sedona

3 Answers

My serpentine belt has about 2inch's of slack in it. Why?

This is how it should be routed if you have the 3.0L engine. Give me the number off of your belt and I can tell you if it is the right one.

Feb 10, 2009 | 1993 Mercury Sable

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