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Wanda Clark Posted on Sep 30, 2018

I REPLACED TENSION BELT PULLY ON 2004 IMPALA 3.8 AND NOW BELT KEEPS COMING OFF

5 Related Answers

Anonymous

  • 123 Answers
  • Posted on Sep 24, 2008

SOURCE: altenator belt breaking

Is this a single serpentine belt system or a V belt with 2 or more belts running the accessories? There is an alignment issue, another bad accessorie or bad bearing (quite possibley the new alt) or as mentioned a bad idler ( if a serpentine belt setup)

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Curt Downs

  • 1779 Answers
  • Posted on Sep 29, 2008

SOURCE: Changing Serpentine Belt on '01 Impala LS (3.8L)

Can u turn the nut in the opposite direction that u have been trying? U need a lot of leverage to get enough tension off to remove the belt. If u have enough room, add a pipe to the end of your wrench, u will need a lot of room to move the tensioner enough. U might have better luck buying the wrench made for that purpose at a parts store. I think I paid about 25 a couple years ago, I couldn't fit a regular socket and wrench on the tensioner, it was a very tight space.

Dr-Custom

Tod George

  • 238 Answers
  • Posted on Apr 20, 2009

SOURCE: tension pully is loose making the belt rattle

It sounds like you have a broken serpentine belt tensioner. The tensioner should always be tight, it is spring loaded and you would have had to release the tension on it to have put the new belt on.Depending on what engine that is in yours, this could be an easy fix or a hard fix. The tensioner on a 2.2L is made into a large plate bracket that is attached to the front on the engine and several other items have to come off to replace it.The tensioner on the 3.1L v6 is smaller and has one bolt that holds it on.Either one is available at the local auto parts store.

Hope this helps

Anonymous

  • 176 Answers
  • Posted on May 24, 2009

SOURCE: how do I release the belt tension pully to replace serpentine belt

You can run down to your local auto parts store and buy a serp belt tool. Or you can take a 3/8 drive ratchet, locate the 3/8 square hole in your tensioner and put the ratchet in the hole. For more leverage I put a deep socket over the ratchet handle and put a long 3/8 extention in the deep socket. This will provide ample leverage and will save buying more tools you do not need. Simply move the tensioner to the direction that takes pressure off of the belt.

alicantecoli

Colin Stickland

  • 22516 Answers
  • Posted on Dec 08, 2011

SOURCE: Serpentine belts keeps shredding

would help if i knew what car it was ,main cause of this problem is one of the plastic wheel/tensioner is faulty if you look carefully then you will that it should have a guide like a train wheel with a falnge on either side and one or both of these flanges have broken away so the without the guide the belt runs on the edge of the wheel and it shreds .not the first time i have seen this

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Related Questions:

0helpful
1answer

How to put the belt back onto a 2009 Chevy impala

https://www.youtube.com/watch?v=Z-O5BLnXE30
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HOW DO I ADJUSE THE DRIVE BELT

If the belt is coming off it is misaligned or the tensioner pulley unit has failed and is providing insufficient spring tension to retain the serpentine belt. The pulley arm itself may also be misaligned. Over time these tensioners weaken and need to be replaced.

If the belt tensioner has not been replaced for many years I would have it replaced and then see if you still have the belt throwing off.

Belt tensioner failure signs

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0helpful
1answer

Noise coming from belts

sometimes it's the belt.take the belt off and check the tension pully and all the others to hear any churps. that is a easy way to find the noise
0helpful
1answer

Belt keeps coming off why

could be that a pully is out of line and could also be that the tension pully is not working properly
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2answers

I installed serpentine belt on 2004 IMPALA LS but belt seems to be still lose

Either you have the wrong belt or YOu need to check to make sure that you followed your pully map correctly
0helpful
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Netnhow to replace the idler pulley

Very simple, release the belt tension. See pic.consistant_11.gifconsistant_12.gifDepending on what motor you have (3.4L or 3.8L use a 3/8" ratchet, or a 15mm socket. after the belt is removed, simply unbolt the bolt in the middle of the pully.
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1answer

Want to fit fan belt cant find the proper way

You have to find the tension pully. using a 3/8 socket wrench. not the socke but the actual wrench. place the square end of the wrench into the notch on the pully and either push or pull (depends on the v-belt system) and it should move. place your v-belt around the pully's according to the diagram under your hood leaving your tension pully to be the last one the belt goes on. Move that tension pully as mentioned above and place it the belt on the pully. The diagram under the hood should also show you where that tension pully is located.
0helpful
1answer

A belt keeps coming off. the tension is broken....

well 1 what kinda belt,motor, etc second if theres no tension on the tension pulley then itll will need to be replaced 2 autozone will print you out a diagram on most cars and trucks for free
0helpful
2answers

Changing Serpentine Belt

That bolt keeps the belt tensioner on. There are two bolts on a typcial tensioner. One to keep the pully on, the other to keep the whole asembly on. Since it's a GM, you should either see a square hole, around 3/8 in or a raised slot. You can put a 3/8 braker bar in the hole and you push it to remove the tension. No need to remove any bolts. Or, there could be a slot sticking out on it, you can put a wrench on it and push it to remove tension. When there is no tension, you slip off the belt from any pully, i prefeer slipping it off a top pully for easier access, and same for instaliton. Set the new bet up the way your old one was exepct for the highest pulley, remove the tension from tensioner, slip belt back on last pully and let the tensioner do it's job. If you remove the bolt that keeps the tensioner on, it will pop off and easily hurt yourself. After the new belt is on, make sure it is on correctly. There are small ribs on the inside of the belt, if those aren't in the groves properly of all the pullies, the belt will not last as long.
1helpful
2answers

Whistling soung from engine

Take a look at the belt see if it has cracks or worn grooves.. if it dose have it replaced. if it doesn't pull on the belt back and forth see if the tension pully is giving the belt tension( it supposed to be about 1/2 of an inche to an inch or try to turn the belt around to almost half way) if not replace the tensioner pully. if good check the free pully by starting the car and spary a bit of wd40 on the center of the pully if noise disappers replace the free pully. if not see ur local auto shop..
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