Question about 2001 Jeep Cherokee

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I'm replacing the serpentine belt on a 2001 cherokee sport 4.0 and the belt tension adjustor does not seem to be loosening the pulley. got the old belt off, but cannot get the new belt back on.

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  • Jeep Master
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Alldata.com
page 1, line 1 (serp)
Tension is maintained using an automatic tensioner pulley assembly. The drive belt is tensioned by adjusting the position of the idler pulley, accomplished by moving the adjuster bolt on the idler mechanism.

here, pasted in whole.

Serpentine Belt Because serpentine belts use a spring loaded tensioner for adjustment, belt replacement tends to be somewhat easier than it used to be on engines where accessories were pivoted and bolted in place for tension adjustment. Basically, all belt replacement involves is to pivot the tensioner to loosen the belt, then slide the belt off of the pulleys. The two most important points are to pay CLOSE attention to the proper belt routing (since serpentine belts tend to be "snaked'' all different ways through the pulleys) and to make sure the V-ribs are properly seated in all the pulleys.
Although belt routing diagrams have been included in this section, the first places you should check for proper belt routing are the labels in your engine compartment. These should include a belt routing diagram which may reflect changes made during a production run.

  1. Disconnect the negative battery cable for safety. This will help assure that no one mistakenly cranks the engine over with your hands between the pulleys, and that the cooling fan cannot activate while servicing the belt(s). NOTE Take a good look at the installed belt and make a note of the routing. Before removing the belt, make sure the routing matches that of the belt routing diagram. If for some reason a diagram does not match (you may not have the original engine or it may have been modified), carefully note the changes on a piece of paper.
  2. For tensioners equipped with a 1/2 in. (13mm) square hole, insert the drive end of a large breaker bar into the hole. Use the breaker bar to pivot the tensioner away from the drive belt. For tensioners not equipped with this hole, use the proper-sized socket and breaker bar (or a large handled wrench) on the tensioner idler pulley center bolt to pivot the tensioner away from the belt. This will loosen the belt sufficiently that it can be pulled off of one or more of the pulleys. It is usually easiest to carefully pull the belt out from underneath the tensioner pulley itself.
  3. Once the belt is off one of the pulleys, gently pivot the tensioner back into position. DO NOT allow the tensioner to snap back, as this could damage the tensioner's internal parts.
  4. Now finish removing the belt from the other pulleys and remove it from the engine.
To install:
  1. While referring to the proper routing diagram (which you identified earlier), begin to route the belt over the pulleys, leaving whichever pulley you first released it from for last.
  2. Once the belt is mostly in place, carefully pivot the tensioner and position the belt over the final pulley. As you begin to allow the tensioner back into contact with the belt, run your hand around the pulleys and make sure the belt is properly seated in the ribs. If not, release the tension and seat the belt.
  3. Once the belt is installed, take another look at all the pulleys to double check your installation.
  4. Connect the negative battery cable, then start and run the engine to check belt operation.
  5. Once the engine has reached normal operating temperature, turn the ignition OFF and check that the belt tensioner arrow is within the proper adjustment range.

Posted on Dec 27, 2013

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Posted on Jan 02, 2017

  • 1596 Answers

SOURCE: 1995 Jeep Grand Cherokee - Removing serpentine belt

Faceing the Engine The Tentioner is on the LEFT side next Pulley Down from the Alternator , Use A Box end 6 point Wrench to Turn Tentioner To the Right (CLOCKWISE) to Loosen the Belt, Take A Good Look at it If there is No Belt Diagram to Remember the Way It is Routed if thats all you need then you R on your way. Good luck !

Posted on Feb 05, 2009

  • 3640 Answers

SOURCE: 2001 Jeep Cherokee Sport 4.0L serpentine belt

have you been to the dealers for a read out of the surpentine belt diagram. they will give a diagram for nothing. most of the time.

Posted on May 07, 2010

Testimonial: "Will try one up here. We're in Jersey now, my wife had it down in Maryland for almost 3 years while I worked in NYC and every time I went to the dealer they gave the impression that I had to pay just to talk to them. I've almost paid for this car twice. 120K miles on her, would like to get at least another 60K. Thx."

  • 5370 Answers

SOURCE: Removal of serpentine belt on 1994 Jeep Grand Cherokee

Below is the master help link provided to go through belt routing diagram:---Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?
Click the link below: ----

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html
----------This will help. Thanks.

Posted on Feb 19, 2012

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1 Answer

I'm replacing the serpentine belt on a 2001 cherokee sport 4.0 and the belt tension adjustor does not seem to be loosening. got the old one off, but cannot get the new belt back on.


It will be necessary to undo the pulley nut first as the adjuster bolt has to be able to move the pulley spindle and the nut is what locks it in place to take the load off the little adjusting bolt.

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Serpentine belt diagram for a 2003 Chevy unpalatable 4.3


Pop the hood of the car and locate the serpentine belt routing diagram. The diagram on the 2003 Chevrolet Impala is on top of the fan shroud. The diagram will be a picture of all of the accessory pulleys and how the serpentine belt is routed among the pulleys. This diagram will give you the exact direction for routing the new belt onto the pulleys. If you cannot find a serpentine belt routing diagram, take a notepad and pen and draw out the exact routing diagram of the old belt across the pulleys.

  • 2 Locate the serpentine belt tensioner. It is located below the alternator on the left front side of the engine. The tensioner on the 3.4 liter, 3.5 liter and the 3.9 liter engines will require a 3/8 ratchet to release the belt tensioner. The 3.8 liter engine will require a ratchet and a 15 mm socket for the belt tensioner. Rotate the belt tensioner clockwise to loosen and remove the belt from the belt tensioner pulley.
  • 3 Slide the old belt from the belt tensioner pulley. Remove the belt from the remaining pulleys and pull the belt from the engine compartment.
  • 4 Route the new belt across the crankshaft pulley first. The crankshaft pulley is the big pulley on the bottom of the engine in the center. Then route the serpentine belt across the remaining pulleys as directed by the serpentine belt routing diagram. Leave the belt tensioner pulley for last.
  • 5 Rotate the belt tensioner clockwise again to relieve the tension and slide the new belt across the top of the belt tensioner pulley. Release the belt tensioner and the belt will tighten up as the tensioner applies pressure to the belt. Make sure the new belt is properly seated in all the pulleys.
  • 6 Crank the engine and inspect the belt again to make sure that it stays seated in the pulleys.

  • Read more: How to Replace a Serpentine Belt on a 2003 Chevrolet Impala ' eHow.co.uk http://www.ehow.co.uk/how_6120665_replace-belt-2003-chevrolet-impala.html#ixzz1Yi6QLAjb

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    You don't. If the belt looks frayed or otherwise damaged you replace it. There is however a belt tensioner which kind of automatically applies tension to the belt which removes the need to adjust belts like the old v belts with the adjustor brackets. You shouldn't have more than 1/2 to 1" or belt play otherwise if so your tensioner may be going out and need to be replaced.

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    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.
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    Click on the following direct Link. It has the Serpentine Belt Diagram that you will need depending on your engine size (2.0L or 3.0L) and your options (AC/No AC ect.).
    http://www.2carpros.com/car_repair_information/year/2001/make/mazda/model/tribute/2001_mazda_tribute_drive_belt_routing_diagram.htm

    Standard Rules to Removal the Serpentine Belt with a Tensioner:
    1. Find the Tensioner(s). (See Diagrams on Link)
    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 Tensioners:
    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

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    The Belt Diagram should be on the underside of your hood, however they have a way of disappearing.

    If it is not there:

    Click on the following free direct Link. It has the correct Serpentine Belt Diagrams for your 2001 Toyota Corolla 1.8L (4-Cylinder) Engine and Engine Options (AC/No AC etc.). Included are Instructional and Directional Diagrams for your use.

    Let me know if this helped, or if you have additional information questions. Feel Free to contact me at FixYa.com!

    http://www.2carpros.com/car_repair_information/year/2001/make/toyota/model/corolla/2001_toyota_corolla_drive_belt_routing_diagram.htm "HOW TO":
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    1. Find the Tensioner(s). (See Diagrams on Link)
    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.

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    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.

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