Question about 2003 Jeep Liberty

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How do i now the length of my belt 86 3/8 or 87 1/4, i have the plastic tensioner

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MEASURE THE IDLER PULLEY....SOME WILL HAVE DIFFERENT SIZED PULLEYS.MEASURE IT FROM END TO END...IF IT IS 3 in.PULLEY USE 86 3/8 IF IT IS 3.5 in.PULLEY USE 87 1/4..
ONLY WITH THE 3.7 LITER ENGINE.

Posted on Feb 26, 2011

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1 Answer

What size serpentine belt would i need on 2004 ram 3500 with a 5.7 liter hemi with a/c delete


fan belts are measured in millimeters and ribs a usual inked number would be 6pk240 meaning a 6 rib belt width with 240mm in length So know how many ribs you have from the old belt makes this easy to find the length by taking kite string and following the belt diagram to get the length granted when coming to tensioner you have to subtract some from the string or have someone hold tension about half the travel this will get you close the Gates belt number is K071013 (7 rib 101.8 inches) look for K070880 about 85-91 inches

Dec 22, 2014 | 2004 Dodge Ram 2500

1 Answer

Belt comes off when wet. are there tensioner replacements?


Tensioners can have the pulley or ride wheel replaced or you can replace the entire tensioner. But if your belt hasnt been replaced in a long period of time it might be time for a belt replacement. A tensioner has a limited amount of travel to use to keep tension on the belt. Once the belt has stressed and stretched to a long enough length then the tensioner cannot apply any more tension.

Oct 12, 2013 | 1996 Plymouth Voyager

1 Answer

1997 Jeep cherokee larado squeals replaced the drive belt a few times and it keeps tearing


Inspect the belt tensioner for the following conditions:
Noise
  • If the belt squeals, the tensioner force may be insufficient. Check the belt length gauge, if the length is correct, replace the tensioner.
  • If the tensioner clatters or rattles during engine operation, there may be internal interference or wear. Replace the tensioner.
  • If the belt chirps, you may have a worn pulley or tensioner or cracks in the tensioner bas or arm. Check the mounting bolts, if they are okay, replace the tensioner.
Sticking or Seized Tensioner or Idler
  • If the tensioner does not operate smoothly or doesn't move, you may have: internal thrust surface damage/wear, internal damage/wear, or a broken spring, replace the tensioner.
Appearance
  • Inspect the tensioner arm for cracks or other damage. If the tensioner is broken, it should be replaced.
  • Look for excessive tensioner movement at idle, which can indicate internal wear, an out-of-round pulley or loose mounting bolts. Check the mounting bolts, it they are in good condition, replace the tensioner.
  • Make sure the tensioner is not tilted or misaligned. Also make sure a gap exists between the tensioner arm and base. If you notice a problem, check the mounting surface, it the surface is okay, replace the tensioner.
Belt Tracking
  • If the belt does not track properly on the pulley tracking surface, you'll need to troubleshoot the problem. Check the mounting bolts and the system alignment. Then, make sure the correct belt is being used for the vehicle. If all of these things are intact, replace the tensioner.
Belt Length Indicator
  • A belt length indicator is built into each tensioner.
  • The gauge identifies the effective operating range of the tensioner.
  • It consists of a pointer and either two or three length marks.
    • On a three-mark gauge minimum belt length, maximum belt length and ideal belt length are indicated.
    • On a two-mark gauge only minimum belt length and maximum belt length are indicated.
    • Ideal belt length on a two-mark gauge is generally half way between the minimum and the maximum.
  • When a belt wears and stretches with age the tensioner will move towards the maximum belt length to maintain proper tension.
  • As the pointer nears the maximum length mark, replace the belt.

May 04, 2012 | 1996 Jeep Grand Cherokee

1 Answer

I need to replace the serpentine belt on my car. How do I do that?


These instructions will help you . and also the picture below will help you more.
1
Locate the belt-routing diagram, printed on the fan shroud or possibly applied to the underside of the hood. This diagram shows you how to properly route the new belt, as well as identifying the location of the various pulleys, including the serpentine belt tensioner.
2
Move the belt tensioner off the Sable's belt using the serpentine belt tool. The tool connects to the side of the tensioner's arm and essentially acts as a handle for use in moving the tensioner. You can purchase a serpentine belt tool at most auto-part retailers.
3
Slip the belt away from the tensioner with your free hand and release the pressure on the tensioner with the tool. Pull the belt off the rest of the pulleys by hand and then remove it from the engine well.
4
Grab the old belt and new belt with one hand and put your foot through the other end of the belts. Stretch them both to their full length and check to ensure their both the same size. The old belt may have up to one-inch of extra length due to normal stretching that occurs during the belt's service life.
5
Wind the new belt, rib side to the pulley, around the crankshaft pulley. Consult the routing diagram and route the belt to the next pulley on the diagram. Continue to route and then check the diagram until you have the belt wound around every pulley except the belt tensioner pulley.
6
Double check to make sure the belt routes exactly as shown on the diagram and then move the tensioner aside once more so you can route the belt over the tensioner pulley as shown in the diagram. Move the tensioner back into place slowly and remove the tool.

Good luck

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Jan 03, 2011 | 1996 Mercury Sable

1 Answer

I need to replace my serpateen belt how do i do that?


This label shows the accessory belt routing on a Lumina with a 3.1L engine



c17hydro_56.gif

  1. Disconnect the negative battery cable.
  2. Remove the drive belt shield.
  3. Fit a 3/8 inch breaker bar or ratchet to the square hole in the tensioner. Lift, or rotate the tensioner off of the drive belt. When the tension on the belt is removed, slide the drive belt from the pulleys.

To install:

  1. Taking care to follow the proper routing of the belt, slip the belt onto the pulleys. As a help, note that the water pump pulley is usually driven from the back (smooth side) of the belt.
  2. Fit a 3/8 -inch breaker bar or ratchet to the square hole in the tensioner. Lift, or rotate the tensioner and, with the belt in place, gently release the tensioner.
  3. Verify that the belt is correctly routed and aligned in the proper grooves of the accessory drive belt pulleys. Inspect the drive belt length scale on the drive belt tensioner for the proper indicated length. If the drive belt length scale does not indicate the proper installed length, the belt may be incorrect, incorrectly installed, worn out or the tensioner may be defective.
  4. Connect the negative battery cable. Start the vehicle and verify correct operation.
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Dec 09, 2010 | 1997 Chevrolet Lumina

1 Answer

I am in the process to install a new alternator for which I need to loosen the belt. Is there a tensioner and what does it look like ?


Don't know what size of motor you have but this should help you:

Removal & Installation
  1. Loosen the accessory-to-mounting bracket bolt(s) and adjusting bolt.
  2. Rotate the accessory to relieve belt tension.
  3. Slip the drive belt from the accessory pulley and remove it from the engine.

If the engine uses more than one belt, it may be necessary to remove belts that are in front of the belt being removed

To install:



c17hydro_38.gif

If the engine uses more than one belt, it may be necessary to remove belts that are in front of the belt being removed


  1. Place the new belt over the crankshaft or drive pulley and stretch over the driven (accessory) pulley.
  2. If removed, install the other belts in the same way.
  3. Adjust the belts to the proper tension.
  4. Tighten the adjusting and mounting bolts.

Models equipped with the V6 engine and most 1987-94 engines use a single (serpentine belt) to drive all engine accessories. The serpentine belt driven accessories are rigidly mounted with belt tension maintained by a spring loaded tensioner assembly. The belt tensioner has the ability to control belt tension over a fairly broad range of belt lengths. However, there are limits to the tensioner's ability to compensate for varying lengths of belts. Poor tension control and/or damage to the tensioner could result with the tensioner operating outside of its range.

To replace the belt push (rotate) the the belt tensioner and remove the belt. Use a 15mm socket on the 4-cyl. engines and a 3/4 in. open end wrench on the V6 engines.
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Nov 20, 2010 | 1989 Chevrolet Cavalier

1 Answer

Replace belt


Locate the belt tensioner! It will need to be turned in a direction that wil loosen the belt. up or down i,m not remembering!
next look for a square hole to place a breakover bar in. to move the tensioner.If not you will need a socket placed on the bolt head in the center of the tensioner pulley.This is the only pulley of all the others that you can move,in a circular motion to loosen(remove the tension, and reinstall the new serpintien belt.Check the new belt for length to the old one,are they the same length?
Next if you dont se a decale-sticker,with the belt routing,it is wise to draw one out for your own use. The 4 cylinder engine is a snap,the v6 a bit more complicated,but,you can do it! If i can you can ok??? Remember that the grooved belt side goes on,around the outside of the diameter,of the grooved pulley.the flat faced pulley or pulley's run next to the flatside of the belt. Have a helper unload the tension of the tensioner while you place the belt on and around the pulleys in the correct routing. If the belt seems too long try again for proper routing.Once on, release the tension,and see that the pully is not binding up or running loose,this will damage the new belt.

Sep 09, 2010 | 1998 Buick Riviera

1 Answer

How to change the fan belts on 1993 Nissan Quest Minivan


First go to Nissan's help forum page. Use this link: http://x.nissanhelp.com/forums/index.php

You can get a free login and download up to two files a day using the free login. You want the MA maintenance file of your vans manual. This will include the belt tensions and placement.
You will need to remove the plastic cover on the passenger side of the engine to be able to access the belt tensioners on the alt. and power steering pump. Nissan likes to use the same basic tensioners on most of their stuff. The air pump and air conditioner use idler pulleys, you loosen the bolt in the middle of the pulley enough to allow the pulley to move, no more. there is a bolt with its length toward the center of this pulley, when you loosen this bolt the pulley will start to move down and loosen the belt. repeat this process for both the air pump and the air conditioner. The alt. and power steering you loosen the bolt that secures the tensioner, than you can back off the long bolt in the tensioner to loosen and remove the belts.

I usually check each new built with the old one for length and label its sleeve by function as I take each one off. Makes matching them up when you put them back on much easier.

Sep 05, 2009 | 1994 Nissan Quest

1 Answer

Belt between water pump & alternator squealed and popped off - di


You could have the wrong size or the serpentine belt was routed wrong. Double check the routing and the length of the belt, the other thing to that is know to happen is the belt tension pulley has gone bad and needs to be replaced. Recap, check the routing of the belt, belt length, tension pulley for any damage. Good luck and hope this helps.

Jul 16, 2009 | 2002 Mazda Protege

1 Answer

Serpentine belt routing


Here you go.. I looked up the same belt you did, it should be right.

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Feb 09, 2009 | 2001 BMW 330

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