Question about 1996 Jeep Grand Cherokee

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Serpentine belt my old serpentine belt brokel off i put a new one back on and now the pulleys spin free withoput the belt on but when the belt is on they dont spin

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  • Yasmine Berry Wallace Feb 15, 2009

    i dont think i exsplained it wright when the belt is off i can move all the pullys but when the belt is on the pullys dont spin they just squeal no matter how much i loosen or tighten the belt thanks again for any help you can give me

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  • 33 Answers

The pulley's aren't supposed to spin freely with the belt on. The belt connects all the pully's to the crankshaft, which does not spin freely because it is attached to the pistons inside the engine. To turn the pulleys, you have to turn the crankshaft, which in turn moves the pistons inside the engine up and down.

Posted on Feb 15, 2009

  • Jeremy Feb 15, 2009

    Ohh, ok. It's probably the A/C compressor that's locked up. When the key is off, the clutch to the compressor disengages (So it will spin freely when the engine is off), but when you start the engine, if the A/C or window defogger are turned on, the clutch engage. If the compressor has seized, when the clutch engages it will cause the belt to squeal.

    Try disconnecting the wires that lead to the A/C compressor clutch to make sure that it can not engage, then try starting your engine again. If the belt doesn't squeal, you know it's the compressor.

    The compressor seizing up is probably what stressed your old belt out and caused it to break.


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1 Answer

How simple is it to change a alternator belt on subaru svx?


  1. Removing the Serpentine Belt
    • 1 Park your Subaru on a level surface and open the hood.
    • 2 Disconnect the ground (black) battery cable using a wrench. This will prevent the cooling fan from activating.
    • 3 Locate the serpentine belt routing diagram in your engine compartment and compare it to the actual routing of the installed belt. Make sure the routing on the label matches the actual routing. If they do not match or there is no label, note the actual routing on a piece of paper for later reference.
    • 4 Locate the belt tensioner pulley on your Subaru model. If the tensioner is equipped with a squared hole, use a large breaker bar with a 1/2-inch (13 mm) drive. Otherwise, use a ratchet and socket of the proper size on the tensioner pulley center bolt.
    • 5 Rotate the tensioner pulley away from the belt to release the belt tension.
    • 6 Pull the belt off of one of the pulleys and slowly release the tensioner pulley back into position. Do not let the tensioner pulley snap back or you may damage an internal component.
    • 7 Finish removing the serpentine belt from the rest of the pulleys and the engine compartment.
    Installing the New Serpentine Belt
    • 1 Match the old belt to the new one and make sure they are of the same length and configuration. It is normal for the new belt to be slightly shorter since the old one has been stretched through use.
    • 2 Route the new serpentine belt through all of the pulleys except the tensioner pulley. Use the diagram on the engine compartment or your notes, as a reference, to properly route the belt.
    • 3 Insert the large breaker bar into the square hole or the ratchet and socket into the tensioner pulley center bolt.
    • 4 Rotate the tensioner pulley in the same direction you did to release the belt tension.
    • 5 Slide the serpentine belt onto the tensioner pulley.
    • 6 Release the tensioner pulley back into position.
    • 7 Look at all the pulleys and make sure the serpentine belt is properly seated on each one. Otherwise, release the belt tension and adjust the belt.
    • 8 Connect the ground (black) battery cable using the wrench.

Oct 18, 2011 | 1992 Subaru SVX

1 Answer

How do i take of a pulley and tensioner of a 94 Dodge Caravan 3.0 L V6


You'll need a Serpentine Belt Tool and a socket set.

Rotate the Caravan's serpentine belt tensioner assembly clockwise to relieve the tension on the belt. Slip the belt off the tensioner with your free hand before rotating the tensioner back to its home position. Remove the tool.
Extract the two mounting bolts that hold the serpentine belt tensioner assembly to the Caravan's front engine cover using your socket set. Depending on your physical size and dexterity, you may find this easier to accomplish through the top of the engine well or through the passenger-side wheel well.
Pull the old serpentine belt tensioner assembly out of the Caravan's engine bay by hand. Place the new serpentine belt tensioner assembly on the Caravan's front engine cover and bolt it in using your socket set.
Rotate the new serpentine belt tensioner assembly clockwise with the serpentine belt tool and then place the belt on the pulley by hand. Rotate the new serpentine belt tensioner assembly back into place. Remove the tool and close the hood.

May 19, 2011 | Dodge Caravan Cars & Trucks

2 Answers

Hi when are you supose to change the serpentine belt on a 2001 Saturn SC2? My SC2 has almost 51,000 miles on it with the orginal belt? Thanks,


The manufacture recommends a serpentine belt replacement every 50,000 miles. However, your serpentine belt should be inspected often for cracks, rips or warping. This can also tell you if you have a pulley that is malfunctioning. Also when you have your serpentine belt off spin your pulleys and make sure they spin free with no hang ups. If you get a hangup you may need to replace that pulley. If you want to replace the serpentine belt yourself here are the steps you take to replace it. This will save you around $50 in labor charges.
  1. You will need a 15mm wrench.
  2. Next you will want to make a diagram of the position of the belt in relation to each pulley. This is important because the belt only goes on one way.
  3. Put the wrench on on the tension pulley
  4. Pull the wrench towards the car releasing the tension on the belt
  5. Slide the belt off
  6. Slowly let the tension pulley release to it's start position
  7. Get the old belt and new belt and compare the two in size, and the amount of groves they have. The belts should be an exact match with the exception that the old belt may be minutely longer from being stretched during use.
  8. Set the new belt on a few pulleys per your diagram
  9. Now get the wrench again and place it on the tension pulley and pull towards the car placing the rest of the belt on the pulleys exactly as the diagram says.
  10. Release the tension pulley gently.
  11. Now you want to inspect how the belt is laying on the pulleys. Make sure the belt is on nice and even and exactly as the diagram says.
  12. Providing all is well to this point turn your car on and go inspect the belt with the engine running and make sure it is staying on the pulleys as it should.
  13. That should be it. 15 minutes and you saved $50. I will upload a diagram for your Car and engine as well.
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Mar 23, 2011 | Saturn SC2 Cars & Trucks

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

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,
Lee

Aug 26, 2010 | 2006 Toyota Sienna

2 Answers

I have a 2003 rav4 v4 and I'm replacing the serpentine belt. What do I loosen to remove the old belt and install new?


Look for a tensioner pulley. It's spring loaded to maintain tension on the belt. It's a pulley that does not spin a device like alternator, power steering pump or AC compressor. If you put a wrench on it and push it one way or another you can overcome the spring tension and the belt will just pop off. Check the belt routing diagram under the hood when you reinstall a new belt. It should identify the tensioner pulley, sometimes known as an idler pulley.

Apr 10, 2010 | 2003 Toyota RAV4

2 Answers

Serpentine belt blew due to belt wheel sheering off


with the belt off,try to spin each and every pulley,and water pump,alternator,idler pulley,automatic belt tensioner pulley,sounds like one froze up and took the belt out.

Dec 10, 2009 | 2004 Toyota Corolla

1 Answer

I have a 1999 Mercury Sable. The only problem I have had with the car is the serpentine belt. It started 3 months ago . . . the engine was overheating and the belt was shredding. I bought a belt...


is the a/c working ok??? shredding the belt may be cause by the a/c compressor problems. the "chunk" maybe not, but shredding tells me something does not spin when it should. I dont know why the mehanic put a new pump on that had a problem with the pulley, it should be smooth. anyhting that the belt runs should be smooth and east to turn, make sure that all of the grooves are clean, no remnants of the old belt.

Oct 20, 2009 | 1999 Mercury Sable

1 Answer

I dont have a diagram to run serpentine belt to a toyota camry 03


Hi

Replacing Serpentine belt on a Toyota camry 2003—


Step 1--Examine the belt placement of your Toyota Camry fan belt so that you will remember how to put it back once you have removed it. Refer to the vehicle owner's manual for further information. Locate the pivot bolt on the front passenger side of the engine. Loosen the pivot bolt with a socket wrench.


Step 2--Loosen the adjustment locking bolt that is just below the tensioner pulley with a socket wrench, and then loosen the tensioner pulley to allow the belt to move free.


Step 3--Check the belt for any signs of cracking or irregular wear, so you can fix any problems that may exist with the pulleys. Remove the fan belt from the pulleys on the engine and take it out of the engine compartment.


Step 4--Wrap the new fan belt around each of the pulleys the same way it came out. When you have the belt in place, tighten the tensioner pulley with a socket wrench.


Step 5--Tighten the adjustment locking bolt and the pivot bolt with a socket wrench, and then look over the engine to check that everything is back in place.


Step 6--Turn the vehicle engine on and watch it for a few minutes to verify that everything is operating properly, then turn the engine off.


Please refer to these links for serpentine belt diagrams—

Serpentine belt on a Toyota camry Link 1

Serpentine belt on a Toyota camry Link 2

Please do accept the solution and revert for further assistance.

Thanks
Rylee

Jul 13, 2009 | 2003 Toyota Camry

1 Answer

Serpentine belt slips off idler pulley


The A/C pully is supposed to spin freely until the AC is activated to run.. The cranshaft pully does not. Replace the tensioner pully. The belt has to fit in between the grooves on the pullys.

Apr 05, 2009 | 1994 GMC Suburban

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