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2008 chevy impala routing diagram and the location of the tensioner, how to replace surpentine belt for this type of car

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Timing belt routing diagrams for cars and trucks? Click the link below:---

Drive belt routing diagrams for cars and trucks? Click this link below:---

Posted on Oct 31, 2011


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Need a diagram for routing a serpintine belt for a 2007 chevy impala lt with 3.5 L 3500

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Adjust belt tension

Ypur Ford has a self adjusting (non-adjustable) belt tensioner. If the belt is from 2008, you wouldn't go wrong replacing it. However, if it is really loose, either your tensioner spring has crapped out or the belt has been routed incorrectly. A diagram under your hood should show the proper routing of the belt. Good luck.

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Replace serpentine belt

There is a diagram on your vehicles fan shroud in the engine compartment showing the route of the belt. One of the pulleys in the route of the belt is actually spring loaded, the front of which will have a square hole for inserting the drive of a socket wrench. Insert wrench in pulley crank to release tension, route new belt as outlined in diagram release tension once belt is on and you should be good to go.

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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 '

    Sep 21, 2011 | 2003 Chevrolet Impala

    1 Answer


    Surpentine belts have a automatic belt tensioner. You can identify it easily. It will have a wheel attached to an arm which goes to and is mounted to the front of the engine. This automatic tensioner moves. Look on the front portion of the wheel connection to the arm. Is there a square 1/2-inch cavity? A 1/2-inch ratchet or breaker bar or surpentine belt remover bar can be inserted. Pull or Push this rotating it Up or Down (DON'T FORCE IT) Move it only inthe Direction it will move.
    The Belt Diagram should be located on the underside of the hood or on the covering near the radiator.

    Dec 31, 2009 | 2008 Dodge Avenger

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    How to replace surpentine belt

    Unless you have a little experience working on cars this could be tough. There should be a picture of the belt routing somewhere under the hood. The tricky part is the tensioner, it has to be pulled up to get the old belt off and the new one on. It should have a square hole in it, I use a 3/8 drive long handled breaker bar to fit in the hole and pull up on the tensioner.Have patients and good luck.

    Oct 12, 2009 | 2005 Pontiac Montana SV6

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    Surpentine belt routing diagram for 1999 vw beetle

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    Alternator belt

    Hi there. If the belt is frayed I would replace it or it probably wont last long. Under your hood should be a belt routing diagram that shows exactly how the serpentine belt has to be routed. Start at the bottom and try to end at the top by the alternator when routing. You have to depress the belt tensioner by placing a wrench on it and rotating it back to get the last bit of play you will need in the belt to get it over the alternator pulley. Its hard to push because its spring loaded so its easier to have a buddy slip the belt on the last pulley well you hold the tensioner back. Just trying to remember here, but I think the belt tensioner is pushed counter clockwise to release and is a 13, or 15 mm wrench. Hope this helps.

    Mar 15, 2009 | 2005 Chevrolet Impala

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