Question about GMC Yukon XL

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I am trying to loosen the belt on the alternator and while I am using a 3/8" rachet and turning it clockwise, there is very little tension being made on the belt. Plus, the air intake cover is in my way. I wonder what I am doing wrong? Any suggestions?

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  • Master
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I suggest you get yourself a belt tensionner tool, it's not expensive and it will take you way less time to do this. available at any part store

Posted on Jan 04, 2011

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Locate the two belts on the left side (passenger side) of your Mitsubishi Lancer. The outer belt is a serpentine belt, operating four pulleys and the inner belt is your alternator belt.

  • 2 Follow the serpentine (outer) belt to the three pulleys lined up vertically near the front of the engine compartment. Locate the middle pulley, which is the tension pulley for the belt.
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  • 5 Install the new alternator belt by placing it over both inside pulleys. Tighten the tension on the alternator belt by moving the alternator back and keeping tension on it by holding it back with a long screwdriver. While the alternator belt is tight, use a socket wrench to tighten up the bolt on the alternator.
  • 6 Place the serpentine belt back on the pulleys and then use a socket wrench on the bolt on the front of the tension pulley. Once the serpentine belt is tight, tighten up the bolt in the middle of the tension pulley.
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    I need to replace the belt. The book says to turn the tensioner counter clockwise. But that does not relieve the tension on the belt. If I turn that tensioner bolt all the way left, does it come off or...


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    chuckster57_27.jpg

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  • 2

    Follow the serpentine (outer) belt to the three pulleys lined up vertically near the front of the engine compartment. Locate the middle pulley, which is the tension pulley for the belt.

  • 3

    Loosen the bolt on the middle pulley with a socket wrench by turning counter-clockwise. Do not remove the bolt, just turn it a couple of times. Loosen the tensioner bolt on the side of the of the pulley, facing the front of the vehicle.

  • 4

    Remove the serpentine belt and then loosen the bolt on the alternator. With the alternator loose, move it forward so that the alternator belt loosens up and then remove belt from the pulleys.

  • 5

    Install the new alternator belt by placing it over both inside pulleys. Tighten the tension on the alternator belt by moving the alternator back and keeping tension on it by holding it back with a long screwdriver. While the alternator belt is tight, use a socket wrench to tighten up the bolt on the alternator.

  • 6

    Place the serpentine belt back on the pulleys and then use a socket wrench on the bolt on the front of the tension pulley. Once the serpentine belt is tight, tighten up the bolt in the middle of the tension pulley.

  • 7

    Start the Mitsubishi Lancer's engine to test the alternator belt and make sure it is working properly. Once you have verified it is working, turn the engine off.

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    I need to change the belt on my powersteering pump.


    there should be a belt tentioner, go to autozone and ask for a component location on the belt tensioner, they will print out a little paper for you showing you the belt routing and wich pulley the belt is being tentioned by, once you spot it, look and see if you will need either a plain 3/8ths rachet or a sized wrench tool, if its a little square then you just need a rachet if its a nut then use a wrench, and just turn it either clockwise of counter clockwise to loosen the belt and thats it.

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    635ca8f.gif
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    Tricks to replacing serpentine belt on 97 jeep wrangler?


    I just replaced water pump on my 97 wrangler, 4 cyl- without AC. Engines with AC are a little different. Since I don't have one, I can't saw how to change the belt--- but here it is for the 4 cylinder 1997 without AC.


    So I had the belt off, and last thing was to put it back.

    A. If you are unsure about memorizing the belt path, make your own drawing. If you are absolutely sure you can memorize the belt path---- make a drawing. Just some circles for each pulley.

    Removing belt. Key mechanical location: The tensioning idler pulley. This adjustable tensioning pulley is on the right, below the power steering pump. It can be moved on a diagonal to tension the belt. The key to moving it is you must loosen the idler pulley mounting screw about two turns.

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    Once tension is off, remove the belt.

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    Bring tension back up with the tensioner screw. Use your thumb to press on the belt on one of the long spans. Under moderate pressure it should move about 1/4 inch.

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    A look at the FSM for the 97 shows:
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    NEW SERPENTINE 800-900 N BELT (180-200 lbs. force) *
    USED SERPENTINE 623-712 N BELT (140-160 lbs. force)

    So if you have a tension measuring tool, then you can check it. If not, I suggest being conservative with tension. If it slips when wet, you can snug it up then. If you make the belt too tight, it wears out the water pump bearings.

    jp

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    Back in 2000 Hyundai did not use automatic tensioners on the 2000 accent. You have to loosen the bolt on the side of the tensioner. Then you turn the other bolt counter clockwise to loosen the bolt which will loosen the tensioner. Then you have to loosen the big bolt that is on the other side of the alternator. You may have to take off your power steering belt to get to the alternator belt. Now do the opposite to install your belt.
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