Question about 1991 Chevrolet Cavalier

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I can't get my serpentine belt back on after changing my alternator. What do I do now?

Posted by Anonymous on

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  • Chevrolet Master
  • 14,036 Answers

IF YOU HAVE BELT TENSIONER YOU LOOSEN BELT TENSIONER PIVOT BOLT AND ROTATE THE TENSIONER TO REMOVE THE BELT.THEN REMOVE ALTERNATOR.THE V - BELT DRIVE YOU HAVE TO LOOSEN THE MOUNTING BOLTS.PUSH THE ALTERNATOR INWARDS TO AND SLIP THE DRIVE BELT OFF THE ALTERNATOR PULLEY.IF YOU REMOVED THE ALTERNATOR FROM THE IMFORMATION ABOVE.YOU SHOULD BE ABLE TO GET DRIVE BELT BACK ON.

Posted on Jul 10, 2010

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  • Expert
  • 270 Answers

Hi Friend:

#1) On your vehicle you have a Serpitine Belt tensioner ,your Serpitine Belt runs on this also;

#2) Locate your Belt Tensioner its (Aluminum) and is Spring Loaded to kep your Belt at the Proper Tension.

#3) On the front side of the Tensioner there is a Bolt Head, Get a Breaker Bar ,Correct size Socket or(Ratchet and Socket)

#4) With the tool on the bolt head the Tensioner will move by applying pressure to the Tension.It will only move 1-Way when applying Pressure with Your Tool.

#5) By Moving the Tensioner you will be getting enough Slack that you Can Put the Belt Back on.

#6) You should have a Belt Routing Diagram on your Cooling Fan Shruod or the Frame in Front of it.

#7) Just take a Good look at how the Belt HAS to Be Routed it will only work 1-Way.

#8) So Follow the Diagram for Routing and you should have no Problems. Don't Forget it Will not Go on Correctly until you Apply perssure to your Belt Tensioner.

Please let me Know how well i have Assited you.By voting .And a Testamony would be Appreciated.

Thanks for Using FIXYA from; d_hubbs

Posted on Jul 10, 2010

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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: need a belt diagram


Not sure where I got this, but hope it helps.999522a.jpg

Posted on Jan 28, 2009

soc21610k
  • 215 Answers

SOURCE: trying to change alternator on 2004 chevy silverado 4.3

There should be a tension pullie that you put a wrench on and turn it and the pullie will kind of fold back on a spring so you can remove the belt

Posted on Jun 05, 2009

paddiwack
  • 22 Answers

SOURCE: Changing a 1991 Mazda Protege Serpentine Belt

You've got to loosen the mounting bolt first, which is located behind the pulley itself. Rotate the pulley until the large opening allows access to the bolt, then use a socket with a narrow head to turn the bolt, just until it starts to turn freely.
Then there are two locknuts on the adjuster; one right near the mounting bolt and one underneath towards the middle of the pump. Loosen both of those, and then *finally* you'll be able to turn the adjusting bolt that faces the front end of the car on the end of the adjuster arm. It's a long bolt; just keep turning that thing until the belt loosens enough to come off the pulley.
Best of luck!

Posted on Jul 14, 2009

  • 95 Answers

SOURCE: replacing serpentine belt on 1991 mustang 5.0

Are you using the old belt or a new one? Just make sure the belt is the right one. There is only one right way to route the belt. There should be a diagram of the belt routing on the fan shroud or hood. If you can't find it, I've had some luck doing an internet search for the right routing diagram.

Posted on Sep 19, 2009

  • 31 Answers

SOURCE: i need a diagram of

There should be a diagram under your hood on the radiator support.

Hope this helps

Posted on Aug 07, 2010

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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.
  • 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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    To replace the alternator in your car:
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    Pull the serpentine belt tensioner away from the serpentine belt with the serpentine belt tool far enough to allow you to dislodge the belt from the alternator pulley with your other hand.
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    Unbolt the alternator from the alternator bracket with your socket set. Lift the old alternator out of the bracket by hand.
    Compare the old alternator to the replacement alternator before installing the replacement. Make sure they're both physically identical before continuing. If not, take them both to the parts store to match up a proper replacement.
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    IF IT IS ON THE OUTSIDE OF THE OTHER BELTS, ALL YOU HAVE TO DO IS UNBOLT THE TOP OF THE ALTERNATOR, AND PUSH IT IN TO LOOSEN THE BELT FOR REMOVAL! IF IT IS IN BACK OF THE BELTS (ESPECIALLY A SERPENTINE BELT) YOU'LL HAVE TO REMOVE THE SERPENTINE BELT FIRST! THERE WILL BE A TENSION PULLEY HOLDING THE BELT TIGHT! YOU'LL NEED TO USE A WRENCH TO PULL THE TENSION PULLEY TOWARD YOU TO LOOSEN BELT! WATCH HOW YOU REMOVE IT, BCUS YOU'LL NEED TO PUT IT BACK ON THE SAME WAY! THEN REMOVE, AND REPLACE THE ALTERNATOR BELT AS BEFORE, THEN REPLACE THE SERPENTINE BELT!

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    1. Turn off the engine and place the transmission in park (automatic) or first gear (manual). Engage the parking brake and open the hood. Disconnect the negative cable from the battery terminal using the battery terminal wrench.

    2. Remove the serpentine belt by inserting the end of the serpentine belt tool into the square hole on the belt tensioner and rotating the removal tool clockwise. Unplug the alternator's electrical connector. Remove the bolt holding the positive voltage cable to the alternator using a 3/8-inch ratchet and a metric socket. Remove the positive voltage cable from the alternator.

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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.

  • 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.

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    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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    How do you change the serpentine belt


    Ignore the first post then, i just saw this one afterwards which you clarified it being the serpentine belt. In which case, you need to find the alternator. Found it? good! now check the bracket holding the alternator in place, there should be a bolt on there that holds it tightly to some sort of track allowing you to change the angle the alternator is sitting at. That one is the adjustment bolt that allows you to tighten or loosen the serpentine belt. On those years, GM used the alternator to bind the belt to save money on design. So just loosen the bolts on the alternator, bring it up to loosen the belt (you might need a prybar to help you move it), BUT BEFORE YOU TAKE THE BELT OFF, make a diagram of the belt routing, cause once its off if you don't have oneon hand, putting a new belt back in can be pretty tricky since there are many curves it needs to take and can seem to be in the right place on either side of the pulleys, but it will end up being too tight of too loose.

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