Question about 1996 Pontiac Bonneville SE CA Value

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I need to change serpentine belt on 1996 pontiac bonneville but the engine mount preventing me from getting belt on the lower pulley

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You can remove the inner splash sheid inside the passenger wheel well and access the lower pulley.

Posted on Mar 07, 2009


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Replace v-ribbed belt

Use a long wrench on the tensioner pully nut (located in the center of the pulley) Move the wrench to removed tension from the idler (this is spring loaded to maintain constant pressure on the belt) once that is done, the belt should be able to slid off the alternator pulley. With the belt removed from the pulleys, you will have to remove the engine mount bracket to be able to replace it. To do this first support the engine, then remove the bracket. You will then be able to remove the serpentine belt. Look under the hood for the belt routing diagram and re-install the belt, followed by the engine mount.

Feb 12, 2012 | 1998 Pontiac Bonneville

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My existing serpentine belt travels around a bracket mounted to the engine to the side of wheelwell. Is it on the correct way? do i need to remove engine mount to remove my serpentine belt?

No you do not have to remove engine mount. There is an idler pulley located to the left of the alternator mounted on the top of the engine. In the middle of this idler pulley/belt tensioner is a 5/8" Bolt. Put a socket on it, turn it away from the belt and slide the belt off. It looks like you have to remove the mount but you will see you do not. A belt routing diagram will help you put it back on. You can draw it yourself before you take it off.

Jan 11, 2011 | 1997 Pontiac Bonneville

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How to change the serpentine belt. a diagraham

Welcome to Fixya

Here's the procedure on how to replace the serpentine belt. I am sorry if cannot provide you the diagram.

1. Open the hood and locate the serpentine belt routing diagram. The diagram is on a sticker originally adhered to the fan shroud or the underside of the hood for easy referral when replacing the belt. If the sticker is no longer on the Pontiac, you'll need to get one either from your local Pontiac dealer, in the Pontiac's specific service manual or online. Or you can draw a diagram of your Pontiac's pulleys and belt, showing how the belt routes around the pulleys.
  • 2 Insert the tip of the belt tensioner tool into the corresponding notch on the serpentine belt tensioner. You can locate the tensioner by looking for a pulley located at the end of an arm. This arm and pulley assembly is the tensioner.
  • 3 Pry the tensioner arm away from the belt face with the tensioner tool. On some Pontiacs you can substitute a large socket wrench, but the risk of damage to the tensioner increases greatly with the socket wrench. The price of a tensioner tool is far less than that of a new tensioner, so avoid the socket wrench and buy the proper tool at your local auto parts store.
  • 4 Push the belt off the tensioner pulley with your free hand and slowly move the tensioner back to its relaxed position. Pull the tool out of the tensioner and set it aside for now.
  • 5 Pull the belt off all the pulleys and lift it up out of the engine well. Depending on the year, make and model of Pontiac you are working on, you made need to access the lower pulleys from below the engine well or through the wheel well to get the belt out.
  • 6 Stretch both belts out to full length to make sure the new belt and old belt are nearly identical in length. The new belt should measure less than an inch shorter than the old one. This is due to some stretching the old belt received during its lifespan.
  • 7 Route the new belt around the pulleys, beginning with the crank pulley and working your way up until the tensioner pulley is the only one left. Make sure to consult the routing diagram frequently during this step. If you route it improperly, you will have to either take it off and start over, replace whatever component this damages from the improper routing, or seek first aid for the injuries you suffer.
  • 8 Plug the tensioner tool back into the tensioner body and lever the tensioner pulley away from the belt path once more. Pull the belt over the tensioner pulley and hold it there with your other hand as you slowly release pressure on the tensioner. Take the tool out when done.

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    Dec 08, 2010 | 2005 Pontiac Bonneville

    1 Answer

    Need to replace serpentine belt on 96 pontiac bonneville don't have diagram on how to put it on pulleys, and motor mounts are in the way how do i do it?

    On Bonnevilles (1996 SE ), the belt is routed around the front engine mount to get to the air conditioner accessory. Once you turn the tensioner counter-clockwise using I believe 5/8" socket with a 1/2" drive breaker bar, so you have good leverage, you can remove the belt from the accessories. The front engine mount has three legs that connect to the front of the engine (on the passenger side of the car). You have to unscrew the lowest of the three mounting points (easiest done from the under side of the car, with the plastic shielding moved out of the way), which is right next to the crankshaft pully. Then there is a round tube spacer in between the engine block and this leg of the engine mount that you take out, and you can pull the belt out through there.

    Nov 28, 2010 | 1996 Pontiac Bonneville SE CA Value

    2 Answers

    I need a serpentine belt diagram for a 1997 pontiac bonneville se 3.8L - no turbo

    0900c152800b19a9.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 8: You can use a box-end wrench on the pulley nut to rotate the tensioner ...

    0900c152800b19aa.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 9: ... then remove the belt from the pulleys

    0900c152800b19ab.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 10: Serpentine drive belt routing and removal - 3.8L (VIN L) engine shown, VIN C similar

    0900c152800b19ac.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 11: Make sure to note the drive belt routing prior to removing it - 3.8L (VIN K) engine shown

    0900c152800b19ad.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 12: Drive belt removal on a 1992-95 supercharged engine
    To install:
    Be sure the belt is aligned into the proper grooves of the accessory drive pulleys.
    1. Lift the tensioner, and install the belt onto pulleys. Make sure the belt is routed properly.

    0900c152800b19ae.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Fig. 13: Many vehicles have a label you can check to be sure the belt is installed and routed correctly
    1. For 1996-99 vehicles, raise and safely support the vehicle. Install the engine mounting bracket lower spacer, stud and nut.
    2. For 1996-99 supercharged engines, perform the following:
      1. Attach the connector to the crank sensor.
      2. Install the right-hand splash shield, then carefully lower the vehicle.

    3. Install the belt guard or reservoir.
    4. Connect the negative battery cable.

    Nov 18, 2009 | 1997 Pontiac Bonneville

    2 Answers

    How to change a serpentine belt on a 97 buick lasabre?

    1. Remove the belt guard or coolant recovery reservoir as required.
    2. For 1996-99 supercharged engines, perform the following:
      1. Raise and safely support the vehicle.
      2. Remove the right-hand splash shield.
      3. Remove the connector from the crank sensor.
    3. For 1996-99 vehicles, remove the engine mounting bracket lower nut, stud and spacer. Carefully lower the vehicle.

    CAUTION To avoid personal injury when rotating the serpentine belt tensioner, use a tight fitting wrench that is at least 24 in. (61cm) long.

    1. Take note of the belt's routing. Lift or rotate the tensioner using a suitable sized breaker bar in the square opening or box end wrench on the pulley nut. Remove the belt from the pulleys.
    You can use a box-end wrench on the pulley nut to rotate the tensioner ...

    ... then remove the belt from the pulleys


    Aug 29, 2009 | 1997 Buick LeSabre

    1 Answer

    Serpentine belt cant figure out how it goes on and it has a supercharger as well need the diagram

    I have a 97 Bonneville, you have to undo the passenger side engine mount. No joke.

    Apr 12, 2009 | 1994 Pontiac Bonneville

    2 Answers

    Serpentine belt diagram for a 2001 Pontiac Bonneville SSEI

    these motors have two carrier pulleys and oone tensioner. lookinjg at the motor from the rightside of car the belt goes as follaws: crank pully to super charger from the left. the right side goes up to the lower carrier which will have the flat of the belt riding on it. from there the belt routes to the upper carrier
    [ loop it over so the grooves ride
    ] and then under the tensioner any questions contact

    Mar 13, 2009 | 2001 Pontiac Bonneville

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