Question about 1996 Volkswagen Jetta

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Need to install new serpentine belt on 96 Jetta 2.0

The serpentine belt broke and I'm not sure about the tensioner set up. It looks like the alternator is on some kind of pivot deal along with the pully.

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  • bestfam4 Dec 07, 2008

    Got the tensioner figured out. No diagram under hood. Need to know if the v-belt driving the power steering pump needs to be removed.

  • bestfam4 Dec 07, 2008

    Yes the belt is in the way. Do you have any clue about the diagram.

  • bestfam4 Dec 07, 2008

    Got the power steering belt under control. We'll try the serpentine till it works. Thanks

  • mike gabriel
    mike gabriel Jan 09, 2009

    what bolt do i loosen for power steering pump besides the bolt with a star, to install v-belt


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That is your belt tensioner!! You pull that back when you are gettin ready to finnish putting your belt on the last pulley!! Follow diagram under hood for your specs on motor!!

Posted on Dec 07, 2008

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  • Nathan Rankin
    Nathan Rankin Dec 07, 2008

    While your trying to put the belt on does the v-belt get into your way!! If im not mistaken you should not have take it off, but some of those models did have the v-belt in front of the serptine!! Please keep me informed! THNX

  • Nathan Rankin
    Nathan Rankin Dec 07, 2008

    well the v-belt is not that hard!! jus loosen the power sterring and pull it back on the bracket and then remove belt and then install your serptine belt and then reinstall you v-belt!! Check the owners manual and if you dont have one the try auto zone and see if they have a repair manual for your car and should have the correct pattern for your application

  • Nathan Rankin
    Nathan Rankin Dec 07, 2008

    let me know if you need anymore help!!


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How to replace a alternator for a 1999 Toyota Tacoma SR5

Before starting this project, make a small investment and buy a "battery maintenance and compute memory keeper". It costs anywhere between $8-$12. You can get them at any local auto part stores.

One end has a plug to attach a 9-volt battery to; the other end has a plug that fits into the cigarette lighter outlet.

I've included a photo of one particular type- there are others, this style will suffice- effective and inexpensive.

After attaching a fresh 9-volt battery to the battery terminal end of this device, plug the other end into the cigarette lighter outlet.

The purpose of this device is to maintain voltage continuity to the car's computer- namely, the Engine Control Module [ECM]; clock and radio's pre-set memory since you will have to disconnect one of the car's battery cable.

NOTE: Please remove any jewelery before working on the car's electrical system or its components to avoid any electrical shorts, shocks, or burns.

1.) Remove the negative battery cable from the battery terminal with a wrench or socket and ratchet. CAUTION: Please use safety glasses and gloves for this procedure...and NEVER allow metal objects, like the tools you are using, to touch both battery terminals at the same time.
Please wrap the negative battery connector with a shop towel to prevent accidental connection while you work on removing the alternator.

2.) In this step, you only want to loosen the serpentine belt tension bolt from the bracket located on the top of the alternator with a socket and ratchet. Loosen the alternator pivot bolt located on the side of the alternator and then loosen the bottom locking bolt located on the bottom of the alternator. DO NOT REMOVE ANY OF THE BOLTS IN THIS PROCEDURE.

3.) Push the alternator downward. This makes the alternator pivot on the pivot bolt and releases tension on the serpentine belt. Lift the belt off the pulley on the alternator.

4.) Disconnect the wring harness connected to the alternator by pushing in on the locking tab and then by pulling upward on the harness. Remove the bolt that holds the harness clip to the alternator with a socket and ratchet.

5.) Now you can remove the tension bolt, alternator pivot bolt and the lower locking bolt and pull the alternator out of the engine bay.

6.) Place the new alternator in the engine bay and thread the tension bolt, pivot bolt and lower locking bolt in with your fingers. DO NOT TIGHTEN THEM DOWN.

7.) Reconnect the wiring harness to the new alternator and secure the harness with the bolt you previously removed in step 4.

8.) Place the serpentine belt back onto the alternator pulley. Make sure the belt lines up with the rest of the engine's pulleys and are seated properly.

9.) Place a crowbar between the casing of he alternator and the mounting bracket and force the alternator upward to create tension in the serpentine belt.

10.) Place a crowbar between the casing of he alternator and the mounting bracket; with firm and equal pressure, pry the alternator upward to create tension on the serpentine belt.

11.) Tighten the tension bolt [32 ft. lbs.] with a torque wrench while mainlining tension on the belt.

12.) Tighten the pivot bolt [32 ft. lbs.] and the lower locking bolt [32 ft. lbs.] with a torque wrench.

13.) Make sure the alternator belt is not too tight. There should be about a 1/2 centimeter of deflection when pressure is put on it from the side.

14.) Reconnect the negative battery cable to the battery terminal.

15.) Before starting your vehicle up, take a voltage reading across the two battery terminals; you want to make sure the battery is fully charged (12+Vdc). If not, place the battery on a charger for about an hour.

16.) Check for a fully charged battery by taking another voltage reading. You should have a reading anywhere between 12.4Vdc or 12.7 Vdc.

17.) Perform a load test using a load tester- take another voltage test- if the battery cannot hold the charge or the load tester read-out tells you the battery is poor; replace the battery. If you don't you can push the new alternator to run too long and you can end up burning it out.

18.) Start the motor, and check for abnormal noises. If there is any slipping or whining noise coming from the belt, it is too loose. STOP THE ENGINE and then re-tighten the belt.


Oct 31, 2013 | 1995 Toyota Tacoma


Get that Serpentine belt back on

Your fan / serpentine belt broke, or you just replaced your alternator, A/C compressor, water pump or Power steering pump. The last thing to do is get that belt back on. And it's playing hard to get.

This is for you. It's easy and doesn't require a prybar. Here's how:

  • Get a 14mm or 9/16" socket and a long handled ratchet or breaker bar.
  • Get the belt around all the pulleys except the A/C compressor or Alternator.
  • The tensioner pulley is near the Alternator toward the center of the engine. It's on a spring loaded 'tensioner' arm. Get your socket on the center nut of this pulley.
  • Slowly pull the ratchet toward the center of the engine. The pulley will pivot on the arm allowing you to get the belt on the final pulley.
  • Slowly release the tension.
  • You're done
The same technique is used to get the belt off

on Dec 04, 2009 | Toyota ECHO Cars & Trucks

1 Answer

Renaultkoleos 2009 were is the tatening fan belt situeted

I shouldn't answer, as I know nothing of this model, but in the event you don't get a better answer, here's a little tip or two. You said fan belt, so I will assume you don't mean a serpentine belt with it's separate tensioner, and the alternator usually set in a fixed position. When a fan belt runs an alternator, the alternator may be set in an engine bracket where it is adjustable by having an adjuster bolt and a pivot bolt, usually set opposite each other on the alternator bracket. To loosen the belt you loosen both the adjuster bolt and the pivot bolt, then the alternator can swing in closer to the engine for belt removal. The adjuster bolt is usually in a slotted hole so it can travel back and forth- sometimes it has to be removed for the alternator to pivot far enough inward for belt removal. And sometimes the pivot bolt will have a nut on its other end-make sure the pivot bolt is loose enough for the alternator to move.
Now if your alternator is mounted different, there may be another pulley somewhere that will release tension on the belt. But you will have to make that call. If you don't mind my asking, where are you? I live in the state of Montana in the U.S. I certainly haven't seen a renault in many years. I think they stopped importing them over here about 1985 or late '80's anyway.

Mar 19, 2013 | Cars & Trucks

1 Answer

Cant get the serpintene belt back on after replaceing the alternator

The alternator is actually adjustable to increase and decrease tension. Behind the alternator where it mounts, is another bolt that runs along a curved bracket.

Loosen that bolt and you will notice your alternator pivots. It may take some stretching but the serpentine belt will fit over the alternator. Once you have your belt over the alternators pulley, use a pry-bar against the block to adjust the alternator where the tension is tight on the belt, then re-tighten the bolt on the curved bracket so that the alternator remains stationary.

Hope this helps!

Jun 17, 2011 | 2009 Dodge Avenger

1 Answer

How to adjust alternator belt

If it's a v-belt vs. a serpentine belt, then look for a pivoting pulley accessory or idler pulley that can be loosened and tightened as far as the belt is concerned.

Many modern vehicles use a serpentine belt that has a tensioner that has a spring that tightens the belt automatically to the right tension and is released using a 1/2" breaker bar or equivalent.

Good luck on this repair.

Dec 17, 2010 | 1997 Nissan Pickup

1 Answer

The serpentine belt broke on our 1995 Eagle Summit AWD. We are trying to replace it, but are not sure how to loosen the alternator so that it will pivot forward and we can put the belt on the alternator...

Loosen the pivot bolt on bottom of alternator, tensioner slide bolt on pulley side of alternator, then back off the tensioner (which is the long bolt).

Oct 19, 2010 | 1995 Eagle Summit

1 Answer

Belt replacement diagram 2000 mazda mpv

REMOVAL & INSTALLATION Because serpentine belts use a spring loaded tensioner for adjustment, belt replacement tends to be somewhat easier than it used to be on engines where accessories were pivoted and bolted in place for tension adjustment. Basically, all belt replacement involves is to pivot the tensioner to loosen the belt, then slide the belt off of the pulleys. The two most important points are to pay CLOSE attention to the proper belt routing (since serpentine belts tend to be "snaked'' all different ways through the pulleys) and to make sure the V-ribs are properly seated in all the pulleys. Although belt routing diagrams have been included in this section, the first places you should check for proper belt routing are the labels in your engine compartment. These should include a belt routing diagram which may reflect changes made during a production run.
  1. Disconnect the negative battery cable for safety. This will help assure that no one mistakenly cranks the engine over with your hands between the pulleys, and that the cooling fan cannot activate while servicing the belt(s). NOTE: Take a good look at the installed belt and make a note of the routing. Before removing the belt, make sure the routing matches that of the belt routing label or one of the diagrams in this book. If for some reason a diagram does not match (you may not have the original engine or it may have been modified), carefully note the changes on a piece of paper.
  2. For tensioners equipped with a 1⁄2 in. (13mm) square hole, insert the drive end of a large breaker bar into the hole. Use the breaker bar to pivot the tensioner away from the drive belt. For tensioners not equipped with this hole, use the proper-sized socket and breaker bar (or a large handled wrench) on the tensioner idler pulley center bolt to pivot the tensioner away from the belt. This will loosen the belt sufficiently that it can be pulled off of one or more of the pulleys. It is usually easiest to carefully pull the belt out from underneath the tensioner pulley itself.
  3. Once the belt is off one of the pulleys, gently pivot the tensioner back into position. DO NOT allow the tensioner to snap back, as this could damage the tensioner's internal parts.
  4. Now finish removing the belt from the other pulleys and remove it from the engine. To install:
  5. While referring to the proper routing diagram (which you identified earlier), begin to route the belt over the pulleys, leaving whichever pulley you first released it from for last.
  6. Once the belt is mostly in place, carefully pivot the tensioner and position the belt over the final pulley. As you begin to allow the tensioner back into contact with the belt, run your hand around the pulleys and make sure the belt is properly seated in the ribs. If not, release the tension and seat the belt.
  7. Once the belt is installed, take another look at all the pulleys to double check your installation.
  8. Connect the negative battery cable, then start and run the engine to check belt operation.
  9. Once the engine has reached normal operating temperature, turn the ignition OFF and check that the belt tensioner arrow is within the proper adjustment range. Fig. 1: Often the underhood label will display the serpentine drive belt routing 88231p43.gif
    Fig. 2: Relieve the belt tension by pivoting the automatic tensioner away from the belt, then remove the belt 88231p44.gif
    Fig. 3: Verifying serpentine belt alignment in the pulley 79244g60.gif
    Fig. 4: Fig. 1 Accessory V-belt routing (alternator) — Mazda MPV 3.0L engine 79244g67.gif
    Fig. 5: Fig. 2 Accessory V-belt routing (power steering) — Mazda MPV 3.0L engine 79244g66.gif
    Fig. 6: Fig. 3 Accessory V-belt routing (A/C compressor) — Mazda MPV 3.0L engine 79244g65.gif
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Jul 08, 2010 | 2000 Mazda MPV

1 Answer

How to change altenator belt

loosen the bolts on the alternator. One is a pivot point the other slides along the mounting bracket to vary the tension on the belt.

Swing the alternator inward to loosen.
Remove the belt.
Install the new one.
Pull the alternator out to tighten the belt.
Hold in place and tighten the tension bolt.
Tighten the pivot bolt.

Correct belt tension: at the mid point on the belt along the longest run press down. It should move about a quarter of an inch of so.

Mar 07, 2010 | 2000 Hyundai Elantra

3 Answers

Need to install serpentine belt on 1992 geo storm.Is there a tension pulley and how do you loosen it to get new belt on?

Removal & Installation
  1. Except for the 1.8L engine, loosen the pivot and anchor bolts on 1 of the belt's components, then pivot the component sufficiently to release belt tension and remove belt.
  2. For the 1.8L engine, use a 3/8 in. breaker bar or ratchet to pivot the belt tensioner and release the serpentine drive belt, then remove the belt from the pulleys and the vehicle.
To install:
  1. Position the belt over the pulleys.
  2. For the 1.8L engine, pivot the tensioner and install the serpentine belt. Make sure the belt is properly aligned in all of the pulley grooves, then gently pivot the tensioner into contact with the belt. Do not allow the tensioner to snap into position or damage could occur.
  3. Except for the 1.8L engine, adjust the belt tension and tighten the accessory mounting bolts.
Serpentine drive belt routing - 1.8L engine

Adjusting the power steering belt - 1992 and 1993 vehicles

Dec 06, 2009 | 1992 Geo Storm

1 Answer

I need to replace my alternator belt but I have no clue on what to do as far as getting the old belt off to put the new one on

What you have to do is make sure you have a new belt. Then look under the hood, you don't give a year or engine size so some of these directions may or may not apply. Check to see if the alternator belt is the outside belt or if others need to come off first. If needed remove belts that are in the way taking note of routing. If its one serpentine belt take note of routing (there should be a sticker under the hood with routing). Remove belt by loosening the pivot or tensioner. Then replace and set tension. With tensioners the tension is set automatically. If you are not sure what a tensioner is look at the belt, you may want to push or pull on it and you will see a pulley that goes to nothing but is against the belt and will move when you move the belt. To make it easier to remove belt look inside the tensioner pulley and there is a bolt put a socket on it and move as needed to take pressure off belt and remove belt. Take your time and look at the belt(s) before starting. Take notes or draw a picture to help putting it back together. Belts just look hard but are easier than they look.

Oct 12, 2009 | Chrysler LeBaron Cars & Trucks

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