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Altenator belt keeps breaking - Cars & Trucks

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Then your tension must be too great and your alignment poor. Use a square to help align the pulleys after the next belt is put on. See if you can get a kevlar belt.

Posted on Nov 29, 2013

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Posted on Jan 02, 2017

keemo68
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SOURCE: Problem with Altenator belts Etude

the problem is not the altenator. you should have a idler pully and a self adjusting idler tensioner. if thes e go bad the bearings tend to seize up and break belts i would check these first chance you get the tensioner should be spring like and be hard to move back and forth the pulley part of it should spin freely with out makeing a noise. please rate this

Posted on Sep 01, 2008

mcalkins3
  • 123 Answers

SOURCE: altenator belt breaking

Is this a single serpentine belt system or a V belt with 2 or more belts running the accessories? There is an alignment issue, another bad accessorie or bad bearing (quite possibley the new alt) or as mentioned a bad idler ( if a serpentine belt setup)

Posted on Sep 24, 2008

  • 1 Answer

SOURCE: i have had a 1982 280zx since jan. of 2009 the

I found out that I have a altenator pulley that is not the original pulley. After 6 belts I found that I needed an A belt...put it on...it sits down in the pulley instead of riding on top of it...got the altenator tightened up and 500 miles later it's going fine.I think I got it this time...knock on wood.

Posted on Feb 23, 2010

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there should be an idler pulley that also adjust the tension the tool usually used is a 3\8 or 1\2 ratchet

Jun 05, 2010 | 2000 Lexus ES 300

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if it is the top belt it is ac . you can take it off .you will not have ac . the bottom belt is power steering and altenator , you be walking soon after it breaks.

May 16, 2010 | 1987 Nissan 300ZX

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Change moter alt belt keeps breaking


Hi the altenator belt? if it keeps snapping then your altenator is rather starting to seize up or its not fitted correctly, normally if its squeking its to loose.

Spin the altenator by hand and see what it sounds like, if its hard to turn or noisey that the fault.

hope this helps.

Jan 16, 2010 | 2000 Kia Sephia

2 Answers

I have had a 1982 280zx since jan. of 2009 the


Are you over tightening the belt? If I remember correctly, you should have 1/4" belt deflection after you tighten it.

Check the factory service manual: http://www.xenons130.com/reference.html

Hope this helps!

Todd in Idaho

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'83 280ZXT
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Nov 03, 2009 | 1983 Nissan 280ZX

2 Answers

I replaced my altenator a week ago. Now my power


There are several possibilities.
1. power steering pump locked up or locking up (extremely low fluid could cause this)
2. a random pully could have locked up and caused the belt to break, resulting in a loss of power steering.

Hope this helps

Sep 29, 2009 | 1997 Hyundai Elantra

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2005 highlander battery light on after changing to new battery. Maybe alternator is bad already.


Hey there,

I gather the old battery was replaced because it was dead or dying.

Was the battery light on for that one too?

Is the belt around the altenator good?

Cables good? No breaks or frays?
Connectors clean and tight?

If you have a multimeter and are comfortable working under the hood with the engine running, you can check the altenator. Black wire to ground (any bare metal surface or the negative battery terminal) There is a single wire on the rear of the altenator. Red to this one.

An alternative:
Most auto parts stores have the facilities to do a bench check on your altenator. I recommend auto parts stores over a shop because their ulterior motives are trying to sell parts not service. They are less likely to 'Discover a Problem' that previously had no symptoms.

Also keep in mind, just because a battery is new, doesn't mean it's necessarily good. They can sit on the shelf for months, be dropped, whatever. The auto parts store can also perform a 'Load Check'. Voltage is one thing. A load check simulates the draw of a starter. No black magic, it's either Pass or Fail. Fail means replacement.

Hope this helps
Mike

Aug 09, 2009 | 2005 Toyota Highlander

2 Answers

Alternator belt


I had the same problem, repeatedly for more than a year. Turns out that the first time the belt broke and was replaced, something in the piece that the belt raps around was moved very slightly out of line. The mechanic told me that the piece has to eb calibrated perfectly; otherwise the belt will keep loosening and breaking. The piece--I think it was the bracket (or whatever) on the water pumpt that holds the belt onto the pump--was reclaibrated, and, voila! No further problems, at not yet.

Nov 01, 2008 | 1998 Mazda Protege

1 Answer

SERP BELT KEEP BREAKING EVERY 30 MILES


For the belt, did you have it on perfectly? If it's off one ridge, it will wear out and brake that quickly. If you did have in on perfectly, there might be a stuck pully someplace. Can you spin all pullys easily? Execpt for the crank that is of course. If not, that pully is causing the problem or I should say what ever the pully is attached too. Like altenator, steering pump, etc... As for the no start, I assume you mean it's not cranking over? I'm making sure, no offense intended. It was running fine then you shut it off, it wouldn't crank? If so, sounds like the problem with altenator. Which if it's siezed, never seen one though, it could be the problem for BOTH of your problems.

Sep 25, 2008 | 1991 Cadillac DeVille

1 Answer

Altenator belt breaking


Is this a single serpentine belt system or a V belt with 2 or more belts running the accessories? There is an alignment issue, another bad accessorie or bad bearing (quite possibley the new alt) or as mentioned a bad idler ( if a serpentine belt setup)

Sep 23, 2008 | 2004 Kia Optima

1 Answer

Problem with Altenator belts Etude


the problem is not the altenator. you should have a idler pully and a self adjusting idler tensioner. if thes e go bad the bearings tend to seize up and break belts i would check these first chance you get the tensioner should be spring like and be hard to move back and forth the pulley part of it should spin freely with out makeing a noise. please rate this

Sep 01, 2008 | 1999 Mazda 626

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