Question about 2003 Nissan Sentra

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GET TENSION OFF THE IDLER PULLEY

HOW DO YOU GET TENSION OFF THE IDLER PULLEY TO TAKE OFF THE ALTERNATOR OFF THE NISSAN SENTRA 2002

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  • Anonymous Mar 13, 2014

    recently had alternator A/C tensioner pulley and idler pulley replaced along with the fuel sender unit. Afterwards the vehicle started jerking while I was driving. Also after stopping for traffic light the vehicle surged forward upon starting again. What could be the cause of this?

  • Anonymous Mar 16, 2014

    idler puller torque on a 2002 ranger 3.0?

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Loosen nut in center of idler pulley ..then loosen tension bar with 12mm socket til it walks away to remove belt

Posted on Jan 14, 2009

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1 Answer

Nissan Sentra 1.8L tensioner pulley removal


loosen the alternator slide it forward to the point where you slip the belt off . then you take a 14mm wrench or socket to turn the center bolt in the pulley counterclockwise till it comes off . reverse t6he process to put thwe new one on.

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How to tighten belt on 2004 nissan quest


Best to remove the front passenger side wheel. Then snap out the clips that are holding the plastic cover towards the front. Now it will expose the belt area. Loosen the locking nut of the tensioner(idler) pulley located to the right of the Crankshaft Pulley. Crankshaft pulley is the one that handles both belts (alternator and the power sterring pump). Right to that next to it, upwards is the idler pulley. You will find the alternator pulley to the right of that further up. Open the hood of the van and locate the adjusting nut behind the alternator on the idler pulley from top and loosen that as well. Once both these are loosened, belt will loosen and will be easy to remove. Now replace it with the new belt the same way it was wrapped. Go over the crankshaft pulley; under the A/C compressor pulley; over the alternator pulley; under the idler pulley. tighten the adjusting nut from the top through the hood until the play on the belt (when pressed in) is less than 1 inch. Now lock the tensioner pulley by tightening the locking nut. Start and run the car for 15 mins to see if everything is ok.

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2 Answers

I'm working on Serpentine belt for a 2006 Nissan Sentra 1.8 with A/C. I am turning the idler pulley clockwise to release tension, but it doesn't seem to be working... I can feel the center idler bolt...


The idler tensioner might be bad. Can you get to move counter-clockwise at all either? The tensioner has a large heavy spring mounted in a pot-metal housing, so tensioners often go bad. Might be an idea to remove the tensioner and take a look at it.

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1 Answer

Need to remove the drive belt on a 2000 Sentra


is there two belts on this car one for the alternator and a/c, and then one for the p/s. the one for the alternator look down from the alternator you will see a stand alone pulley not mounted to anything this is the tensioner/idler pulley loosen the nut on the pulley and then you will see an adjustment screw coming off of it turn it in and this loosens the belt up.

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there is an 8mm bolt right under the alternator. loosen that up then loosen the bolt on the idler pulley and itll come right off

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That should be right if it is an idler pulley. On belts that do not have idler pulley you will have to loosen lock bolt on adjuster. Like alternator

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1 Answer

Belt replaement


Sorry, with or without power steering ? Have look at this link.Scroll down to find yours, then click on picture to expand/explode for better view if needed. If it's got the idler pulley, you'll have to get a wrench on it and relieve tension, while putting belt back on. Careful, make sure wrench is all way on bolt.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152801afa93

Jan 04, 2009 | 2005 Nissan Sentra

1 Answer

How do I replace a serpentine belt for a 2001 nissan sentra.


Hi gj,

It's easy and you won't need a prybar.

  • Get a 14mm or 9/16" socket and a long handled ratchet or breaker bar.
  • For putting the belt on: Get the belt around all the pulleys except the A/C compressor or Alternator.
  • The tensioner pulley is on a spring loaded 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
Mike

Nov 23, 2008 | 2001 Nissan Sentra

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