Question about 1990 Nissan Sentra

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Replace the timing belt tensioner on a 1990 Nissan Sentra

I just bought a 1990 Nissan Sentra that needs a timing belt tensioner. Is this easy to replace? How would I do it?

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  • Anonymous Feb 16, 2009

    How do you replace the alternator belt on a 1992 nissan sentra?

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The belt tensioner is located under the timing cover. It is 1 1/2 round and about 3/4 inch with a groove in the middle where a bolt is tightened. When you remove the timing cover you will see the timing belt, the camshaft sprocket and the crankshaft gear. The timing belt goes around these components.. The belt tensioner is loosened and the new timing belt is placed. The sproket also has to be replaced if it is broken. Be careful to notice the little marks that are aligned on the sproket and above the camshaft.. They can be small arrows that have to be aligned exactly the way you took them off. replace the belt and you tighten the tensioner so the belt fits snug and tighten the bolt in the middle of the belt tensioner. It is not too difficult, if you know something about mechanics. If you don't, you will be better of taking it to somebody who does know.

Posted on Nov 14, 2008

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Does the nissan sentra have a timing belt or a chain, and when should it be changed


the nissan sentra has a timing chain which should last the entire life of the car and should not require changing

Feb 23, 2011 | 2002 Nissan Sentra

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How do you know when a belt tensioner is bad


with the engine off grab the belt and push/pull..If belt moves easy then tensionor needs replaced

Feb 17, 2011 | 2007 Nissan Sentra 2.0 SL Sedan

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Need to replace exterior belts


On my 2003 2.5L you have to losen it from the bottom. There is a tension pulley you need to loosen. I needed to take off the bottom shroud to access. I can be done, it's just hard to find.

Mar 24, 2010 | 2003 Nissan Sentra

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Belt replacement procedure on a 1997 nissan sentra gxe


you must locate the belt pulley tensioner and loosen it until you can remove the belt, after you remove replace belt and then tighten tensioner until belt is tight

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1 Answer

1996 nissan sentra


Using a short socket of appropriate metric value, and a pry bar; Push the pry bar toward the firewall to loosen the tension on the belt. It's not that hard once you buck the initial spiral spring pressure of the tensionor. I have even pryed against the tensionor with a blunt heavy bar and moved it enough to free a belt.

Jun 24, 2009 | 1996 Nissan Sentra

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My 1990 nissan sentra has a noisy timing chain when running idle.


Your timing chain tensioner is using oil pressure to stay tight.Could be your oil pressure is so low at idle the tensioner just can't stay tight.At the next oil change you could go for a thicker oil and see if the tensioner keeps the chain tighter at idle.

May 05, 2017 | 1990 Nissan Sentra

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How do I locate tension wheel to replace serpntne belts 04 sentra


The serpentine belt runs everyting under the hood...easiest way to locate the tension wheel is to look at every other wheel that the belt runs to.

Your tension wheel will be where the belt runs without being in a V channel, the tension wheel will be flat..no grooves to accomodate the belt.

Hope this helps

Feb 01, 2009 | 2004 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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