car repairs


Question by  yongge (17)

How do I replace a serpentine belt on a Nissan Sentra?


Answer by  NateB (571)

You need to locate the tensioner pulley. Using a socket wrench, pry on the bolt in the center of the tensioner pulley to aleviate the tension on the belt and remove the belt. To install the new one do the same thing, making sure the belt is installed the same as the old one was.


Answer by  Atomicrayon (2504)

It's a pretty strait forward process although a messy and greasy one. You'll need the proper sized belt which can be purchased from any autoplace. Get a rag.


Answer by  Samhane (703)

Use a serpentine belt tool or a 3/8 or 3/4 ratchet and attach it to the tensioner pully. Turn the tensioner and the belt will loosen. Replace belt and tighten.


Answer by  champaign9497 (11977)

Go to your local parts store and purchase a new one then when you bring it home there is a bolt on the top of the motor and one on the bottom you haveto losen then you can take the old one off and put the new one on but remember to re tighten the bolts when your done.


Answer by  Jsands1982 (871)

Depending on the year of the vehicle. You either got loosen the alternator top and bottom bolt to release the belt or if equipped use the belt tensioner to loosen.


Answer by  Amber40 (24961)

Well if you have a serpentine belt then all you should have to do is loosen the tensioner and slip off the old belt and slip on the new one.


Answer by  laura27 (1216)

You'll have to find the tensioner pulley in which you'll need a socket wrench and pry on bolt in center on the tensioner pulley that aleviates tension on belt. To get belt off. To put new one reverse instructions from how you took it off the first time. Consult a professional mechanic if you don't know how to fix it.


Answer by  worker8388 (994)

Remove the lock nut. Loosen the adjustment bolt by turning counter clockwise to remove the belt. Install the new belt and make the belt seated correctly. Tighten the lock nut.


Answer by  Anonymous

You tube has a video that has more information than you can get on here. Nissans are more complicated and all this information is for the common car. Check it out, just type in the you tube search engine, "Nissan Sentra Serpentine belt".


Answer by  Steven (309)

You need to loosen the tightening pulleys so that there becomes more slack in the belt. You are then able to slide the belt off and replace it. Once this is done, retighten the tensioner pulleys

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