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Jul 2, 2014 - Uploaded by nivekoch
How to Replace serpentine belt 2008 Nissan Altima In this video i'll be going ... 2005 Nissan Altima 2.5L serpentine belt tensionerreplacement ...
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.
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.
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.
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.
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.