Alternator not giving out any power? Nissan Altima 2001
My radiator busted right in front of my alternator might have gotten it wet. Its a HO alternator so usually the car would read 14V when turned on. I jump started my car and it reads 11V. I checked the output of the alternator and it reads 11 because of the battery being on the same line. There is no other voltage present even in the connector that clips in to the alternator. Should there be a fuse or something I should check. Please help me.
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Remove radiator and fan assemblies for easier access. Disconnect battery, disconnect wiring from alternator, remove belt and two bolts ,upper and lower that hold alternator. Wiggle and pry alternator free. Be careful not to bump into a/c condenser.
Just did this over the weekend with my 2001 Nissan Altima. First, remove the negative battery cable to prevent shorting. Drain the radiator by removing the drain screw. To gain access to the water pump, I had to remove the upper radiator hose to the engine, unattach the reserve tank hose from the radiator and take out the reserve tank, remove the alternator and the lower alternator bracket because it blocks access to one of the water pump bolts and move the serpentine belt out of the way. This should give you free access to the six bolts that attach the water pump. You will probably have to hit the water pump with a rubber mallet or some other tool to break the sealant on the water pump, but it should then just come off. The hardest part of the job for me was removing the bolts for the alternator bracket because they were on extremely tight. Reinstall your new water pump after applying sealant to all parts that will attach to the bracket, and your ready to put it all back together. If you have the right tools, this should take probably 4 or 5 hours to complete.
The alternator is right on top of the 2.5L motor and held on by 2 14mm bolts. To remove the lower bolt (hard to reach), you must remove the coolant bottle and the IPDM fuse board and its metal box/bracket. A breaker bar really helped give enough torque to loosen the 2 bolts. Approach the drive belt from under the front passenger tire. There is a tension adjuster (hard to reach) bolt that loosens the belt and allows you to remove it from the alternator. If the belt is still good, (don't remove entirely) save time and try to keep the belt in a similar position. I am not an experienced mechanic and job took me about 3 hours & $200 for the alternator.
remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake housinng once you have remove all the above, your freaken engine will look naked, you can see the location of the knock sensor is locate in the engine valley
first things you have to do to change nissan altima 2.5 alternator? 1- disconnect battery 2-from the top of alternator there will be 3 thing u have to open one is with bolt 12 mm and second is with screw star. 3-turn the starting full right there will be small cover 2 plastic clip and one 10 mm bolt. 4-from the down take 12 mm and turn the pulley which is bellow alternator with press. 5- take belt out (note that u have to draw the map of belt be4 take it out. 6-and install alternator back again in same steps.
All the bolts that hold the alternator in place are lefty loosy, righty tighty. The desigh of those changed so I am not 100% sure how yours is bolted up. There are alternators, which have 3 bolts and there are 2 bolt alternators. One bolt ontop and other long one at the bottom, which runes from one side of alternator to the other. Note sure, which one you have, but there are NO BOLTS with reverse thread on your Nissan. All loosen up to the left and tighten to the right. Hope this helps.
The alternator is right on top of the 2.5L motor and held on by 2 14mm bolts. To remove the lower bolt (hard to reach), you must remove the coolant bottle and the IPDM fuse board and its metal box/bracket. A breaker bar really helped give enough torque to loosen the bolts. Approach the drive belt from under the front passenger tire. There is a tension adjuster (hard to reach) bolt that loosens the belt and allows you to remove it from the alternator.