We have been able to remove most of the bolts to remove the alternator. Can not get the third one to loosen up. Does it the bolt go to the left or to the right. We can't see to get it to move in either direction, but if we knew which way it shoudl go it would help. Thank you.
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Re: removing alternator from 01 nissan altima
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.
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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.
Look for a still- tight pivot bolt on the pump. Lots of parts have an adjustment bolt on the bottom and a pivot bolt on the top-or vice versa.
If the pivot bolt is too tight, the pump may not swing in all the way to remove belt. Check for any other bolt or nut that won't let it move freely to get the belt off. Maybe the smog pump can be adjusted in?
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.
Nissan Sentra/Pulsar/NX 1982-1996 Repair Guide The alternators for Pulsar and Sentra have not changed much over the
years. However, the 1987-88 alternators for Pulsar and Sentra have a
different internal diode assembly.
Disconnect the negative battery terminal.
Disconnect the 2 lead wires and connector from the alternator.
Loosen the drive belt adjusting bolt and remove the belt.
Unscrew the alternator attaching bolts and remove the alternator from the vehicle.
Install the alternator and retaining bolts loosely.
Install the belt and connect the wiring.
Adjust the belt as outlined in
. Torque the retaining bolts to 25 ft. lbs. (34 Nm).
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.