Does the air compressor on a 1997 Nissan Altima run on a separate belt than the water pump and alternator?
It has no air compressor. If you are talking about the A/C compressor, raise the hood and look see.
To install the alternator on a 1996 Nissan Maxima you will have to remove the drive belt first and then the A/C compressor. Do not remove the refrigerant lines because the compressor will only have move down about a few inches for you to get enough room to remove the alternator. The alternator will need to be taken out from the bottom.
In general, to replace an engine component when another is in the way, you have to remove or move the obstructing component. However, you do not want to disconnect the ac compressor. Unbolt it and move it a little bit. Depending on the vehicle, you should then be able to remove and replace the alternator. If the lines are not flexible, then you may need to disconnect it - in that case you need to…
well, this is what my mechanic told me when i had this problem (still have it) with my 1994 Nissan altima: the altima's alternator isn't working well. so, the battery isn't well supplied... Solution: replace the alternator immediately or dont drive the car until u do so less you make things worse. bajah