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1

If there is a seperate fuse or relay for the compressor, then you could remove either. There should be an electrical connector near the compressor that could be unplugged, or you could cut the belt if there is nothing else driven by that belt.


2

Different year same engine. Your image Loosen the idler pulley nut. And per the posted image loosen the adjuster to remove the belt. You don't have to remove the AC compressor to R&R the alternator on the 1.8. You can remove the fan shroud to access the lower bolt on the alternator and pull the alternator through the top.


5

Try to get hold of a workshop manual; failing that, a Chiltons or Haynes manual for that car. I've just checked the Haynes, and it does show the Alternator replacement in some detail. A couple of major hints; firstly, you get much better access going in through the passenger wheel-well. Take the wheel off, and the plastic shield between the wheel-well and ...


4

Based off this diagram, the adjusting bolt is not present in the pictures you provided: It looks like your Sentra has air-conditioning, which means that your belt tensioning mechanism sits above the power steering pump (leftmost belt-driven component).


0

Yes the tensioner is to the left of the alternator - in the pictures above. Slightly loosen the main bolt on the tensioner - not too much. This will allow you to loosen the adjustment rod BEHIND the tensioner, which creates slack and loosens the belt. You should be able to see it - it will look like a threaded rod. Probably a good time to replace the belt ...



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