2005 Nissan Sentra 1.8S, with AC.
There are 2 belts: the narrow one (power steering...), and the wide one (alternator...)
I was trying to release tension on the narrow belt first:
a) loosen the nut that fixes the adjuster;
b) loosen/tighten the adjuster.
When I tighten the adjuster, it does tighten the belt, but when I loosen the adjuster, it does not loosen the belt. It's just the adjuster that gets completely free of any tension, the pulley stay tighten so is the the belt.
Seems like the pulley is somehow fixed/stuck so the belt is tensioned regardless of the adjuster position. I also tried to loosen the central bolt that holds the pulley, but no luck - I can drive the entire engine with my hands, but the bolt stays tighten, tried both ways.
There is no way to get the wide belt off without taking off the narrow one.
How to replace the belts on this model?
2005 Nissan Sentra 1.8S
First of all you don't have to loosen the pulley,this will no solve the problem,well you already loosen the adjuster,good,bot thing you have not done i will tell you now,on the power steering pump where the belt pass there is also a bolt that hold it ,you must loosen that also,then after you will see the pump moving on the two position that means you will see the belt loosen on 1 position an d the position it will tight the belt,try that man.............
If the tensioner is loose then there must be slack at that point, unless you are loosening the tensioner for the wide belt and not the narrow. Usually the belt that is serpentine ihas the tensioner and any belts thereafter are tensioned by adjustnent i=of one of the componants becacause theyare too far from the engine blck. Ck the accessoriess sriven by the narrow belt for adjustability.Good luck
this is v6
or this one
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