open the hood-youll see the tension pully with the belt wraped around it and to the other pullies. youll need the right socket wrench to loosen the belt once accomplished-youll turn the nut on the pully to remove-go slowly and check the direction if correct. remove the tension pully insert the new one-put the screw back in=dont over tighten then place the belt back on-start your engine.
The tension pulley should have a bolt that holds it on, allowing you to replace the unit.
replace 1996 nissan 200sx se 1.6 tension pulley
Disconnect the battery.remove the serpentine belt.Unbolt the pulley.
Loosen bolt in tension pulley, then loosen tension bolt. Replace belt. Tighten tension bolt. Last, tighten bolt through pulley.
Replace the tensioner assembly as one piece.
Call the parts store. They will be able to tell you if the pulley is available separately or not.
There should be a "square" cut into the pulley bracket that fits either a 1/2 inch or 3/8 inch ratchet or breaker bar to allow you to remove tension from this pulley allowing you to replace the serpentine belt.
with a 9/16 socket and ratchet
replace the belt with a goodyear bet
Release the tension using a wrench etc from the idler pulley.
Yes. I have had to replace tensioners for this reason.
push the tensioner back with a 14mm, take off the belt, take off the pulley assembly