You'll find an idler/tensioner pulley, which rides on an adjustable arm. First you have to loosen the locknut(14mm?) of the pulley , then tighten/loosen the adjuster rod (8mm?) to adjust the belt tension. Afterwards, tighten the locknut.
How do yu adjust idle in a nissan sentra
Loosen the alternator tensioner bolt. You will be able to slide the alternator either way to adjust the tension on the belt.
Tighten it up!!
How do you adjust timing chain on a 1990 sentra?
The alternator is rotated on it's pivot to adjust belt tension.
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I have no idea to bad huh PEaCE
Apply a wrench to the center bolt on the pully and turn it will adjust the tension.
If it is a serpentine belt, the tension is automatically adjusted by the tension idler. If the belt is loose then the tensioner needs replacing. If it is a normal drive belt, then the alternator is mounted on a slotted bracket that allows you to adjust the position of the alternator. You can loosen the bolts and adjust the tension on the belt.
If it is a drive belt and not a serpentine belt is has no tensioner. You manually adjust the tension by normally adjusting tension by moving the alternator. Loosen to bolts holding the alternator in place and then adjust the tension. Tighten the bolts when the tension is right. If it is serpentine belt if you follow the belt around the the engine you will see the tensioner.
Remove the valve cover. Tighten bolts next to rocker arms. done
Yes, it is used to adjust the tension on the A/C compressor. Looking into the engine compartment from the passenger side it is to the left of the alternator. To adjust tension you need to loosen the bolt which holds the pulley and then adjust the bolt which is directly above the pulley. Once you have proper tension tighten the pulley bolt.