Make and model required for an answer.
With a self adjusting tensioner pulley, there is no adjustment for tension.
How do you change the supercharger belt tensioner in 1997 Pontiac Grand Prix GTP?
You have to unscrew the tensioner bolt and remove the serpentine belt first, then change the pulley and replace the belt.You have to unscrew the tensioner bolt and remove the serpentine belt first, then change the pulley and replace the belt.
To change the serpentine belt tensioner on a 2004 Pontiac Vibe, first, ensure the engine is off and cool. Use a socket wrench to relieve tension on the tensioner pulley, then remove the serpentine belt from the tensioner. Unbolt the old tensioner from its mount, replace it with the new tensioner, and reattach the serpentine belt following the correct routing. Finally, check the tensioner’s operation before starting the engine.
Where is the tensioner
We need to know the year, make, model and engine size of the vehicle then we need to know if you want to change the belt tensioner or the belt or both.
You can change the serpentine belt by loosening the tensioner pulley. When the tensioner pulley is loose and the serpentine belt will become loose. Put the new serpentine belt on and tighten the tensioner pulley.
Loosen the tensioner pulley. When the tensioner pulley is loose the belt will come off. Put the new belt on and tighten the tensioner pulley.
You have to remove the belt first, this is easiest with a tensioner tool. Then the nut that holds it to the bracket is on the backside of the tensioner and needs to be done from the bottom.
I have a 3.1L and there is just 1 screw that holds the tensioner in place.
the belt tensioner is mounted to the block if you are trying to change the tensioner tou have to remove the alternator.if you are trying to change the belt it is the pulley to the left of the alternator it takes a 15mm wrench which you have to pull upwards to release tension
remove the belt. then in center of the tensioner is a bolt that goes into engine. remove this bolt. then tensioner should come off.