There is no adjustment. If it does not provide the correct tension it needs to be replaced. It is cheap and easy to do yourself from underneath.
You can tighten a fan belt by tightening the tensioner pulley. Pry to the left on the tensioner pulley and tighten it.
bad tensioner, replace the belt tensioner/pulley. I had the same problem.
Loosen the tensioner pulley. Put the belt around the alternator pulley and the tensioner pulley. Move the tensioner pulley to the right until the belt is tight. 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 can change the serpentine belt on your Chevrolet trailblazer, by loosening the tensioner pulley. With the loosened tensioner pulley the belt will come off easily. Tighten the new belt with the tensioner pulley.
You will need to loosen the tensioner pulley. When the tensioner pulley is loose the air conditioning compressor belt will become loose. Put the new belt on and tighten the tensioner pulley.
The 1989 Toyota Corolla serpentine belt can be tightened or loosen with the tensioner pulley. Pry to the left on the tensioner pulley until the belt is tight. Tighten the tensioner pulley.
Install a new tensioner pulley. If a serpentine belt is loose then the spring in the tensioner pulley is probably weak or the tensioner pulley is hanging up on something. Have fun! Chris
Loosen the tensioner pulley on your 1988 Chevrolet Corsica. When the tensioner pulley is loose the serpentine belt will easily come off. Put the new serpentine belt on and tighten the tensioner pulley.
You will need to loosen the tensioner pulley. Put the alternator belt on. Push the tensioner pulley to the left until the alternator belt is tight. Tighten down the tensioner pulley.
You will need to loosen the alternator belt with the tensioner pulley. When the tensioner pulley is loose the alternator belt will become loose. Put the new alternator belt on and tighten the tensioner pulley.
Using a 14 mm wrench, loosen the bolt in the center of the tensioner pulley, then tighten the tensioner bolt with the same wrench. Then re-tighten the bolt in the center of the tensioner pulley when the belt is tightened to your liking.