If it is a serpentine belt - adjusts automatically through belt tensioner If not check the alternator for adjuster or Power steering pump
Should have an automatic belt tensioner - if tension not correct replace tensioner
Your belt is probably stretched or the tensioner is weak. Try a new belt, or replacing the tensioner. If it is still loose get a 1/2 inch smaller belt.
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.
Sepentine-replace tensioner,v-belt, adjust accessory and tighten.
To tighten the fan belt on a Renault Master, a person needs to adjust the belt tension wheel. This wheel has a bolt that is inserted in a groove. The bolt can be loosened and then moved to the desired location to tighten the belt.
you dont adjust a tension pulley you adjust the position of the compressor to tighten the belt
Need to tighten the belt on john Deere 1538
To tighten the alternator best on a 240sx, loosen the bolt on the alternator on the drivers side. Pull on the alternator away from the engine to adjust the belt. When it has no more than a quarter inch of give, tighten the bolt to finish.
Weak tensioner?
These use an auto tensioner. The tensoiner (if in proper working condition), will adjust the belt by itself.
the belts need to be tighten at the certain point. Therefore,you need to find the belt tensioner to a adjust the loose belt. The reason is when the belt slips on the pulley, it will makes the sqeaky sound. Goodluck to locate the belt tensioner to adjust it.
There is a Tensioner Pulley that you have adjust in order to tighten the belt. There is another hex bolt that can be screwed in or out depending on how you want to tighten or losen the belts. Adjust it until prefered tension is reached.