no the bolt on the pulley does not need to be loosen just put ur wrench or rachet on the bolt head and turn either way till the pulley moves
By loosening the tension on the alternator nut
replace tension put it on
because it's slipping. tension or replace.
First you need a breaker bar and 19mm socket to fit the "tension bolt". Turn tension bolt clockwise to release tension in order to remove the serpentine belt.
with a 9/16 socket and ratchet
To replace the tension pulley on a 1998 Oldsmobile Regency, start by disconnecting the negative battery terminal to ensure safety. Use a wrench to relieve tension on the serpentine belt by turning the tensioner pulley, then remove the belt from the tension pulley. Unscrew the mounting bolts securing the tension pulley and replace it with the new one. Finally, reinstall the serpentine belt and reconnect the battery terminal.
you do not adjust tension on a serpentine belt the tension is automatcally adjusted if the belt is loose, replace the belt SOME TIMES THE TENSIONER CAN BE WEEK ALSO.
What about this tensioner? How do you remove it, or how do you releave the tension so you can replace the belt?
Disconnect the battery.remove the serpentine belt.Unbolt the pulley.
LOOK! It is right there applying tension to the belt. If you can't find it, then you have no business attempting to replace it.
To replace the belt tensioner on a 300TE, first disconnect the negative battery terminal for safety. Next, remove the serpentine belt by loosening the tensioner pulley with a wrench or ratchet. Once the belt is off, unbolt the old tensioner from its mount and install the new one in its place, ensuring it is securely fastened. Finally, re-route the serpentine belt around the pulleys and reconnect the battery terminal.
To replace the alternator adjustment bracket on a 2003 Hyundai Accent, first disconnect the battery and remove the serpentine belt by loosening the tensioner. Then, unbolt the old adjustment bracket from the alternator and the engine block. Install the new bracket by securing it to the alternator and the engine, then reattach the serpentine belt and reconnect the battery. Finally, check the belt tension and ensure everything is properly aligned.