It will be the smooth pulley(s)-not ribbed.
The belt tensioner is self-adjusting.
You can do that by replacing the tensioner
slacken tensioner with a long wrench, then slip belt off. Replace opposite way. Takes about 15 minutes.
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.
The fan is electric, not belt driven. The serpentine belt is has a spring loaded tensioner. If the belt is loose, the tensioner has failed.
The serpentine belt tensioner is spring loaded. There is no adjustment.
Fit a new belt tensioner
You dont! The belt is self adjusting with the belt tensioner. Check the tensioner for failure or damage if your belt is loose good luck
push back on tensioner, then re move belt.
The belt tensioner is rotated clock wise with a 15 mm wrench or belt tool.
it should automaticly tighten when you release the tensioner pulley after putting the new belt on. if it does not tighten 1 of 2 things happened 1). you didnt run the belt the right way 2). tensioner assembly is faulted and needs to be replaced.
If it has a serpentine belt should be done by tensioner unless it is defective