my battery not charging light has come on the display, I had the alternator checked and it showed that it was right above the weak signal strength. Would I need the tension tool to take the serpentine belt off?How long should it take to change a alternator on a 2003 yukon xl, 5.3 liter engine?
Yes you need to release the tension, but a wrench will work.
That job can be done in 15 minutes or less if you know how.
