alternator

25

Asked by Dec 09, 2007 at 10:29 PM about the 1997 Chevrolet Blazer

Question type: Maintenance & Repair

voltage drop at gague ....intermitent. Some have told me that it is the pulley on the alternator. Loosened belt on the pulley and turned by hand...felt a little grinding. Is there a way to know if I need I new alternor or just a repair kit (new bearing and belt).
Need to know free website for how to info on changing alternator and any mecanic work please.

Thanks in advance
Maude
moreau_maude@hotmail.com


2 Answers

bad alt,you can have it rebuilt only at napa or a starter alt rebuild shop.or get a new or rebuilt at auto store.to remove 2 bolts top and bottom.first unhook battery 2nd remove serpentine belt 3rd unplug,plug on top of alt look on back unhook wire.do reverce and reinstall rehook battery.

42,925

It's easier to replace the whole unit, and you should get a lifetime warranty at most auto parts stores on a rebuilt alternator. I've done bearings, etc., in alternators and it's hardly worth the time, plus if the bearing is starting to go, you might as well assume the other parts are starting to go bad as well. This could be your voltage drop.

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