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Take the belt off and spin the alternator by hand. If you hear a grinding noise, like sand rubbing on metal, its probably going bad. Also try to wiggle the pulley up/down/left/right. If it wiggles, the bearings are going bad. Of coarse you can always wait until they get so bad they shatter and the alternator wont spin at all, like i did. :(
What else can I help you with?
What causes a whistling noise on a 2006 Jeep Wrangler that goes away when the clutch is engaged?
Can be a throw out bearing in the clutch assembly going bad.
What are the signs that a water pump is going bad on a 1994 Jeep Wrangler?
usually when a water pump goes bad your bearing in the pulley on it will start sqealing or your car starts to overheat quite frequently
What type of gear oil goes in a 97 jeep wrangler?
75w90 or 80w90
What weight of gear oil goes in a 1989 Jeep Wrangler?
75w90 or 80w90
Will a 1989 wrangler top fit a 2002 jeep wrangler?
no it will not the cut off i believe is at a 1996 then it goes 97-03
Do you have a diagram of how the serpentine belt goes on a 2000 jeep wrangler 4.0 l?
yes
What type transmission fluid goes in a 1988 Jeep Wrangler?
Just checked the manual...Dexron II
What kind of antifreeze goes in a 2004 Jeep Wrangler rubicon?
Red, 5 year HOAT type.
What lube goes in the rear end 93 Jeep Wrangler?
80w90, if posi it requires friction additive.
What type of fluid goes in a 2000 jeep wrangler transfer case?
It uses automatic transmission fluid.
How do you fix your 1998 jeep wrangler steering wheel squeak?
Grease the rubber boot that goes around the steering shaft as it goes through the firewall.
Where does the brake fluid go in a 1997 Jeep Wrangler Sport?
It goes into the master cylinder on the far driver side of the firewall.
